Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input layer updates from Dmitry Torokhov:
 "First set of updates for the input subsystem.  You will get a new
  touchscreen driver (Melfas mms114), a new keypad driver for LPC32xx
  SoC, large update to Atmel mXT touchscreen driver, a lot of drivers
  acquired device tree support and a slew of other fixes."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (57 commits)
  Input: add MELFAS mms114 touchscreen driver
  Input: add support for key scan interface of the LPC32xx SoC
  Input: omap4-keypad - add device tree support
  Input: hanwang - add support for Art Master II tablet
  Input: spear_keyboard - reconfigure operating frequency on suspend
  Input: spear_keyboard - fix clock handling during suspend/resume
  Input: ff-memless - fix a couple min_t() casts
  Input: synaptics - print firmware ID and board number at init
  Input: spear_keyboard - generalize keyboard frequency configuration
  Input: spear_keyboard - rename bit definitions to reflect register
  Input: spear_keyboard - use correct io accessors
  Input: spear-keyboard - fix disable device_init_wakeup in remove
  Input: wacom_i2c - fix compiler warning
  Input: imx_keypad - check error returned by clk_prepare_enable()
  Input: imx_keypad - adapt the new kpp clock name
  Input: imx_keypad - use clk_prepare_enable/clk_disable_unprepare()
  Input: ad7879 - add option to correct xy axis
  Input: synaptics_usb - Remove TrackPoint name trailing whitespace
  Revert "Input: atmel_mxt_ts - warn if sysfs could not be created"
  Input: MT - Include win8 support
  ...

Documentation/devicetree/bindings/input/lpc32xx-key.txt

+NXP LPC32xx Key Scan Interface
+
+Required Properties:
+- compatible: Should be "nxp,lpc3220-key"
+- reg: Physical base address of the controller and length of memory mapped
+  region.
+- interrupts: The interrupt number to the cpu.
+- keypad,num-rows: Number of rows and columns, e.g. 1: 1x1, 6: 6x6
+- keypad,num-columns: Must be equal to keypad,num-rows since LPC32xx only
+  supports square matrices
+- nxp,debounce-delay-ms: Debounce delay in ms
+- nxp,scan-delay-ms: Repeated scan period in ms
+- linux,keymap: the key-code to be reported when the key is pressed
+  and released, see also
+  Documentation/devicetree/bindings/input/matrix-keymap.txt
+
+Example:
+
+	key@40050000 {
+		compatible = "nxp,lpc3220-key";
+		reg = <0x40050000 0x1000>;
+		interrupts = <54 0>;
+		keypad,num-rows = <1>;
+		keypad,num-columns = <1>;
+		nxp,debounce-delay-ms = <3>;
+		nxp,scan-delay-ms = <34>;
+		linux,keymap = <0x00000002>;
+	};

Documentation/devicetree/bindings/input/omap-keypad.txt

+* TI's Keypad Controller device tree bindings
+
+TI's Keypad controller is used to interface a SoC with a matrix-type
+keypad device. The keypad controller supports multiple row and column lines.
+A key can be placed at each intersection of a unique row and a unique column.
+The keypad controller can sense a key-press and key-release and report the
+event using a interrupt to the cpu.
+
+Required SoC Specific Properties:
+- compatible: should be one of the following
+   - "ti,omap4-keypad": For controllers compatible with omap4 keypad
+      controller.
+
+Required Board Specific Properties, in addition to those specified by
+the shared matrix-keyboard bindings:
+- keypad,num-rows: Number of row lines connected to the keypad
+  controller.
+
+- keypad,num-columns: Number of column lines connected to the
+  keypad controller.
+
+Optional Properties specific to linux:
+- linux,keypad-no-autorepeat: do no enable autorepeat feature.
+
+Example:
+	keypad@4ae1c000{
+		compatible = "ti,omap4-keypad";
+		keypad,num-rows = <2>;
+		keypad,num-columns = <8>;
+		linux,keypad-no-autorepeat;
+	};

Documentation/devicetree/bindings/input/twl6040-vibra.txt

-Vibra driver for the twl6040 family
-
-The vibra driver is a child of the twl6040 MFD dirver.
-Documentation/devicetree/bindings/mfd/twl6040.txt
-
-Required properties:
-- compatible : Must be "ti,twl6040-vibra";
-- interrupts: 4, Vibra overcurrent interrupt
-- vddvibl-supply: Regulator supplying the left vibra motor
-- vddvibr-supply: Regulator supplying the right vibra motor
-- vibldrv_res: Board specific left driver resistance
-- vibrdrv_res: Board specific right driver resistance
-- viblmotor_res: Board specific left motor resistance
-- vibrmotor_res: Board specific right motor resistance
-
-Optional properties:
-- vddvibl_uV: If the vddvibl default voltage need to be changed
-- vddvibr_uV: If the vddvibr default voltage need to be changed
-
-Example:
-/*
- * 8-channel high quality low-power audio codec
- * http://www.ti.com/lit/ds/symlink/twl6040.pdf
- */
-twl6040: twl6040@4b {
-	...
-	twl6040_vibra: twl6040@1 {
-		compatible = "ti,twl6040-vibra";
-		interrupts = <4>;
-		vddvibl-supply = <&vbat>;
-		vddvibr-supply = <&vbat>;
-		vibldrv_res = <8>;
-		vibrdrv_res = <3>;
-		viblmotor_res = <10>;
-		vibrmotor_res = <10>;
-	};
-};

Documentation/input/multi-touch-protocol.txt

@@ -162,26 +162,48 @@ are divided into categories, to allow for partial implementation.  The
 minimum set consists of ABS_MT_POSITION_X and ABS_MT_POSITION_Y, which
 allows for multiple contacts to be tracked.  If the device supports it, the
 ABS_MT_TOUCH_MAJOR and ABS_MT_WIDTH_MAJOR may be used to provide the size
-of the contact area and approaching contact, respectively.
+of the contact area and approaching tool, respectively.
 
 The TOUCH and WIDTH parameters have a geometrical interpretation; imagine
 looking through a window at someone gently holding a finger against the
 glass.  You will see two regions, one inner region consisting of the part
 of the finger actually touching the glass, and one outer region formed by
-the perimeter of the finger. The diameter of the inner region is the
-ABS_MT_TOUCH_MAJOR, the diameter of the outer region is
-ABS_MT_WIDTH_MAJOR. Now imagine the person pressing the finger harder
-against the glass. The inner region will increase, and in general, the
-ratio ABS_MT_TOUCH_MAJOR / ABS_MT_WIDTH_MAJOR, which is always smaller than
-unity, is related to the contact pressure. For pressure-based devices,
+the perimeter of the finger. The center of the touching region (a) is
+ABS_MT_POSITION_X/Y and the center of the approaching finger (b) is
+ABS_MT_TOOL_X/Y. The touch diameter is ABS_MT_TOUCH_MAJOR and the finger
+diameter is ABS_MT_WIDTH_MAJOR. Now imagine the person pressing the finger
+harder against the glass. The touch region will increase, and in general,
+the ratio ABS_MT_TOUCH_MAJOR / ABS_MT_WIDTH_MAJOR, which is always smaller
+than unity, is related to the contact pressure. For pressure-based devices,
 ABS_MT_PRESSURE may be used to provide the pressure on the contact area
 instead. Devices capable of contact hovering can use ABS_MT_DISTANCE to
 indicate the distance between the contact and the surface.
 
-In addition to the MAJOR parameters, the oval shape of the contact can be
-described by adding the MINOR parameters, such that MAJOR and MINOR are the
-major and minor axis of an ellipse. Finally, the orientation of the oval
-shape can be describe with the ORIENTATION parameter.
+
+	  Linux MT                               Win8
+         __________                     _______________________
+        /          \                   |                       |
+       /            \                  |                       |
+      /     ____     \                 |                       |
+     /     /    \     \                |                       |
+     \     \  a  \     \               |       a               |
+      \     \____/      \              |                       |
+       \                 \             |                       |
+        \        b        \            |           b           |
+         \                 \           |                       |
+          \                 \          |                       |
+           \                 \         |                       |
+            \                /         |                       |
+             \              /          |                       |
+              \            /           |                       |
+               \__________/            |_______________________|
+
+
+In addition to the MAJOR parameters, the oval shape of the touch and finger
+regions can be described by adding the MINOR parameters, such that MAJOR
+and MINOR are the major and minor axis of an ellipse. The orientation of
+the touch ellipse can be described with the ORIENTATION parameter, and the
+direction of the finger ellipse is given by the vector (a - b).
 
 For type A devices, further specification of the touch shape is possible
 via ABS_MT_BLOB_ID.
@@ -224,7 +246,7 @@ tool. Omit if circular [4].
 The above four values can be used to derive additional information about
 the contact. The ratio ABS_MT_TOUCH_MAJOR / ABS_MT_WIDTH_MAJOR approximates
 the notion of pressure. The fingers of the hand and the palm all have
-different characteristic widths [1].
+different characteristic widths.
 
 ABS_MT_PRESSURE
 
@@ -240,17 +262,24 @@ the contact is hovering above the surface.
 
 ABS_MT_ORIENTATION
 
-The orientation of the ellipse. The value should describe a signed quarter
-of a revolution clockwise around the touch center. The signed value range
-is arbitrary, but zero should be returned for a finger aligned along the Y
-axis of the surface, a negative value when finger is turned to the left, and
-a positive value when finger turned to the right. When completely aligned with
-the X axis, the range max should be returned.  Orientation can be omitted
-if the touching object is circular, or if the information is not available
-in the kernel driver. Partial orientation support is possible if the device
-can distinguish between the two axis, but not (uniquely) any values in
-between. In such cases, the range of ABS_MT_ORIENTATION should be [0, 1]
-[4].
+The orientation of the touching ellipse. The value should describe a signed
+quarter of a revolution clockwise around the touch center. The signed value
+range is arbitrary, but zero should be returned for an ellipse aligned with
+the Y axis of the surface, a negative value when the ellipse is turned to
+the left, and a positive value when the ellipse is turned to the
+right. When completely aligned with the X axis, the range max should be
+returned.
+
+Touch ellipsis are symmetrical by default. For devices capable of true 360
+degree orientation, the reported orientation must exceed the range max to
+indicate more than a quarter of a revolution. For an upside-down finger,
+range max * 2 should be returned.
+
+Orientation can be omitted if the touch area is circular, or if the
+information is not available in the kernel driver. Partial orientation
+support is possible if the device can distinguish between the two axis, but
+not (uniquely) any values in between. In such cases, the range of
+ABS_MT_ORIENTATION should be [0, 1] [4].
 
 ABS_MT_POSITION_X
 
@@ -260,6 +289,23 @@ ABS_MT_POSITION_Y
 
 The surface Y coordinate of the center of the touching ellipse.
 
+ABS_MT_TOOL_X
+
+The surface X coordinate of the center of the approaching tool. Omit if
+the device cannot distinguish between the intended touch point and the
+tool itself.
+
+ABS_MT_TOOL_Y
+
+The surface Y coordinate of the center of the approaching tool. Omit if the
+device cannot distinguish between the intended touch point and the tool
+itself.
+
+The four position values can be used to separate the position of the touch
+from the position of the tool. If both positions are present, the major
+tool axis points towards the touch point [1]. Otherwise, the tool axes are
+aligned with the touch axes.
+
 ABS_MT_TOOL_TYPE
 
 The type of approaching tool. A lot of kernel drivers cannot distinguish
@@ -305,6 +351,28 @@ The range of ABS_MT_ORIENTATION should be set to [0, 1], to indicate that
 the device can distinguish between a finger along the Y axis (0) and a
 finger along the X axis (1).
 
+For win8 devices with both T and C coordinates, the position mapping is
+
+   ABS_MT_POSITION_X := T_X
+   ABS_MT_POSITION_Y := T_Y
+   ABS_MT_TOOL_X := C_X
+   ABS_MT_TOOL_X := C_Y
+
+Unfortunately, there is not enough information to specify both the touching
+ellipse and the tool ellipse, so one has to resort to approximations.  One
+simple scheme, which is compatible with earlier usage, is:
+
+   ABS_MT_TOUCH_MAJOR := min(X, Y)
+   ABS_MT_TOUCH_MINOR := <not used>
+   ABS_MT_ORIENTATION := <not used>
+   ABS_MT_WIDTH_MAJOR := min(X, Y) + distance(T, C)
+   ABS_MT_WIDTH_MINOR := min(X, Y)
+
+Rationale: We have no information about the orientation of the touching
+ellipse, so approximate it with an inscribed circle instead. The tool
+ellipse should align with the the vector (T - C), so the diameter must
+increase with distance(T, C). Finally, assume that the touch diameter is
+equal to the tool thickness, and we arrive at the formulas above.
 
 Finger Tracking
 ---------------
@@ -338,9 +406,7 @@ subsequent events of the same type refer to different fingers.
 For example usage of the type A protocol, see the bcm5974 driver. For
 example usage of the type B protocol, see the hid-egalax driver.
 
-[1] With the extension ABS_MT_APPROACH_X and ABS_MT_APPROACH_Y, the
-difference between the contact position and the approaching tool position
-could be used to derive tilt.
+[1] Also, the difference (TOOL_X - POSITION_X) can be used to model tilt.
 [2] The list can of course be extended.
 [3] The mtdev project: http://bitmath.org/code/mtdev/.
 [4] See the section on event computation.

arch/arm/plat-spear/include/plat/keyboard.h

@@ -149,6 +149,7 @@ int _name[] = { \
  * keymap: pointer to keymap data (table and size)
  * rep: enables key autorepeat
  * mode: choose keyboard support(9x9, 6x6, 2x2)
+ * suspended_rate: rate at which keyboard would operate in suspended mode
  *
  * This structure is supposed to be used by platform code to supply
  * keymaps to drivers that implement keyboards.
@@ -157,6 +158,7 @@ struct kbd_platform_data {
 	const struct matrix_keymap_data *keymap;
 	bool rep;
 	unsigned int mode;
+	unsigned int suspended_rate;
 };
 
 #endif /* __PLAT_KEYBOARD_H */

drivers/input/ff-memless.c

@@ -176,7 +176,7 @@ static int apply_envelope(struct ml_effect_state *state, int value,
 			 value, envelope->attack_level);
 		time_from_level = jiffies_to_msecs(now - state->play_at);
 		time_of_envelope = envelope->attack_length;
-		envelope_level = min_t(__s16, envelope->attack_level, 0x7fff);
+		envelope_level = min_t(u16, envelope->attack_level, 0x7fff);
 
 	} else if (envelope->fade_length && effect->replay.length &&
 		   time_after(now,
@@ -184,7 +184,7 @@ static int apply_envelope(struct ml_effect_state *state, int value,
 		   time_before(now, state->stop_at)) {
 		time_from_level = jiffies_to_msecs(state->stop_at - now);
 		time_of_envelope = envelope->fade_length;
-		envelope_level = min_t(__s16, envelope->fade_level, 0x7fff);
+		envelope_level = min_t(u16, envelope->fade_level, 0x7fff);
 	} else
 		return value;
 

drivers/input/input-mt.c

@@ -135,7 +135,7 @@ EXPORT_SYMBOL(input_mt_report_finger_count);
  */
 void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count)
 {
-	struct input_mt_slot *oldest = 0;
+	struct input_mt_slot *oldest = NULL;
 	int oldid = dev->trkid;
 	int count = 0;
 	int i;

drivers/input/keyboard/Kconfig

@@ -332,6 +332,16 @@ config KEYBOARD_LOCOMO
 	  To compile this driver as a module, choose M here: the
 	  module will be called locomokbd.
 
+config KEYBOARD_LPC32XX
+	tristate "LPC32XX matrix key scanner support"
+	depends on ARCH_LPC32XX && OF
+	help
+	  Say Y here if you want to use NXP LPC32XX SoC key scanner interface,
+	  connected to a key matrix.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called lpc32xx-keys.
+
 config KEYBOARD_MAPLE
 	tristate "Maple bus keyboard"
 	depends on SH_DREAMCAST && MAPLE

drivers/input/keyboard/Makefile

@@ -26,6 +26,7 @@ obj-$(CONFIG_KEYBOARD_LKKBD)		+= lkkbd.o
 obj-$(CONFIG_KEYBOARD_LM8323)		+= lm8323.o
 obj-$(CONFIG_KEYBOARD_LM8333)		+= lm8333.o
 obj-$(CONFIG_KEYBOARD_LOCOMO)		+= locomokbd.o
+obj-$(CONFIG_KEYBOARD_LPC32XX)		+= lpc32xx-keys.o
 obj-$(CONFIG_KEYBOARD_MAPLE)		+= maple_keyb.o
 obj-$(CONFIG_KEYBOARD_MATRIX)		+= matrix_keypad.o
 obj-$(CONFIG_KEYBOARD_MAX7359)		+= max7359_keypad.o

drivers/input/keyboard/gpio_keys.c

@@ -559,7 +559,6 @@ static int gpio_keys_get_devtree_pdata(struct device *dev,
 	pdata->rep = !!of_get_property(node, "autorepeat", NULL);
 
 	/* First count the subnodes */
-	pdata->nbuttons = 0;
 	pp = NULL;
 	while ((pp = of_get_next_child(node, pp)))
 		pdata->nbuttons++;

drivers/input/keyboard/imx_keypad.c

@@ -378,20 +378,24 @@ static void imx_keypad_close(struct input_dev *dev)
 	imx_keypad_inhibit(keypad);
 
 	/* Disable clock unit */
-	clk_disable(keypad->clk);
+	clk_disable_unprepare(keypad->clk);
 }
 
 static int imx_keypad_open(struct input_dev *dev)
 {
 	struct imx_keypad *keypad = input_get_drvdata(dev);
+	int error;
 
 	dev_dbg(&dev->dev, ">%s\n", __func__);
 
+	/* Enable the kpp clock */
+	error = clk_prepare_enable(keypad->clk);
+	if (error)
+		return error;
+
 	/* We became active from now */
 	keypad->enabled = true;
 
-	/* Enable the kpp clock */
-	clk_enable(keypad->clk);
 	imx_keypad_config(keypad);
 
 	/* Sanity control, not all the rows must be actived now. */
@@ -467,7 +471,7 @@ static int __devinit imx_keypad_probe(struct platform_device *pdev)
 		goto failed_free_priv;
 	}
 
-	keypad->clk = clk_get(&pdev->dev, "kpp");
+	keypad->clk = clk_get(&pdev->dev, NULL);
 	if (IS_ERR(keypad->clk)) {
 		dev_err(&pdev->dev, "failed to get keypad clock\n");
 		error = PTR_ERR(keypad->clk);
@@ -581,7 +585,7 @@ static int imx_kbd_suspend(struct device *dev)
 	mutex_lock(&input_dev->mutex);
 
 	if (input_dev->users)
-		clk_disable(kbd->clk);
+		clk_disable_unprepare(kbd->clk);
 
 	mutex_unlock(&input_dev->mutex);
 
@@ -596,18 +600,23 @@ static int imx_kbd_resume(struct device *dev)
 	struct platform_device *pdev = to_platform_device(dev);
 	struct imx_keypad *kbd = platform_get_drvdata(pdev);
 	struct input_dev *input_dev = kbd->input_dev;
+	int ret = 0;
 
 	if (device_may_wakeup(&pdev->dev))
 		disable_irq_wake(kbd->irq);
 
 	mutex_lock(&input_dev->mutex);
 
-	if (input_dev->users)
-		clk_enable(kbd->clk);
+	if (input_dev->users) {
+		ret = clk_prepare_enable(kbd->clk);
+		if (ret)
+			goto err_clk;
+	}
 
+err_clk:
 	mutex_unlock(&input_dev->mutex);
 
-	return 0;
+	return ret;
 }
 #endif
 

drivers/input/keyboard/nomadik-ske-keypad.c

@@ -49,6 +49,7 @@
 #define SKE_ASR3	0x2C
 
 #define SKE_NUM_ASRX_REGISTERS	(4)
+#define	KEY_PRESSED_DELAY	10
 
 /**
  * struct ske_keypad  - data structure used by keypad driver
@@ -92,7 +93,7 @@ static void ske_keypad_set_bits(struct ske_keypad *keypad, u16 addr,
 static int __init ske_keypad_chip_init(struct ske_keypad *keypad)
 {
 	u32 value;
-	int timeout = 50;
+	int timeout = keypad->board->debounce_ms;
 
 	/* check SKE_RIS to be 0 */
 	while ((readl(keypad->reg_base + SKE_RIS) != 0x00000000) && timeout--)
@@ -135,12 +136,37 @@ static int __init ske_keypad_chip_init(struct ske_keypad *keypad)
 	return 0;
 }
 
-static void ske_keypad_read_data(struct ske_keypad *keypad)
+static void ske_keypad_report(struct ske_keypad *keypad, u8 status, int col)
 {
+	int row = 0, code, pos;
 	struct input_dev *input = keypad->input;
-	u16 status;
-	int col = 0, row = 0, code;
-	int ske_asr, ske_ris, key_pressed, i;
+	u32 ske_ris;
+	int key_pressed;
+	int num_of_rows;
+
+	/* find out the row */
+	num_of_rows = hweight8(status);
+	do {
+		pos = __ffs(status);
+		row = pos;
+		status &= ~(1 << pos);
+
+		code = MATRIX_SCAN_CODE(row, col, SKE_KEYPAD_ROW_SHIFT);
+		ske_ris = readl(keypad->reg_base + SKE_RIS);
+		key_pressed = ske_ris & SKE_KPRISA;
+
+		input_event(input, EV_MSC, MSC_SCAN, code);
+		input_report_key(input, keypad->keymap[code], key_pressed);
+		input_sync(input);
+		num_of_rows--;
+	} while (num_of_rows);
+}
+
+static void ske_keypad_read_data(struct ske_keypad *keypad)
+{
+	u8 status;
+	int col = 0;
+	int ske_asr, i;
 
 	/*
 	 * Read the auto scan registers
@@ -154,44 +180,38 @@ static void ske_keypad_read_data(struct ske_keypad *keypad)
 		if (!ske_asr)
 			continue;
 
-		/* now that ASRx is zero, find out the column x and row y*/
-		if (ske_asr & 0xff) {
+		/* now that ASRx is zero, find out the coloumn x and row y */
+		status = ske_asr & 0xff;
+		if (status) {
 			col = i * 2;
-			status = ske_asr & 0xff;
-		} else {
+			ske_keypad_report(keypad, status, col);
+		}
+		status = (ske_asr & 0xff00) >> 8;
+		if (status) {
 			col = (i * 2) + 1;
-			status = (ske_asr & 0xff00) >> 8;
+			ske_keypad_report(keypad, status, col);
 		}
-
-		/* find out the row */
-		row = __ffs(status);
-
-		code = MATRIX_SCAN_CODE(row, col, SKE_KEYPAD_ROW_SHIFT);
-		ske_ris = readl(keypad->reg_base + SKE_RIS);
-		key_pressed = ske_ris & SKE_KPRISA;
-
-		input_event(input, EV_MSC, MSC_SCAN, code);
-		input_report_key(input, keypad->keymap[code], key_pressed);
-		input_sync(input);
 	}
 }
 
 static irqreturn_t ske_keypad_irq(int irq, void *dev_id)
 {
 	struct ske_keypad *keypad = dev_id;
-	int retries = 20;
+	int timeout = keypad->board->debounce_ms;
 
 	/* disable auto scan interrupt; mask the interrupt generated */
 	ske_keypad_set_bits(keypad, SKE_IMSC, ~SKE_KPIMA, 0x0);
 	ske_keypad_set_bits(keypad, SKE_ICR, 0x0, SKE_KPICA);
 
-	while ((readl(keypad->reg_base + SKE_CR) & SKE_KPASON) && --retries)
-		msleep(5);
+	while ((readl(keypad->reg_base + SKE_CR) & SKE_KPASON) && --timeout)
+		cpu_relax();
 
-	if (retries) {
-		/* SKEx registers are stable and can be read */
-		ske_keypad_read_data(keypad);
-	}
+	/* SKEx registers are stable and can be read */
+	ske_keypad_read_data(keypad);
+
+	/* wait until raw interrupt is clear */
+	while ((readl(keypad->reg_base + SKE_RIS)) && --timeout)
+		msleep(KEY_PRESSED_DELAY);
 
 	/* enable auto scan interrupts */
 	ske_keypad_set_bits(keypad, SKE_IMSC, 0x0, SKE_KPIMA);

drivers/input/keyboard/omap4-keypad.c

@@ -27,6 +27,7 @@
 #include <linux/platform_device.h>
 #include <linux/errno.h>
 #include <linux/io.h>
+#include <linux/of.h>
 #include <linux/input.h>
 #include <linux/slab.h>
 #include <linux/pm_runtime.h>
@@ -84,8 +85,9 @@ struct omap4_keypad {
 	u32 reg_offset;
 	u32 irqreg_offset;
 	unsigned int row_shift;
+	bool no_autorepeat;
 	unsigned char key_state[8];
-	unsigned short keymap[];
+	unsigned short *keymap;
 };
 
 static int kbd_readl(struct omap4_keypad *keypad_data, u32 offset)
@@ -208,25 +210,51 @@ static void omap4_keypad_close(struct input_dev *input)
 	pm_runtime_put_sync(input->dev.parent);
 }
 
+#ifdef CONFIG_OF
+static int __devinit omap4_keypad_parse_dt(struct device *dev,
+					   struct omap4_keypad *keypad_data)
+{
+	struct device_node *np = dev->of_node;
+
+	if (!np) {
+		dev_err(dev, "missing DT data");
+		return -EINVAL;
+	}
+
+	of_property_read_u32(np, "keypad,num-rows", &keypad_data->rows);
+	of_property_read_u32(np, "keypad,num-columns", &keypad_data->cols);
+	if (!keypad_data->rows || !keypad_data->cols) {
+		dev_err(dev, "number of keypad rows/columns not specified\n");
+		return -EINVAL;
+	}
+
+	if (of_get_property(np, "linux,input-no-autorepeat", NULL))
+		keypad_data->no_autorepeat = true;
+
+	return 0;
+}
+#else
+static inline int omap4_keypad_parse_dt(struct device *dev,
+					struct omap4_keypad *keypad_data)
+{
+	return -ENOSYS;
+}
+#endif
+
 static int __devinit omap4_keypad_probe(struct platform_device *pdev)
 {
-	const struct omap4_keypad_platform_data *pdata;
+	const struct omap4_keypad_platform_data *pdata =
+				dev_get_platdata(&pdev->dev);
+	const struct matrix_keymap_data *keymap_data =
+				pdata ? pdata->keymap_data : NULL;
 	struct omap4_keypad *keypad_data;
 	struct input_dev *input_dev;
 	struct resource *res;
-	resource_size_t size;
-	unsigned int row_shift, max_keys;
+	unsigned int max_keys;
 	int rev;
 	int irq;
 	int error;
 
-	/* platform data */
-	pdata = pdev->dev.platform_data;
-	if (!pdata) {
-		dev_err(&pdev->dev, "no platform data defined\n");
-		return -EINVAL;
-	}
-
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
 		dev_err(&pdev->dev, "no base address specified\n");
@@ -239,25 +267,24 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	if (!pdata->keymap_data) {
-		dev_err(&pdev->dev, "no keymap data defined\n");
-		return -EINVAL;
-	}
-
-	row_shift = get_count_order(pdata->cols);
-	max_keys = pdata->rows << row_shift;
-
-	keypad_data = kzalloc(sizeof(struct omap4_keypad) +
-				max_keys * sizeof(keypad_data->keymap[0]),
-			      GFP_KERNEL);
+	keypad_data = kzalloc(sizeof(struct omap4_keypad), GFP_KERNEL);
 	if (!keypad_data) {
 		dev_err(&pdev->dev, "keypad_data memory allocation failed\n");
 		return -ENOMEM;
 	}
 
-	size = resource_size(res);
+	keypad_data->irq = irq;
+
+	if (pdata) {
+		keypad_data->rows = pdata->rows;
+		keypad_data->cols = pdata->cols;
+	} else {
+		error = omap4_keypad_parse_dt(&pdev->dev, keypad_data);
+		if (error)
+			return error;
+	}
 
-	res = request_mem_region(res->start, size, pdev->name);
+	res = request_mem_region(res->start, resource_size(res), pdev->name);
 	if (!res) {
 		dev_err(&pdev->dev, "can't request mem region\n");
 		error = -EBUSY;
@@ -271,15 +298,11 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev)
 		goto err_release_mem;
 	}
 
-	keypad_data->irq = irq;
-	keypad_data->row_shift = row_shift;
-	keypad_data->rows = pdata->rows;
-	keypad_data->cols = pdata->cols;
 
 	/*
-	* Enable clocks for the keypad module so that we can read
-	* revision register.
-	*/
+	 * Enable clocks for the keypad module so that we can read
+	 * revision register.
+	 */
 	pm_runtime_enable(&pdev->dev);
 	error = pm_runtime_get_sync(&pdev->dev);
 	if (error) {
@@ -322,19 +345,30 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev)
 	input_dev->open = omap4_keypad_open;
 	input_dev->close = omap4_keypad_close;
 
-	error = matrix_keypad_build_keymap(pdata->keymap_data, NULL,
-					   pdata->rows, pdata->cols,
+	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+	if (!keypad_data->no_autorepeat)
+		__set_bit(EV_REP, input_dev->evbit);
+
+	input_set_drvdata(input_dev, keypad_data);
+
+	keypad_data->row_shift = get_count_order(keypad_data->cols);
+	max_keys = keypad_data->rows << keypad_data->row_shift;
+	keypad_data->keymap = kzalloc(max_keys * sizeof(keypad_data->keymap[0]),
+				      GFP_KERNEL);
+	if (!keypad_data->keymap) {
+		dev_err(&pdev->dev, "Not enough memory for keymap\n");
+		error = -ENOMEM;
+		goto err_free_input;
+	}
+
+	error = matrix_keypad_build_keymap(keymap_data, NULL,
+					   keypad_data->rows, keypad_data->cols,
 					   keypad_data->keymap, input_dev);
 	if (error) {
 		dev_err(&pdev->dev, "failed to build keymap\n");
-		goto err_free_input;
+		goto err_free_keymap;
 	}
 
-	__set_bit(EV_REP, input_dev->evbit);
-	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
-
-	input_set_drvdata(input_dev, keypad_data);
-
 	error = request_irq(keypad_data->irq, omap4_keypad_interrupt,
 			     IRQF_TRIGGER_RISING,
 			     "omap4-keypad", keypad_data);
@@ -357,6 +391,8 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev)
 err_pm_disable:
 	pm_runtime_disable(&pdev->dev);
 	free_irq(keypad_data->irq, keypad_data);
+err_free_keymap:
+	kfree(keypad_data->keymap);
 err_free_input:
 	input_free_device(input_dev);
 err_pm_put_sync:
@@ -364,7 +400,7 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev)
 err_unmap:
 	iounmap(keypad_data->base);
 err_release_mem:
-	release_mem_region(res->start, size);
+	release_mem_region(res->start, resource_size(res));
 err_free_keypad:
 	kfree(keypad_data);
 	return error;
@@ -386,18 +422,29 @@ static int __devexit omap4_keypad_remove(struct platform_device *pdev)
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	release_mem_region(res->start, resource_size(res));
 
+	kfree(keypad_data->keymap);
 	kfree(keypad_data);
+
 	platform_set_drvdata(pdev, NULL);
 
 	return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id omap_keypad_dt_match[] = {
+	{ .compatible = "ti,omap4-keypad" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, omap_keypad_dt_match);
+#endif
+
 static struct platform_driver omap4_keypad_driver = {
 	.probe		= omap4_keypad_probe,
 	.remove		= __devexit_p(omap4_keypad_remove),
 	.driver		= {
 		.name	= "omap4-keypad",
 		.owner	= THIS_MODULE,
+		.of_match_table = of_match_ptr(omap_keypad_dt_match),
 	},
 };
 module_platform_driver(omap4_keypad_driver);

drivers/input/keyboard/spear-keyboard.c

@@ -27,33 +27,31 @@
 #include <plat/keyboard.h>
 
 /* Keyboard Registers */
-#define MODE_REG	0x00	/* 16 bit reg */
-#define STATUS_REG	0x0C	/* 2 bit reg */
-#define DATA_REG	0x10	/* 8 bit reg */
+#define MODE_CTL_REG	0x00
+#define STATUS_REG	0x0C
+#define DATA_REG	0x10
 #define INTR_MASK	0x54
 
 /* Register Values */
-/*
- * pclk freq mask = (APB FEQ -1)= 82 MHZ.Programme bit 15-9 in mode
- * control register as 1010010(82MHZ)
- */
-#define PCLK_FREQ_MSK	0xA400	/* 82 MHz */
-#define START_SCAN	0x0100
-#define SCAN_RATE_10	0x0000
-#define SCAN_RATE_20	0x0004
-#define SCAN_RATE_40	0x0008
-#define SCAN_RATE_80	0x000C
-#define MODE_KEYBOARD	0x0002
-#define DATA_AVAIL	0x2
-
-#define KEY_MASK	0xFF000000
-#define KEY_VALUE	0x00FFFFFF
-#define ROW_MASK	0xF0
-#define COLUMN_MASK	0x0F
 #define NUM_ROWS	16
 #define NUM_COLS	16
+#define MODE_CTL_PCLK_FREQ_SHIFT	9
+#define MODE_CTL_PCLK_FREQ_MSK		0x7F
+
+#define MODE_CTL_KEYBOARD	(0x2 << 0)
+#define MODE_CTL_SCAN_RATE_10	(0x0 << 2)
+#define MODE_CTL_SCAN_RATE_20	(0x1 << 2)
+#define MODE_CTL_SCAN_RATE_40	(0x2 << 2)
+#define MODE_CTL_SCAN_RATE_80	(0x3 << 2)
+#define MODE_CTL_KEYNUM_SHIFT	6
+#define MODE_CTL_START_SCAN	(0x1 << 8)
 
-#define KEY_MATRIX_SHIFT	6
+#define STATUS_DATA_AVAIL	(0x1 << 1)
+
+#define DATA_ROW_MASK		0xF0
+#define DATA_COLUMN_MASK	0x0F
+
+#define ROW_SHIFT		4
 
 struct spear_kbd {
 	struct input_dev *input;
@@ -65,6 +63,8 @@ struct spear_kbd {
 	unsigned short last_key;
 	unsigned short keycodes[NUM_ROWS * NUM_COLS];
 	bool rep;
+	unsigned int suspended_rate;
+	u32 mode_ctl_reg;
 };
 
 static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id)
@@ -72,10 +72,10 @@ static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id)
 	struct spear_kbd *kbd = dev_id;
 	struct input_dev *input = kbd->input;
 	unsigned int key;
-	u8 sts, val;
+	u32 sts, val;
 
-	sts = readb(kbd->io_base + STATUS_REG);
-	if (!(sts & DATA_AVAIL))
+	sts = readl_relaxed(kbd->io_base + STATUS_REG);
+	if (!(sts & STATUS_DATA_AVAIL))
 		return IRQ_NONE;
 
 	if (kbd->last_key != KEY_RESERVED) {
@@ -84,7 +84,8 @@ static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id)
 	}
 
 	/* following reads active (row, col) pair */
-	val = readb(kbd->io_base + DATA_REG);
+	val = readl_relaxed(kbd->io_base + DATA_REG) &
+		(DATA_ROW_MASK | DATA_COLUMN_MASK);
 	key = kbd->keycodes[val];
 
 	input_event(input, EV_MSC, MSC_SCAN, val);
@@ -94,7 +95,7 @@ static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id)
 	kbd->last_key = key;
 
 	/* clear interrupt */
-	writeb(0, kbd->io_base + STATUS_REG);
+	writel_relaxed(0, kbd->io_base + STATUS_REG);
 
 	return IRQ_HANDLED;
 }
@@ -103,7 +104,7 @@ static int spear_kbd_open(struct input_dev *dev)
 {
 	struct spear_kbd *kbd = input_get_drvdata(dev);
 	int error;
-	u16 val;
+	u32 val;
 
 	kbd->last_key = KEY_RESERVED;
 
@@ -111,16 +112,20 @@ static int spear_kbd_open(struct input_dev *dev)
 	if (error)
 		return error;
 
+	/* keyboard rate to be programmed is input clock (in MHz) - 1 */
+	val = clk_get_rate(kbd->clk) / 1000000 - 1;
+	val = (val & MODE_CTL_PCLK_FREQ_MSK) << MODE_CTL_PCLK_FREQ_SHIFT;
+
 	/* program keyboard */
-	val = SCAN_RATE_80 | MODE_KEYBOARD | PCLK_FREQ_MSK |
-		(kbd->mode << KEY_MATRIX_SHIFT);
-	writew(val, kbd->io_base + MODE_REG);
-	writeb(1, kbd->io_base + STATUS_REG);
+	val = MODE_CTL_SCAN_RATE_80 | MODE_CTL_KEYBOARD | val |
+		(kbd->mode << MODE_CTL_KEYNUM_SHIFT);
+	writel_relaxed(val, kbd->io_base + MODE_CTL_REG);
+	writel_relaxed(1, kbd->io_base + STATUS_REG);
 
 	/* start key scan */
-	val = readw(kbd->io_base + MODE_REG);
-	val |= START_SCAN;
-	writew(val, kbd->io_base + MODE_REG);
+	val = readl_relaxed(kbd->io_base + MODE_CTL_REG);
+	val |= MODE_CTL_START_SCAN;
+	writel_relaxed(val, kbd->io_base + MODE_CTL_REG);
 
 	return 0;
 }
@@ -128,12 +133,12 @@ static int spear_kbd_open(struct input_dev *dev)
 static void spear_kbd_close(struct input_dev *dev)
 {
 	struct spear_kbd *kbd = input_get_drvdata(dev);
-	u16 val;
+	u32 val;
 
 	/* stop key scan */
-	val = readw(kbd->io_base + MODE_REG);
-	val &= ~START_SCAN;
-	writew(val, kbd->io_base + MODE_REG);
+	val = readl_relaxed(kbd->io_base + MODE_CTL_REG);
+	val &= ~MODE_CTL_START_SCAN;
+	writel_relaxed(val, kbd->io_base + MODE_CTL_REG);
 
 	clk_disable(kbd->clk);
 
@@ -146,7 +151,7 @@ static int __devinit spear_kbd_parse_dt(struct platform_device *pdev,
 {
 	struct device_node *np = pdev->dev.of_node;
 	int error;
-	u32 val;
+	u32 val, suspended_rate;
 
 	if (!np) {
 		dev_err(&pdev->dev, "Missing DT data\n");
@@ -156,6 +161,9 @@ static int __devinit spear_kbd_parse_dt(struct platform_device *pdev,
 	if (of_property_read_bool(np, "autorepeat"))
 		kbd->rep = true;
 
+	if (of_property_read_u32(np, "suspended_rate", &suspended_rate))
+		kbd->suspended_rate = suspended_rate;
+
 	error = of_property_read_u32(np, "st,mode", &val);
 	if (error) {
 		dev_err(&pdev->dev, "DT: Invalid or missing mode\n");
@@ -213,6 +221,7 @@ static int __devinit spear_kbd_probe(struct platform_device *pdev)
 	} else {
 		kbd->mode = pdata->mode;
 		kbd->rep = pdata->rep;
+		kbd->suspended_rate = pdata->suspended_rate;
 	}
 
 	kbd->res = request_mem_region(res->start, resource_size(res),
@@ -302,7 +311,7 @@ static int __devexit spear_kbd_remove(struct platform_device *pdev)
 	release_mem_region(kbd->res->start, resource_size(kbd->res));
 	kfree(kbd);
 
-	device_init_wakeup(&pdev->dev, 1);
+	device_init_wakeup(&pdev->dev, 0);
 	platform_set_drvdata(pdev, NULL);
 
 	return 0;
@@ -314,15 +323,48 @@ static int spear_kbd_suspend(struct device *dev)
 	struct platform_device *pdev = to_platform_device(dev);
 	struct spear_kbd *kbd = platform_get_drvdata(pdev);
 	struct input_dev *input_dev = kbd->input;
+	unsigned int rate = 0, mode_ctl_reg, val;
 
 	mutex_lock(&input_dev->mutex);
 
-	if (input_dev->users)
-		clk_enable(kbd->clk);
+	/* explicitly enable clock as we may program device */
+	clk_enable(kbd->clk);
 
-	if (device_may_wakeup(&pdev->dev))
+	mode_ctl_reg = readl_relaxed(kbd->io_base + MODE_CTL_REG);
+
+	if (device_may_wakeup(&pdev->dev)) {
 		enable_irq_wake(kbd->irq);
 
+		/*
+		 * reprogram the keyboard operating frequency as on some
+		 * platform it may change during system suspended
+		 */
+		if (kbd->suspended_rate)
+			rate = kbd->suspended_rate / 1000000 - 1;
+		else
+			rate = clk_get_rate(kbd->clk) / 1000000 - 1;
+
+		val = mode_ctl_reg &
+			~(MODE_CTL_PCLK_FREQ_MSK << MODE_CTL_PCLK_FREQ_SHIFT);
+		val |= (rate & MODE_CTL_PCLK_FREQ_MSK)
+			<< MODE_CTL_PCLK_FREQ_SHIFT;
+		writel_relaxed(val, kbd->io_base + MODE_CTL_REG);
+
+	} else {
+		if (input_dev->users) {
+			writel_relaxed(mode_ctl_reg & ~MODE_CTL_START_SCAN,
+					kbd->io_base + MODE_CTL_REG);
+			clk_disable(kbd->clk);
+		}
+	}
+
+	/* store current configuration */
+	if (input_dev->users)
+		kbd->mode_ctl_reg = mode_ctl_reg;
+
+	/* restore previous clk state */
+	clk_disable(kbd->clk);
+
 	mutex_unlock(&input_dev->mutex);
 
 	return 0;
@@ -336,11 +378,16 @@ static int spear_kbd_resume(struct device *dev)
 
 	mutex_lock(&input_dev->mutex);
 
-	if (device_may_wakeup(&pdev->dev))
+	if (device_may_wakeup(&pdev->dev)) {
 		disable_irq_wake(kbd->irq);
+	} else {
+		if (input_dev->users)
+			clk_enable(kbd->clk);
+	}
 
+	/* restore current configuration */
 	if (input_dev->users)
-		clk_enable(kbd->clk);
+		writel_relaxed(kbd->mode_ctl_reg, kbd->io_base + MODE_CTL_REG);
 
 	mutex_unlock(&input_dev->mutex);
 

drivers/input/misc/ab8500-ponkey.c

@@ -13,6 +13,7 @@
 #include <linux/input.h>
 #include <linux/interrupt.h>
 #include <linux/mfd/abx500/ab8500.h>
+#include <linux/of.h>
 #include <linux/slab.h>
 
 /**
@@ -131,10 +132,18 @@ static int __devexit ab8500_ponkey_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id ab8500_ponkey_match[] = {
+	{ .compatible = "stericsson,ab8500-ponkey", },
+	{}
+};
+#endif
+
 static struct platform_driver ab8500_ponkey_driver = {
 	.driver		= {
 		.name	= "ab8500-poweron-key",
 		.owner	= THIS_MODULE,
+		.of_match_table = of_match_ptr(ab8500_ponkey_match),
 	},
 	.probe		= ab8500_ponkey_probe,
 	.remove		= __devexit_p(ab8500_ponkey_remove),

drivers/input/misc/twl6040-vibra.c

@@ -251,7 +251,6 @@ static int twl6040_vibra_suspend(struct device *dev)
 
 	return 0;
 }
-
 #endif
 
 static SIMPLE_DEV_PM_OPS(twl6040_vibra_pm_ops, twl6040_vibra_suspend, NULL);
@@ -259,13 +258,19 @@ static SIMPLE_DEV_PM_OPS(twl6040_vibra_pm_ops, twl6040_vibra_suspend, NULL);
 static int __devinit twl6040_vibra_probe(struct platform_device *pdev)
 {
 	struct twl6040_vibra_data *pdata = pdev->dev.platform_data;
-	struct device_node *node = pdev->dev.of_node;
+	struct device *twl6040_core_dev = pdev->dev.parent;
+	struct device_node *twl6040_core_node = NULL;
 	struct vibra_info *info;
 	int vddvibl_uV = 0;
 	int vddvibr_uV = 0;
 	int ret;
 
-	if (!pdata && !node) {
+#ifdef CONFIG_OF
+	twl6040_core_node = of_find_node_by_name(twl6040_core_dev->of_node,
+						 "vibra");
+#endif
+
+	if (!pdata && !twl6040_core_node) {
 		dev_err(&pdev->dev, "platform_data not available\n");
 		return -EINVAL;
 	}
@@ -287,14 +292,18 @@ static int __devinit twl6040_vibra_probe(struct platform_device *pdev)
 		vddvibl_uV = pdata->vddvibl_uV;
 		vddvibr_uV = pdata->vddvibr_uV;
 	} else {
-		of_property_read_u32(node, "vibldrv_res", &info->vibldrv_res);
-		of_property_read_u32(node, "vibrdrv_res", &info->vibrdrv_res);
-		of_property_read_u32(node, "viblmotor_res",
+		of_property_read_u32(twl6040_core_node, "ti,vibldrv-res",
+				     &info->vibldrv_res);
+		of_property_read_u32(twl6040_core_node, "ti,vibrdrv-res",
+				     &info->vibrdrv_res);
+		of_property_read_u32(twl6040_core_node, "ti,viblmotor-res",
 				     &info->viblmotor_res);
-		of_property_read_u32(node, "vibrmotor_res",
+		of_property_read_u32(twl6040_core_node, "ti,vibrmotor-res",
 				     &info->vibrmotor_res);
-		of_property_read_u32(node, "vddvibl_uV", &vddvibl_uV);
-		of_property_read_u32(node, "vddvibr_uV", &vddvibr_uV);
+		of_property_read_u32(twl6040_core_node, "ti,vddvibl-uV",
+				     &vddvibl_uV);
+		of_property_read_u32(twl6040_core_node, "ti,vddvibr-uV",
+				     &vddvibr_uV);
 	}
 
 	if ((!info->vibldrv_res && !info->viblmotor_res) ||
@@ -351,8 +360,12 @@ static int __devinit twl6040_vibra_probe(struct platform_device *pdev)
 
 	info->supplies[0].supply = "vddvibl";
 	info->supplies[1].supply = "vddvibr";
-	ret = regulator_bulk_get(info->dev, ARRAY_SIZE(info->supplies),
-				 info->supplies);
+	/*
+	 * When booted with Device tree the regulators are attached to the
+	 * parent device (twl6040 MFD core)
+	 */
+	ret = regulator_bulk_get(pdata ? info->dev : twl6040_core_dev,
+				 ARRAY_SIZE(info->supplies), info->supplies);
 	if (ret) {
 		dev_err(info->dev, "couldn't get regulators %d\n", ret);
 		goto err_regulator;
@@ -418,12 +431,6 @@ static int __devexit twl6040_vibra_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static const struct of_device_id twl6040_vibra_of_match[] = {
-	{.compatible = "ti,twl6040-vibra", },
-	{ },
-};
-MODULE_DEVICE_TABLE(of, twl6040_vibra_of_match);
-
 static struct platform_driver twl6040_vibra_driver = {
 	.probe		= twl6040_vibra_probe,
 	.remove		= __devexit_p(twl6040_vibra_remove),
@@ -431,7 +438,6 @@ static struct platform_driver twl6040_vibra_driver = {
 		.name	= "twl6040-vibra",
 		.owner	= THIS_MODULE,
 		.pm	= &twl6040_vibra_pm_ops,
-		.of_match_table = twl6040_vibra_of_match,
 	},
 };
 module_platform_driver(twl6040_vibra_driver);

drivers/input/mouse/synaptics.c

@@ -138,6 +138,35 @@ static int synaptics_model_id(struct psmouse *psmouse)
 	return 0;
 }
 
+/*
+ * Read the board id from the touchpad
+ * The board id is encoded in the "QUERY MODES" response
+ */
+static int synaptics_board_id(struct psmouse *psmouse)
+{
+	struct synaptics_data *priv = psmouse->private;
+	unsigned char bid[3];
+
+	if (synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid))
+		return -1;
+	priv->board_id = ((bid[0] & 0xfc) << 6) | bid[1];
+	return 0;
+}
+
+/*
+ * Read the firmware id from the touchpad
+ */
+static int synaptics_firmware_id(struct psmouse *psmouse)
+{
+	struct synaptics_data *priv = psmouse->private;
+	unsigned char fwid[3];
+
+	if (synaptics_send_cmd(psmouse, SYN_QUE_FIRMWARE_ID, fwid))
+		return -1;
+	priv->firmware_id = (fwid[0] << 16) | (fwid[1] << 8) | fwid[2];
+	return 0;
+}
+
 /*
  * Read the capability-bits from the touchpad
  * see also the SYN_CAP_* macros
@@ -261,6 +290,10 @@ static int synaptics_query_hardware(struct psmouse *psmouse)
 		return -1;
 	if (synaptics_model_id(psmouse))
 		return -1;
+	if (synaptics_firmware_id(psmouse))
+		return -1;
+	if (synaptics_board_id(psmouse))
+		return -1;
 	if (synaptics_capability(psmouse))
 		return -1;
 	if (synaptics_resolution(psmouse))
@@ -1435,11 +1468,12 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode)
 	priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS;
 
 	psmouse_info(psmouse,
-		     "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx\n",
+		     "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n",
 		     SYN_ID_MODEL(priv->identity),
 		     SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity),
 		     priv->model_id,
-		     priv->capabilities, priv->ext_cap, priv->ext_cap_0c);
+		     priv->capabilities, priv->ext_cap, priv->ext_cap_0c,
+		     priv->board_id, priv->firmware_id);
 
 	set_input_params(psmouse->dev, priv);
 

drivers/input/mouse/synaptics.h

@@ -18,6 +18,7 @@
 #define SYN_QUE_SERIAL_NUMBER_SUFFIX	0x07
 #define SYN_QUE_RESOLUTION		0x08
 #define SYN_QUE_EXT_CAPAB		0x09
+#define SYN_QUE_FIRMWARE_ID		0x0a
 #define SYN_QUE_EXT_CAPAB_0C		0x0c
 #define SYN_QUE_EXT_MAX_COORDS		0x0d
 #define SYN_QUE_EXT_MIN_COORDS		0x0f
@@ -148,6 +149,8 @@ struct synaptics_hw_state {
 struct synaptics_data {
 	/* Data read from the touchpad */
 	unsigned long int model_id;		/* Model-ID */
+	unsigned long int firmware_id;		/* Firmware-ID */
+	unsigned long int board_id;		/* Board-ID */
 	unsigned long int capabilities;		/* Capabilities */
 	unsigned long int ext_cap;		/* Extended Capabilities */
 	unsigned long int ext_cap_0c;		/* Ext Caps from 0x0c query */

drivers/input/mouse/synaptics_usb.c

@@ -364,7 +364,7 @@ static int synusb_probe(struct usb_interface *intf,
 			 le16_to_cpu(udev->descriptor.idProduct));
 
 	if (synusb->flags & SYNUSB_STICK)
-		strlcat(synusb->name, " (Stick) ", sizeof(synusb->name));
+		strlcat(synusb->name, " (Stick)", sizeof(synusb->name));
 
 	usb_make_path(udev, synusb->phys, sizeof(synusb->phys));
 	strlcat(synusb->phys, "/input0", sizeof(synusb->phys));

drivers/input/tablet/hanwang.c

@@ -63,6 +63,7 @@ MODULE_LICENSE(DRIVER_LICENSE);
 enum hanwang_tablet_type {
 	HANWANG_ART_MASTER_III,
 	HANWANG_ART_MASTER_HD,
+	HANWANG_ART_MASTER_II,
 };
 
 struct hanwang {
@@ -99,6 +100,8 @@ static const struct hanwang_features features_array[] = {
 	  ART_MASTER_PKGLEN_MAX, 0x7f00, 0x4f60, 0x3f, 0x7f, 2048 },
 	{ 0x8401, "Hanwang Art Master HD 5012", HANWANG_ART_MASTER_HD,
 	  ART_MASTER_PKGLEN_MAX, 0x678e, 0x4150, 0x3f, 0x7f, 1024 },
+	{ 0x8503, "Hanwang Art Master II", HANWANG_ART_MASTER_II,
+	  ART_MASTER_PKGLEN_MAX, 0x27de, 0x1cfe, 0x3f, 0x7f, 1024 },
 };
 
 static const int hw_eventtypes[] = {
@@ -127,14 +130,30 @@ static void hanwang_parse_packet(struct hanwang *hanwang)
 	struct usb_device *dev = hanwang->usbdev;
 	enum hanwang_tablet_type type = hanwang->features->type;
 	int i;
-	u16 x, y, p;
+	u16 p;
+
+	if (type == HANWANG_ART_MASTER_II) {
+		hanwang->current_tool = BTN_TOOL_PEN;
+		hanwang->current_id = STYLUS_DEVICE_ID;
+	}
 
 	switch (data[0]) {
 	case 0x02:	/* data packet */
 		switch (data[1]) {
 		case 0x80:	/* tool prox out */
-			hanwang->current_id = 0;
-			input_report_key(input_dev, hanwang->current_tool, 0);
+			if (type != HANWANG_ART_MASTER_II) {
+				hanwang->current_id = 0;
+				input_report_key(input_dev,
+						 hanwang->current_tool, 0);
+			}
+			break;
+
+		case 0x00:	/* artmaster ii pen leave */
+			if (type == HANWANG_ART_MASTER_II) {
+				hanwang->current_id = 0;
+				input_report_key(input_dev,
+						 hanwang->current_tool, 0);
+			}
 			break;
 
 		case 0xc2:	/* first time tool prox in */
@@ -154,15 +173,12 @@ static void hanwang_parse_packet(struct hanwang *hanwang)
 			default:
 				hanwang->current_id = 0;
 				dev_dbg(&dev->dev,
-					"unknown tablet tool %02x ", data[0]);
+					"unknown tablet tool %02x\n", data[0]);
 				break;
 			}
 			break;
 
 		default:	/* tool data packet */
-			x = (data[2] << 8) | data[3];
-			y = (data[4] << 8) | data[5];
-
 			switch (type) {
 			case HANWANG_ART_MASTER_III:
 				p = (data[6] << 3) |
@@ -171,6 +187,7 @@ static void hanwang_parse_packet(struct hanwang *hanwang)
 				break;
 
 			case HANWANG_ART_MASTER_HD:
+			case HANWANG_ART_MASTER_II:
 				p = (data[7] >> 6) | (data[6] << 2);
 				break;
 
@@ -180,17 +197,23 @@ static void hanwang_parse_packet(struct hanwang *hanwang)
 			}
 
 			input_report_abs(input_dev, ABS_X,
-						le16_to_cpup((__le16 *)&x));
+					 be16_to_cpup((__be16 *)&data[2]));
 			input_report_abs(input_dev, ABS_Y,
-						le16_to_cpup((__le16 *)&y));
-			input_report_abs(input_dev, ABS_PRESSURE,
-						le16_to_cpup((__le16 *)&p));
+					 be16_to_cpup((__be16 *)&data[4]));
+			input_report_abs(input_dev, ABS_PRESSURE, p);
 			input_report_abs(input_dev, ABS_TILT_X, data[7] & 0x3f);
 			input_report_abs(input_dev, ABS_TILT_Y, data[8] & 0x7f);
 			input_report_key(input_dev, BTN_STYLUS, data[1] & 0x02);
-			input_report_key(input_dev, BTN_STYLUS2, data[1] & 0x04);
+
+			if (type != HANWANG_ART_MASTER_II)
+				input_report_key(input_dev, BTN_STYLUS2,
+						 data[1] & 0x04);
+			else
+				input_report_key(input_dev, BTN_TOOL_PEN, 1);
+
 			break;
 		}
+
 		input_report_abs(input_dev, ABS_MISC, hanwang->current_id);
 		input_event(input_dev, EV_MSC, MSC_SERIAL,
 				hanwang->features->pid);
@@ -202,8 +225,8 @@ static void hanwang_parse_packet(struct hanwang *hanwang)
 
 		switch (type) {
 		case HANWANG_ART_MASTER_III:
-			input_report_key(input_dev, BTN_TOOL_FINGER, data[1] ||
-							data[2] || data[3]);
+			input_report_key(input_dev, BTN_TOOL_FINGER,
+					 data[1] || data[2] || data[3]);
 			input_report_abs(input_dev, ABS_WHEEL, data[1]);
 			input_report_key(input_dev, BTN_0, data[2]);
 			for (i = 0; i < 8; i++)
@@ -227,6 +250,10 @@ static void hanwang_parse_packet(struct hanwang *hanwang)
 					 BTN_5 + i, data[6] & (1 << i));
 			}
 			break;
+
+		case HANWANG_ART_MASTER_II:
+			dev_dbg(&dev->dev, "error packet  %02x\n", data[0]);
+			return;
 		}
 
 		input_report_abs(input_dev, ABS_MISC, hanwang->current_id);
@@ -234,7 +261,7 @@ static void hanwang_parse_packet(struct hanwang *hanwang)
 		break;
 
 	default:
-		dev_dbg(&dev->dev, "error packet  %02x ", data[0]);
+		dev_dbg(&dev->dev, "error packet  %02x\n", data[0]);
 		break;
 	}
 

drivers/input/tablet/wacom_sys.c

@@ -445,8 +445,7 @@ static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_feat
 	/* ask to report Wacom data */
 	if (features->device_type == BTN_TOOL_FINGER) {
 		/* if it is an MT Tablet PC touch */
-		if (features->type == TABLETPC2FG ||
-		    features->type == MTSCREEN) {
+		if (features->type > TABLETPC) {
 			do {
 				rep_data[0] = 3;
 				rep_data[1] = 4;
@@ -465,7 +464,7 @@ static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_feat
 			} while ((error < 0 || rep_data[1] != 4) &&
 				 limit++ < WAC_MSG_RETRIES);
 		}
-	} else if (features->type != TABLETPC &&
+	} else if (features->type <= BAMBOO_PT &&
 		   features->type != WIRELESS &&
 		   features->device_type == BTN_TOOL_PEN) {
 		do {
@@ -509,16 +508,13 @@ static int wacom_retrieve_hid_descriptor(struct usb_interface *intf,
 		if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
 			features->device_type = 0;
 		} else if (intf->cur_altsetting->desc.bInterfaceNumber == 2) {
-			features->device_type = BTN_TOOL_DOUBLETAP;
+			features->device_type = BTN_TOOL_FINGER;
 			features->pktlen = WACOM_PKGLEN_BBTOUCH3;
 		}
 	}
 
 	/* only devices that support touch need to retrieve the info */
-	if (features->type != TABLETPC &&
-	    features->type != TABLETPC2FG &&
-	    features->type != BAMBOO_PT &&
-	    features->type != MTSCREEN) {
+	if (features->type < BAMBOO_PT) {
 		goto out;
 	}
 
@@ -860,6 +856,7 @@ static int wacom_initialize_leds(struct wacom *wacom)
 
 	/* Initialize default values */
 	switch (wacom->wacom_wac.features.type) {
+	case INTUOS4S:
 	case INTUOS4:
 	case INTUOS4L:
 		wacom->led.select[0] = 0;
@@ -913,6 +910,7 @@ static int wacom_initialize_leds(struct wacom *wacom)
 static void wacom_destroy_leds(struct wacom *wacom)
 {
 	switch (wacom->wacom_wac.features.type) {
+	case INTUOS4S:
 	case INTUOS4:
 	case INTUOS4L:
 		sysfs_remove_group(&wacom->intf->dev.kobj,
@@ -972,6 +970,10 @@ static int wacom_initialize_battery(struct wacom *wacom)
 
 		error = power_supply_register(&wacom->usbdev->dev,
 					      &wacom->battery);
+
+		if (!error)
+			power_supply_powers(&wacom->battery,
+					    &wacom->usbdev->dev);
 	}
 
 	return error;
@@ -979,8 +981,11 @@ static int wacom_initialize_battery(struct wacom *wacom)
 
 static void wacom_destroy_battery(struct wacom *wacom)
 {
-	if (wacom->wacom_wac.features.quirks & WACOM_QUIRK_MONITOR)
+	if (wacom->wacom_wac.features.quirks & WACOM_QUIRK_MONITOR &&
+	    wacom->battery.dev) {
 		power_supply_unregister(&wacom->battery);
+		wacom->battery.dev = NULL;
+	}
 }
 
 static int wacom_register_input(struct wacom *wacom)
@@ -1027,23 +1032,30 @@ static void wacom_wireless_work(struct work_struct *work)
 	struct wacom *wacom = container_of(work, struct wacom, work);
 	struct usb_device *usbdev = wacom->usbdev;
 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
+	struct wacom *wacom1, *wacom2;
+	struct wacom_wac *wacom_wac1, *wacom_wac2;
+	int error;
 
 	/*
 	 * Regardless if this is a disconnect or a new tablet,
-	 * remove any existing input devices.
+	 * remove any existing input and battery devices.
 	 */
 
+	wacom_destroy_battery(wacom);
+
 	/* Stylus interface */
-	wacom = usb_get_intfdata(usbdev->config->interface[1]);
-	if (wacom->wacom_wac.input)
-		input_unregister_device(wacom->wacom_wac.input);
-	wacom->wacom_wac.input = NULL;
+	wacom1 = usb_get_intfdata(usbdev->config->interface[1]);
+	wacom_wac1 = &(wacom1->wacom_wac);
+	if (wacom_wac1->input)
+		input_unregister_device(wacom_wac1->input);
+	wacom_wac1->input = NULL;
 
 	/* Touch interface */
-	wacom = usb_get_intfdata(usbdev->config->interface[2]);
-	if (wacom->wacom_wac.input)
-		input_unregister_device(wacom->wacom_wac.input);
-	wacom->wacom_wac.input = NULL;
+	wacom2 = usb_get_intfdata(usbdev->config->interface[2]);
+	wacom_wac2 = &(wacom2->wacom_wac);
+	if (wacom_wac2->input)
+		input_unregister_device(wacom_wac2->input);
+	wacom_wac2->input = NULL;
 
 	if (wacom_wac->pid == 0) {
 		dev_info(&wacom->intf->dev, "wireless tablet disconnected\n");
@@ -1068,24 +1080,39 @@ static void wacom_wireless_work(struct work_struct *work)
 		}
 
 		/* Stylus interface */
-		wacom = usb_get_intfdata(usbdev->config->interface[1]);
-		wacom_wac = &wacom->wacom_wac;
-		wacom_wac->features =
+		wacom_wac1->features =
 			*((struct wacom_features *)id->driver_info);
-		wacom_wac->features.device_type = BTN_TOOL_PEN;
-		wacom_register_input(wacom);
+		wacom_wac1->features.device_type = BTN_TOOL_PEN;
+		error = wacom_register_input(wacom1);
+		if (error)
+			goto fail1;
 
 		/* Touch interface */
-		wacom = usb_get_intfdata(usbdev->config->interface[2]);
-		wacom_wac = &wacom->wacom_wac;
-		wacom_wac->features =
+		wacom_wac2->features =
 			*((struct wacom_features *)id->driver_info);
-		wacom_wac->features.pktlen = WACOM_PKGLEN_BBTOUCH3;
-		wacom_wac->features.device_type = BTN_TOOL_FINGER;
-		wacom_set_phy_from_res(&wacom_wac->features);
-		wacom_wac->features.x_max = wacom_wac->features.y_max = 4096;
-		wacom_register_input(wacom);
+		wacom_wac2->features.pktlen = WACOM_PKGLEN_BBTOUCH3;
+		wacom_wac2->features.device_type = BTN_TOOL_FINGER;
+		wacom_set_phy_from_res(&wacom_wac2->features);
+		wacom_wac2->features.x_max = wacom_wac2->features.y_max = 4096;
+		error = wacom_register_input(wacom2);
+		if (error)
+			goto fail2;
+
+		error = wacom_initialize_battery(wacom);
+		if (error)
+			goto fail3;
 	}
+
+	return;
+
+fail3:
+	input_unregister_device(wacom_wac2->input);
+	wacom_wac2->input = NULL;
+fail2:
+	input_unregister_device(wacom_wac1->input);
+	wacom_wac1->input = NULL;
+fail1:
+	return;
 }
 
 static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
@@ -1149,10 +1176,7 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 			features->device_type = BTN_TOOL_FINGER;
 			features->pktlen = WACOM_PKGLEN_BBTOUCH3;
 
-			features->x_phy =
-				(features->x_max * 100) / features->x_resolution;
-			features->y_phy =
-				(features->y_max * 100) / features->y_resolution;
+			wacom_set_phy_from_res(features);
 
 			features->x_max = 4096;
 			features->y_max = 4096;
@@ -1188,14 +1212,10 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 	if (error)
 		goto fail4;
 
-	error = wacom_initialize_battery(wacom);
-	if (error)
-		goto fail5;
-
 	if (!(features->quirks & WACOM_QUIRK_NO_INPUT)) {
 		error = wacom_register_input(wacom);
 		if (error)
-			goto fail6;
+			goto fail5;
 	}
 
 	/* Note that if query fails it is not a hard failure */
@@ -1210,7 +1230,6 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 
 	return 0;
 
- fail6: wacom_destroy_battery(wacom);
  fail5: wacom_destroy_leds(wacom);
  fail4:	wacom_remove_shared_data(wacom_wac);
  fail3:	usb_free_urb(wacom->irq);

drivers/input/tablet/wacom_wac.c

@@ -248,7 +248,7 @@ static int wacom_graphire_irq(struct wacom_wac *wacom)
 		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
 		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
 		if (wacom->tool[0] != BTN_TOOL_MOUSE) {
-			input_report_abs(input, ABS_PRESSURE, data[6] | ((data[7] & 0x01) << 8));
+			input_report_abs(input, ABS_PRESSURE, data[6] | ((data[7] & 0x03) << 8));
 			input_report_key(input, BTN_TOUCH, data[1] & 0x01);
 			input_report_key(input, BTN_STYLUS, data[1] & 0x02);
 			input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
@@ -888,7 +888,7 @@ static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
 			prox = data[0] & 0x01;
 			x = get_unaligned_le16(&data[1]);
 			y = get_unaligned_le16(&data[3]);
-		} else { /* with capacity */
+		} else {
 			prox = data[1] & 0x01;
 			x = le16_to_cpup((__le16 *)&data[2]);
 			y = le16_to_cpup((__le16 *)&data[4]);
@@ -961,6 +961,7 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
 		case WACOM_REPORT_TPC1FG:
 		case WACOM_REPORT_TPCHID:
 		case WACOM_REPORT_TPCST:
+		case WACOM_REPORT_TPC1FGE:
 			return wacom_tpc_single_touch(wacom, len);
 
 		case WACOM_REPORT_TPCMT:
@@ -1244,6 +1245,7 @@ void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
 		break;
 
 	case TABLETPC:
+	case TABLETPCE:
 	case TABLETPC2FG:
 	case MTSCREEN:
 		sync = wacom_tpc_irq(wacom_wac, len);
@@ -1317,10 +1319,8 @@ void wacom_setup_device_quirks(struct wacom_features *features)
 	}
 
 	/* these device have multiple inputs */
-	if (features->type == TABLETPC || features->type == TABLETPC2FG ||
-	    features->type == BAMBOO_PT || features->type == WIRELESS ||
-	    (features->type >= INTUOS5S && features->type <= INTUOS5L) ||
-	    features->type == MTSCREEN)
+	if (features->type >= WIRELESS ||
+	    (features->type >= INTUOS5S && features->type <= INTUOS5L))
 		features->quirks |= WACOM_QUIRK_MULTI_INPUT;
 
 	/* quirk for bamboo touch with 2 low res touches */
@@ -1547,10 +1547,8 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
 		break;
 
-	case TABLETPC2FG:
 	case MTSCREEN:
 		if (features->device_type == BTN_TOOL_FINGER) {
-
 			wacom_wac->slots = kmalloc(features->touch_max *
 							sizeof(int),
 						   GFP_KERNEL);
@@ -1559,7 +1557,11 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
 
 			for (i = 0; i < features->touch_max; i++)
 				wacom_wac->slots[i] = -1;
+		}
+		/* fall through */
 
+	case TABLETPC2FG:
+		if (features->device_type == BTN_TOOL_FINGER) {
 			input_mt_init_slots(input_dev, features->touch_max);
 			input_set_abs_params(input_dev, ABS_MT_TOOL_TYPE,
 					0, MT_TOOL_MAX, 0, 0);
@@ -1571,6 +1573,7 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
 		/* fall through */
 
 	case TABLETPC:
+	case TABLETPCE:
 		__clear_bit(ABS_MISC, input_dev->absbit);
 
 		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
@@ -1888,6 +1891,12 @@ static const struct wacom_features wacom_features_0xE6 =
 static const struct wacom_features wacom_features_0xEC =
 	{ "Wacom ISDv4 EC",       WACOM_PKGLEN_GRAPHIRE,  25710, 14500,  255,
 	  0, TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0xED =
+	{ "Wacom ISDv4 ED",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
+	  0, TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0xEF =
+	{ "Wacom ISDv4 EF",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
+	  0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0x47 =
 	{ "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
 	  31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@@ -2062,6 +2071,8 @@ const struct usb_device_id wacom_ids[] = {
 	{ USB_DEVICE_WACOM(0xE5) },
 	{ USB_DEVICE_WACOM(0xE6) },
 	{ USB_DEVICE_WACOM(0xEC) },
+	{ USB_DEVICE_WACOM(0xED) },
+	{ USB_DEVICE_WACOM(0xEF) },
 	{ USB_DEVICE_WACOM(0x47) },
 	{ USB_DEVICE_WACOM(0xF4) },
 	{ USB_DEVICE_LENOVO(0x6004) },

drivers/input/tablet/wacom_wac.h

@@ -48,6 +48,7 @@
 #define WACOM_REPORT_TPCMT		13
 #define WACOM_REPORT_TPCHID		15
 #define WACOM_REPORT_TPCST		16
+#define WACOM_REPORT_TPC1FGE		18
 
 /* device quirks */
 #define WACOM_QUIRK_MULTI_INPUT		0x0001
@@ -62,8 +63,6 @@ enum {
 	PTU,
 	PL,
 	DTU,
-	BAMBOO_PT,
-	WIRELESS,
 	INTUOS,
 	INTUOS3S,
 	INTUOS3,
@@ -79,7 +78,10 @@ enum {
 	CINTIQ,
 	WACOM_BEE,
 	WACOM_MO,
-	TABLETPC,
+	WIRELESS,
+	BAMBOO_PT,
+	TABLETPC,   /* add new TPC below */
+	TABLETPCE,
 	TABLETPC2FG,
 	MTSCREEN,
 	MAX_TYPE

drivers/input/touchscreen/Kconfig

@@ -369,6 +369,18 @@ config TOUCHSCREEN_MCS5000
 	  To compile this driver as a module, choose M here: the
 	  module will be called mcs5000_ts.
 
+config TOUCHSCREEN_MMS114
+	tristate "MELFAS MMS114 touchscreen"
+	depends on I2C
+	help
+	  Say Y here if you have the MELFAS MMS114 touchscreen controller
+	  chip in your system.
+
+	  If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called mms114.
+
 config TOUCHSCREEN_MTOUCH
 	tristate "MicroTouch serial touchscreens"
 	select SERIO

drivers/input/touchscreen/Makefile

@@ -38,6 +38,7 @@ obj-$(CONFIG_TOUCHSCREEN_MAX11801)	+= max11801_ts.o
 obj-$(CONFIG_TOUCHSCREEN_MC13783)	+= mc13783_ts.o
 obj-$(CONFIG_TOUCHSCREEN_MCS5000)	+= mcs5000_ts.o
 obj-$(CONFIG_TOUCHSCREEN_MIGOR)		+= migor_ts.o
+obj-$(CONFIG_TOUCHSCREEN_MMS114)	+= mms114.o
 obj-$(CONFIG_TOUCHSCREEN_MTOUCH)	+= mtouch.o
 obj-$(CONFIG_TOUCHSCREEN_MK712)		+= mk712.o
 obj-$(CONFIG_TOUCHSCREEN_HP600)		+= hp680_ts_input.o

drivers/input/touchscreen/ad7879.c

@@ -118,6 +118,7 @@ struct ad7879 {
 	unsigned int		irq;
 	bool			disabled;	/* P: input->mutex */
 	bool			suspended;	/* P: input->mutex */
+	bool			swap_xy;
 	u16			conversion_data[AD7879_NR_SENSE];
 	char			phys[32];
 	u8			first_conversion_delay;
@@ -161,6 +162,9 @@ static int ad7879_report(struct ad7879 *ts)
 	z1 = ts->conversion_data[AD7879_SEQ_Z1] & MAX_12BIT;
 	z2 = ts->conversion_data[AD7879_SEQ_Z2] & MAX_12BIT;
 
+	if (ts->swap_xy)
+		swap(x, y);
+
 	/*
 	 * The samples processed here are already preprocessed by the AD7879.
 	 * The preprocessing function consists of a median and an averaging
@@ -520,6 +524,7 @@ struct ad7879 *ad7879_probe(struct device *dev, u8 devid, unsigned int irq,
 	ts->dev = dev;
 	ts->input = input_dev;
 	ts->irq = irq;
+	ts->swap_xy = pdata->swap_xy;
 
 	setup_timer(&ts->timer, ad7879_timer, (unsigned long) ts);
 

drivers/input/touchscreen/wacom_i2c.c

@@ -149,7 +149,7 @@ static int __devinit wacom_i2c_probe(struct i2c_client *client,
 {
 	struct wacom_i2c *wac_i2c;
 	struct input_dev *input;
-	struct wacom_features features;
+	struct wacom_features features = { 0 };
 	int error;
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {

include/linux/i2c/mms114.h

+/*
+ * Copyright (C) 2012 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundationr
+ */
+
+#ifndef __LINUX_MMS114_H
+#define __LINUX_MMS114_H
+
+struct mms114_platform_data {
+	unsigned int x_size;
+	unsigned int y_size;
+	unsigned int contact_threshold;
+	unsigned int moving_threshold;
+	bool x_invert;
+	bool y_invert;
+
+	void (*cfg_pin)(bool);
+};
+
+#endif	/* __LINUX_MMS114_H */

include/linux/input.h

@@ -807,18 +807,20 @@ struct input_keymap_entry {
 #define ABS_MT_WIDTH_MAJOR	0x32	/* Major axis of approaching ellipse */
 #define ABS_MT_WIDTH_MINOR	0x33	/* Minor axis (omit if circular) */
 #define ABS_MT_ORIENTATION	0x34	/* Ellipse orientation */
-#define ABS_MT_POSITION_X	0x35	/* Center X ellipse position */
-#define ABS_MT_POSITION_Y	0x36	/* Center Y ellipse position */
+#define ABS_MT_POSITION_X	0x35	/* Center X touch position */
+#define ABS_MT_POSITION_Y	0x36	/* Center Y touch position */
 #define ABS_MT_TOOL_TYPE	0x37	/* Type of touching device */
 #define ABS_MT_BLOB_ID		0x38	/* Group a set of packets as a blob */
 #define ABS_MT_TRACKING_ID	0x39	/* Unique ID of initiated contact */
 #define ABS_MT_PRESSURE		0x3a	/* Pressure on contact area */
 #define ABS_MT_DISTANCE		0x3b	/* Contact hover distance */
+#define ABS_MT_TOOL_X		0x3c	/* Center X tool position */
+#define ABS_MT_TOOL_Y		0x3d	/* Center Y tool position */
 
 #ifdef __KERNEL__
 /* Implementation details, userspace should not care about these */
 #define ABS_MT_FIRST		ABS_MT_TOUCH_MAJOR
-#define ABS_MT_LAST		ABS_MT_DISTANCE
+#define ABS_MT_LAST		ABS_MT_TOOL_Y
 #endif
 
 #define ABS_MAX			0x3f

include/linux/spi/ad7879.h

@@ -12,6 +12,8 @@ struct ad7879_platform_data {
 	u16	y_min, y_max;
 	u16	pressure_min, pressure_max;
 
+	bool	swap_xy;		/* swap x and y axes */
+
 	/* [0..255] 0=OFF Starts at 1=550us and goes
 	 * all the way to 9.440ms in steps of 35us.
 	 */