Merge branch 'for-linus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/hid

Pull HID updates from Jiri Kosina:

 - high resolution mode for Dell canvas support, from Benjamin Tissoires

 - pen handling fixes for the Wacom driver, from Jason Gerecke

 - i2c-hid: Apollo-Lake based laptops improvements, from Hans de Goede

 - Input/Core: eraser tool support, from Ping Cheng

 - new ALPS touchpad (T4, found currently on HP EliteBook 1000, Zbook
   Stduio and HP Elite book x360) supportm from Masaki Ota

 - other smaller assorted fixes

* 'for-linus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (33 commits)
  HID: cp2112: fix broken gpio_direction_input callback
  HID: cp2112: fix interface specification URL
  HID: Wacom: switch Dell canvas into highres mode
  HID: wacom: generic: Send BTN_STYLUS3 when both barrel switches are set
  HID: sony: Fix SHANWAN pad rumbling on USB
  HID: i2c-hid: Add no-irq-after-reset quirk for 0911:5288 device
  HID: add backlight level quirk for Asus ROG laptops
  HID: cp2112: add HIDRAW dependency
  HID: Add ID 044f:b605 ThrustMaster, Inc. force feedback Racing Wheel
  HID: hid-logitech: remove redundant assignment to pointer value
  HID: wacom: generic: Recognize WACOM_HID_WD_PEN as a type of pen collection
  HID: rmi: Check that a device is a RMI device before calling RMI functions
  HID: add multi-input quirk for GamepadBlock
  HID: alps: add new U1 device ID
  HID: alps: add support for Alps T4 Touchpad device
  HID: alps: remove variables local to u1_init() from the device struct
  HID: alps: properly handle max_fingers and minimum on X and Y axis
  HID: alps: Separate U1 device code
  HID: alps: delete unnecessary struct u1_dev devInfo
  HID: usbhid: Convert timers to use timer_setup()
  ...

drivers/hid/Kconfig

@@ -230,7 +230,7 @@ config HID_CMEDIA
 
 config HID_CP2112
 	tristate "Silicon Labs CP2112 HID USB-to-SMBus Bridge support"
-	depends on USB_HID && I2C && GPIOLIB
+	depends on USB_HID && HIDRAW && I2C && GPIOLIB
 	select GPIOLIB_IRQCHIP
 	---help---
 	Support for Silicon Labs CP2112 HID USB to SMBus Master Bridge.
@@ -750,11 +750,10 @@ config HID_PRIMAX
 	HID standard.
 
 config HID_RETRODE
-	tristate "Retrode"
+	tristate "Retrode 2 USB adapter for vintage video games"
 	depends on USB_HID
 	---help---
 	Support for
-
 	  * Retrode 2 cartridge and controller adapter
 
 config HID_ROCCAT

drivers/hid/hid-asus.c

@@ -67,6 +67,7 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
 #define QUIRK_USE_KBD_BACKLIGHT		BIT(5)
 #define QUIRK_T100_KEYBOARD		BIT(6)
 #define QUIRK_T100CHI			BIT(7)
+#define QUIRK_G752_KEYBOARD		BIT(8)
 
 #define I2C_KEYBOARD_QUIRKS			(QUIRK_FIX_NOTEBOOK_REPORT | \
 						 QUIRK_NO_INIT_REPORTS | \
@@ -670,6 +671,11 @@ static void asus_remove(struct hid_device *hdev)
 	hid_hw_stop(hdev);
 }
 
+static const __u8 asus_g752_fixed_rdesc[] = {
+        0x19, 0x00,			/*   Usage Minimum (0x00)       */
+        0x2A, 0xFF, 0x00,		/*   Usage Maximum (0xFF)       */
+};
+
 static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int *rsize)
 {
@@ -708,6 +714,27 @@ static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		rdesc[391] = 0xff;
 		rdesc[402] = 0x00;
 	}
+	if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
+		 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
+		/* report is missing usage mninum and maximum */
+		__u8 *new_rdesc;
+		size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
+
+		new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
+		if (new_rdesc == NULL)
+			return rdesc;
+
+		hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
+		/* copy the valid part */
+		memcpy(new_rdesc, rdesc, 61);
+		/* insert missing part */
+		memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
+		/* copy remaining data */
+		memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
+
+		*rsize = new_size;
+		rdesc = new_rdesc;
+	}
 
 	return rdesc;
 }
@@ -718,9 +745,11 @@ static const struct hid_device_id asus_devices[] = {
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
 		USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
-		USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) },
+		USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
 		USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+		USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
 		USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD),
 	  QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },

drivers/hid/hid-core.c

@@ -1662,7 +1662,7 @@ static struct bin_attribute dev_bin_attr_report_desc = {
 	.size = HID_MAX_DESCRIPTOR_SIZE,
 };
 
-static struct device_attribute dev_attr_country = {
+static const struct device_attribute dev_attr_country = {
 	.attr = { .name = "country", .mode = 0444 },
 	.show = show_country,
 };
@@ -1889,6 +1889,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
 #endif
 #if IS_ENABLED(CONFIG_HID_ALPS)
 	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
+	{ HID_I2C_DEVICE(USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
+	{ HID_I2C_DEVICE(USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1) },
+	{ HID_I2C_DEVICE(USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_T4_BTNLESS) },
 #endif
 #if IS_ENABLED(CONFIG_HID_APPLE)
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
@@ -1979,6 +1982,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
@@ -2329,6 +2333,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb605) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
@@ -3121,4 +3126,3 @@ MODULE_AUTHOR("Andreas Gal");
 MODULE_AUTHOR("Vojtech Pavlik");
 MODULE_AUTHOR("Jiri Kosina");
 MODULE_LICENSE("GPL");
-

drivers/hid/hid-cp2112.c

@@ -21,7 +21,7 @@
  * Data Sheet:
  *   http://www.silabs.com/Support%20Documents/TechnicalDocs/CP2112.pdf
  * Programming Interface Specification:
- *   http://www.silabs.com/Support%20Documents/TechnicalDocs/AN495.pdf
+ *   https://www.silabs.com/documents/public/application-notes/an495-cp2112-interface-specification.pdf
  */
 
 #include <linux/gpio.h>
@@ -196,6 +196,8 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 				 HID_REQ_GET_REPORT);
 	if (ret != CP2112_GPIO_CONFIG_LENGTH) {
 		hid_err(hdev, "error requesting GPIO config: %d\n", ret);
+		if (ret >= 0)
+			ret = -EIO;
 		goto exit;
 	}
 
@@ -205,8 +207,10 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 	ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
 				 CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
 				 HID_REQ_SET_REPORT);
-	if (ret < 0) {
+	if (ret != CP2112_GPIO_CONFIG_LENGTH) {
 		hid_err(hdev, "error setting GPIO config: %d\n", ret);
+		if (ret >= 0)
+			ret = -EIO;
 		goto exit;
 	}
 
@@ -214,7 +218,7 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 
 exit:
 	mutex_unlock(&dev->lock);
-	return ret < 0 ? ret : -EIO;
+	return ret;
 }
 
 static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value)

drivers/hid/hid-hyperv.c

@@ -313,7 +313,7 @@ static void mousevsc_on_receive(struct hv_device *device,
 
 		break;
 	default:
-		pr_err("unsupported hid msg type - type %d len %d",
+		pr_err("unsupported hid msg type - type %d len %d\n",
 		       hid_msg->header.type, hid_msg->header.size);
 		break;
 	}

drivers/hid/hid-ids.h

@@ -77,6 +77,9 @@
 #define HID_DEVICE_ID_ALPS_U1_DUAL	0x120B
 #define HID_DEVICE_ID_ALPS_U1_DUAL_PTP	0x121F
 #define HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP	0x1220
+#define HID_DEVICE_ID_ALPS_U1		0x1215
+#define HID_DEVICE_ID_ALPS_T4_BTNLESS	0x120C
+
 
 #define USB_VENDOR_ID_AMI		0x046b
 #define USB_DEVICE_ID_AMI_VIRT_KEYBOARD_AND_MOUSE	0xff10
@@ -182,6 +185,7 @@
 #define USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD	0x0101
 #define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1 0x1854
 #define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2 0x1837
+#define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3 0x1822
 
 #define USB_VENDOR_ID_ATEN		0x0557
 #define USB_DEVICE_ID_ATEN_UC100KM	0x2004
@@ -509,6 +513,9 @@
 #define USB_DEVICE_ID_GYRATION_REMOTE_2 0x0003
 #define USB_DEVICE_ID_GYRATION_REMOTE_3 0x0008
 
+#define I2C_VENDOR_ID_HANTICK		0x0911
+#define I2C_PRODUCT_ID_HANTICK_5288	0x5288
+
 #define USB_VENDOR_ID_HANWANG		0x0b57
 #define USB_DEVICE_ID_HANWANG_TABLET_FIRST	0x5000
 #define USB_DEVICE_ID_HANWANG_TABLET_LAST	0x8fff
@@ -729,6 +736,9 @@
 #define USB_DEVICE_ID_MCC_PMD1024LS	0x0076
 #define USB_DEVICE_ID_MCC_PMD1208LS	0x007a
 
+#define USB_VENDOR_ID_MCS		0x16d0
+#define USB_DEVICE_ID_MCS_GAMEPADBLOCK	0x0bcc
+
 #define USB_VENDOR_ID_MGE		0x0463
 #define USB_DEVICE_ID_MGE_UPS		0xffff
 #define USB_DEVICE_ID_MGE_UPS1		0x0001

drivers/hid/hid-input.c

@@ -797,6 +797,15 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 			map_key_clear(BTN_STYLUS);
 			break;
 
+		case 0x45: /* ERASER */
+			/*
+			 * This event is reported when eraser tip touches the surface.
+			 * Actual eraser (BTN_TOOL_RUBBER) is set by Invert usage when
+			 * tool gets in proximity.
+			 */
+			map_key_clear(BTN_TOUCH);
+			break;
+
 		case 0x46: /* TabletPick */
 		case 0x5a: /* SecondaryBarrelSwitch */
 			map_key_clear(BTN_STYLUS2);

drivers/hid/hid-lg.c

@@ -756,7 +756,9 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
 
 	/* Setup wireless link with Logitech Wii wheel */
 	if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
-		const unsigned char cbuf[] = { 0x00, 0xAF,  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+		static const unsigned char cbuf[] = {
+			0x00, 0xAF,  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+		};
 		u8 *buf = kmemdup(cbuf, sizeof(cbuf), GFP_KERNEL);
 
 		if (!buf) {

drivers/hid/hid-lg4ff.c

@@ -474,9 +474,7 @@ static int lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *effec
 static void lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitude)
 {
 	struct hid_device *hid = input_get_drvdata(dev);
-	struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
-	struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
-	s32 *value = report->field[0]->value;
+	s32 *value;
 	u32 expand_a, expand_b;
 	struct lg4ff_device_entry *entry;
 	struct lg_drv_data *drv_data;

drivers/hid/hid-multitouch.c

@@ -43,6 +43,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/input/mt.h>
+#include <linux/jiffies.h>
 #include <linux/string.h>
 #include <linux/timer.h>
 
@@ -112,6 +113,7 @@ struct mt_device {
 	struct mt_slot curdata;	/* placeholder of incoming data */
 	struct mt_class mtclass;	/* our mt device class */
 	struct timer_list release_timer;	/* to release sticky fingers */
+	struct hid_device *hdev;	/* hid_device we're attached to */
 	struct mt_fields *fields;	/* temporary placeholder for storing the
 					   multitouch fields */
 	unsigned long mt_io_flags;	/* mt flags (MT_IO_FLAGS_*) */
@@ -136,6 +138,9 @@ struct mt_device {
 	bool serial_maybe;	/* need to check for serial protocol */
 	bool curvalid;		/* is the current contact valid? */
 	unsigned mt_flags;	/* flags to pass to input-mt */
+	__s32 dev_time;		/* the scan time provided by the device */
+	unsigned long jiffies;	/* the frame's jiffies */
+	int timestamp;		/* the timestamp to be sent */
 };
 
 static void mt_post_parse_default_settings(struct mt_device *td);
@@ -177,6 +182,12 @@ static void mt_post_parse(struct mt_device *td);
 #define MT_DEFAULT_MAXCONTACT	10
 #define MT_MAX_MAXCONTACT	250
 
+/*
+ * Resync device and local timestamps after that many microseconds without
+ * receiving data.
+ */
+#define MAX_TIMESTAMP_INTERVAL	1000000
+
 #define MT_USB_DEVICE(v, p)	HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
 #define MT_BT_DEVICE(v, p)	HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
 
@@ -583,6 +594,12 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 				cls->sn_pressure);
 			mt_store_field(usage, td, hi);
 			return 1;
+		case HID_DG_SCANTIME:
+			hid_map_usage(hi, usage, bit, max,
+				EV_MSC, MSC_TIMESTAMP);
+			input_set_capability(hi->input, EV_MSC, MSC_TIMESTAMP);
+			mt_store_field(usage, td, hi);
+			return 1;
 		case HID_DG_CONTACTCOUNT:
 			/* Ignore if indexes are out of bounds. */
 			if (field->index >= field->report->maxfield ||
@@ -718,6 +735,7 @@ static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
 static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
 {
 	input_mt_sync_frame(input);
+	input_event(input, EV_MSC, MSC_TIMESTAMP, td->timestamp);
 	input_sync(input);
 	td->num_received = 0;
 	if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags))
@@ -727,6 +745,28 @@ static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
 	clear_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags);
 }
 
+static int mt_compute_timestamp(struct mt_device *td, struct hid_field *field,
+		__s32 value)
+{
+	long delta = value - td->dev_time;
+	unsigned long jdelta = jiffies_to_usecs(jiffies - td->jiffies);
+
+	td->jiffies = jiffies;
+	td->dev_time = value;
+
+	if (delta < 0)
+		delta += field->logical_maximum;
+
+	/* HID_DG_SCANTIME is expressed in 100us, we want it in us. */
+	delta *= 100;
+
+	if (jdelta > MAX_TIMESTAMP_INTERVAL)
+		/* No data received for a while, resync the timestamp. */
+		return 0;
+	else
+		return td->timestamp + delta;
+}
+
 static int mt_touch_event(struct hid_device *hid, struct hid_field *field,
 				struct hid_usage *usage, __s32 value)
 {
@@ -787,6 +827,9 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
 		case HID_DG_HEIGHT:
 			td->curdata.h = value;
 			break;
+		case HID_DG_SCANTIME:
+			td->timestamp = mt_compute_timestamp(td, field, value);
+			break;
 		case HID_DG_CONTACTCOUNT:
 			break;
 		case HID_DG_TOUCH:
@@ -1246,10 +1289,10 @@ static void mt_release_contacts(struct hid_device *hid)
 	td->num_received = 0;
 }
 
-static void mt_expired_timeout(unsigned long arg)
+static void mt_expired_timeout(struct timer_list *t)
 {
-	struct hid_device *hdev = (void *)arg;
-	struct mt_device *td = hid_get_drvdata(hdev);
+	struct mt_device *td = from_timer(td, t, release_timer);
+	struct hid_device *hdev = td->hdev;
 
 	/*
 	 * An input report came in just before we release the sticky fingers,
@@ -1280,6 +1323,7 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
 		dev_err(&hdev->dev, "cannot allocate multitouch data\n");
 		return -ENOMEM;
 	}
+	td->hdev = hdev;
 	td->mtclass = *mtclass;
 	td->inputmode = -1;
 	td->maxcontact_report_id = -1;
@@ -1331,7 +1375,7 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	 */
 	hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
 
-	setup_timer(&td->release_timer, mt_expired_timeout, (long)hdev);
+	timer_setup(&td->release_timer, mt_expired_timeout, 0);
 
 	ret = hid_parse(hdev);
 	if (ret != 0)

drivers/hid/hid-rmi.c

@@ -368,6 +368,11 @@ static int rmi_check_sanity(struct hid_device *hdev, u8 *data, int size)
 static int rmi_raw_event(struct hid_device *hdev,
 		struct hid_report *report, u8 *data, int size)
 {
+	struct rmi_data *hdata = hid_get_drvdata(hdev);
+
+	if (!(hdata->device_flags & RMI_DEVICE))
+		return 0;
+
 	size = rmi_check_sanity(hdev, data, size);
 	if (size < 2)
 		return 0;
@@ -713,9 +718,11 @@ static void rmi_remove(struct hid_device *hdev)
 {
 	struct rmi_data *hdata = hid_get_drvdata(hdev);
 
+	if (hdata->device_flags & RMI_DEVICE) {
 		clear_bit(RMI_STARTED, &hdata->flags);
 		cancel_work_sync(&hdata->reset_work);
 		rmi_unregister_transport_device(&hdata->xport);
+	}
 
 	hid_hw_stop(hdev);
 }

drivers/hid/hid-sony.c

@@ -1439,11 +1439,17 @@ static int sixaxis_set_operational_usb(struct hid_device *hdev)
 		goto out;
 	}
 
+	/*
+	 * But the USB interrupt would cause SHANWAN controllers to
+	 * start rumbling non-stop.
+	 */
+	if (strcmp(hdev->name, "SHANWAN PS3 GamePad")) {
 		ret = hid_hw_output_report(hdev, buf, 1);
 		if (ret < 0) {
 			hid_info(hdev, "can't set operational mode: step 3, ignoring\n");
 			ret = 0;
 		}
+	}
 
 out:
 	kfree(buf);

drivers/hid/hid-tmff.c

@@ -242,6 +242,8 @@ static const struct hid_device_id tm_devices[] = {
 		.driver_data = (unsigned long)ff_rumble },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324),   /* Dual Trigger 3-in-1 (PS3 Mode) */
 		.driver_data = (unsigned long)ff_rumble },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb605),   /* NASCAR PRO FF2 Wheel */
+		.driver_data = (unsigned long)ff_joystick },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651),	/* FGT Rumble Force Wheel */
 		.driver_data = (unsigned long)ff_rumble },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653),	/* RGT Force Feedback CLUTCH Raging Wheel */

drivers/hid/i2c-hid/i2c-hid.c

@@ -46,6 +46,7 @@
 
 /* quirks to control the device */
 #define I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV	BIT(0)
+#define I2C_HID_QUIRK_NO_IRQ_AFTER_RESET	BIT(1)
 
 /* flags */
 #define I2C_HID_STARTED		0
@@ -168,6 +169,8 @@ static const struct i2c_hid_quirks {
 		I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV },
 	{ USB_VENDOR_ID_WEIDA, USB_DEVICE_ID_WEIDA_8755,
 		I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV },
+	{ I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288,
+		I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
 	{ 0, 0 }
 };
 
@@ -252,7 +255,9 @@ static int __i2c_hid_command(struct i2c_client *client,
 
 	ret = 0;
 
-	if (wait) {
+	if (wait && (ihid->quirks & I2C_HID_QUIRK_NO_IRQ_AFTER_RESET)) {
+		msleep(100);
+	} else if (wait) {
 		i2c_hid_dbg(ihid, "%s: waiting...\n", __func__);
 		if (!wait_event_timeout(ihid->wait,
 				!test_bit(I2C_HID_RESET_PENDING, &ihid->flags),

drivers/hid/usbhid/hid-core.c

@@ -101,10 +101,10 @@ static int hid_start_in(struct hid_device *hid)
 }
 
 /* I/O retry timer routine */
-static void hid_retry_timeout(unsigned long _hid)
+static void hid_retry_timeout(struct timer_list *t)
 {
-	struct hid_device *hid = (struct hid_device *) _hid;
-	struct usbhid_device *usbhid = hid->driver_data;
+	struct usbhid_device *usbhid = from_timer(usbhid, t, io_retry);
+	struct hid_device *hid = usbhid->hid;
 
 	dev_dbg(&usbhid->intf->dev, "retrying intr urb\n");
 	if (hid_start_in(hid))
@@ -1373,7 +1373,7 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
 
 	init_waitqueue_head(&usbhid->wait);
 	INIT_WORK(&usbhid->reset_work, hid_reset);
-	setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
+	timer_setup(&usbhid->io_retry, hid_retry_timeout, 0);
 	spin_lock_init(&usbhid->lock);
 
 	ret = hid_add_device(hid);

drivers/hid/usbhid/hid-quirks.c

@@ -170,6 +170,7 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_DRACAL_RAPHNET, USB_DEVICE_ID_RAPHNET_2NES2SNES, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_DRACAL_RAPHNET, USB_DEVICE_ID_RAPHNET_4NES4SNES, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_INNOMEDIA, USB_DEVICE_ID_INNEX_GENESIS_ATARI, HID_QUIRK_MULTI_INPUT },
+	{ USB_VENDOR_ID_MCS, USB_DEVICE_ID_MCS_GAMEPADBLOCK, HID_QUIRK_MULTI_INPUT },
 
 	{ 0, 0 }
 };

drivers/hid/wacom_sys.c

@@ -196,6 +196,13 @@ static void wacom_feature_mapping(struct hid_device *hdev,
 		kfree(data);
 		break;
 	}
+
+	if (hdev->vendor == USB_VENDOR_ID_WACOM &&
+	    hdev->product == 0x4200 /* Dell Canvas 27 */ &&
+	    field->application == HID_UP_MSVENDOR) {
+		wacom->wacom_wac.mode_report = field->report->id;
+		wacom->wacom_wac.mode_value = 2;
+	}
 }
 
 /*

drivers/hid/wacom_wac.c

@@ -2140,6 +2140,12 @@ static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field
 	case HID_DG_TIPSWITCH:
 		wacom_wac->hid_data.tipswitch |= value;
 		return;
+	case HID_DG_BARRELSWITCH:
+		wacom_wac->hid_data.barrelswitch = value;
+		return;
+	case HID_DG_BARRELSWITCH2:
+		wacom_wac->hid_data.barrelswitch2 = value;
+		return;
 	case HID_DG_TOOLSERIALNUMBER:
 		if (value) {
 			wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
@@ -2217,11 +2223,11 @@ static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field
 	if (!usage->type || delay_pen_events(wacom_wac))
 		return;
 
-	/* send pen events only when the pen is in/entering/leaving proximity */
-	if (!wacom_wac->hid_data.inrange_state && !wacom_wac->tool[0])
-		return;
-
+	/* send pen events only when the pen is in range */
+	if (wacom_wac->hid_data.inrange_state)
 		input_event(input, usage->type, usage->code, value);
+	else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
+		input_event(input, usage->type, usage->code, 0);
 }
 
 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
@@ -2236,11 +2242,11 @@ static void wacom_wac_pen_report(struct hid_device *hdev,
 	struct wacom *wacom = hid_get_drvdata(hdev);
 	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
 	struct input_dev *input = wacom_wac->pen_input;
-	bool prox = wacom_wac->hid_data.inrange_state;
-	bool range = wacom_wac->hid_data.sense_state;
+	bool range = wacom_wac->hid_data.inrange_state;
+	bool sense = wacom_wac->hid_data.sense_state;
 
-	if (!wacom_wac->tool[0] && prox) { /* first in prox */
-		/* Going into proximity select tool */
+	if (!wacom_wac->tool[0] && range) { /* first in range */
+		/* Going into range select tool */
 		if (wacom_wac->hid_data.invert_state)
 			wacom_wac->tool[0] = BTN_TOOL_RUBBER;
 		else if (wacom_wac->id[0])
@@ -2250,10 +2256,16 @@ static void wacom_wac_pen_report(struct hid_device *hdev,
 	}
 
 	/* keep pen state for touch events */
-	wacom_wac->shared->stylus_in_proximity = range;
+	wacom_wac->shared->stylus_in_proximity = sense;
 
 	if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
 		int id = wacom_wac->id[0];
+		int sw_state = wacom_wac->hid_data.barrelswitch |
+			       (wacom_wac->hid_data.barrelswitch2 << 1);
+
+		input_report_key(input, BTN_STYLUS, sw_state == 1);
+		input_report_key(input, BTN_STYLUS2, sw_state == 2);
+		input_report_key(input, BTN_STYLUS3, sw_state == 3);
 
 		/*
 		 * Non-USI EMR tools should have their IDs mangled to
@@ -2269,10 +2281,10 @@ static void wacom_wac_pen_report(struct hid_device *hdev,
 		 */
 		input_report_key(input, BTN_TOUCH,
 				wacom_wac->hid_data.tipswitch);
-		input_report_key(input, wacom_wac->tool[0], prox);
+		input_report_key(input, wacom_wac->tool[0], sense);
 		if (wacom_wac->serial[0]) {
 			input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
-			input_report_abs(input, ABS_MISC, prox ? id : 0);
+			input_report_abs(input, ABS_MISC, sense ? id : 0);
 		}
 
 		wacom_wac->hid_data.tipswitch = false;
@@ -2280,7 +2292,7 @@ static void wacom_wac_pen_report(struct hid_device *hdev,
 		input_sync(input);
 	}
 
-	if (!prox) {
+	if (!sense) {
 		wacom_wac->tool[0] = 0;
 		wacom_wac->id[0] = 0;
 		wacom_wac->serial[0] = 0;
@@ -3300,9 +3312,11 @@ int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
 	else
 		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
 
-	if (features->type == HID_GENERIC)
-		/* setup has already been done */
+	if (features->type == HID_GENERIC) {
+		/* setup has already been done; apply otherwise-undetectible quirks */
+		input_set_capability(input_dev, EV_KEY, BTN_STYLUS3);
 		return 0;
+	}
 
 	__set_bit(BTN_TOUCH, input_dev->keybit);
 	__set_bit(ABS_MISC, input_dev->absbit);

drivers/hid/wacom_wac.h

@@ -166,6 +166,7 @@
 				 ((f)->physical == HID_DG_PEN) || \
 				 ((f)->application == HID_DG_PEN) || \
 				 ((f)->application == HID_DG_DIGITIZER) || \
+				 ((f)->application == WACOM_HID_WD_PEN) || \
 				 ((f)->application == WACOM_HID_WD_DIGITIZER) || \
 				 ((f)->application == WACOM_HID_G9_PEN) || \
 				 ((f)->application == WACOM_HID_G11_PEN))
@@ -291,6 +292,8 @@ struct hid_data {
 	bool inrange_state;
 	bool invert_state;
 	bool tipswitch;
+	bool barrelswitch;
+	bool barrelswitch2;
 	int x;
 	int y;
 	int pressure;

include/linux/hid.h

@@ -289,6 +289,7 @@ struct hid_item {
 #define HID_DG_DEVICEINDEX	0x000d0053
 #define HID_DG_CONTACTCOUNT	0x000d0054
 #define HID_DG_CONTACTMAX	0x000d0055
+#define HID_DG_SCANTIME		0x000d0056
 #define HID_DG_BUTTONTYPE	0x000d0059
 #define HID_DG_BARRELSWITCH2	0x000d005a
 #define HID_DG_TOOLSERIALNUMBER	0x000d005b
@@ -753,6 +754,7 @@ struct hid_driver {
  * @stop: called on remove
  * @open: called by input layer on open
  * @close: called by input layer on close
+ * @power: request underlying hardware to enter requested power mode
  * @parse: this method is called only once to parse the device data,
  *	   shouldn't allocate anything to not leak memory
  * @request: send report request to device (e.g. feature report)

include/uapi/linux/input-event-codes.h

@@ -407,6 +407,7 @@
 #define BTN_TOOL_MOUSE		0x146
 #define BTN_TOOL_LENS		0x147
 #define BTN_TOOL_QUINTTAP	0x148	/* Five fingers on trackpad */
+#define BTN_STYLUS3		0x149
 #define BTN_TOUCH		0x14a
 #define BTN_STYLUS		0x14b
 #define BTN_STYLUS2		0x14c