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

Pull HID updates from Jiri Kosina:

 - fix for some modern devices that return multi-byte battery report,
   from Grant Likely

 - fix for devices with Resolution Multiplier, from Peter Hutterer

 - device probing speed increase, from Dmitry Torokhov

 - ThinkPad 10 Ultrabook Keyboard support, from Hans de Goede

 - other small assorted fixes and device ID additions

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: quirks: add NOGET quirk for Logitech GROUP
  HID: Replace HTTP links with HTTPS ones
  HID: udraw-ps3: Replace HTTP links with HTTPS ones
  HID: mcp2221: Replace HTTP links with HTTPS ones
  HID: input: Fix devices that return multiple bytes in battery report
  HID: lenovo: Fix spurious F23 key press report during resume from suspend
  HID: lenovo: Add ThinkPad 10 Ultrabook Keyboard fn_lock support
  HID: lenovo: Add ThinkPad 10 Ultrabook Keyboard support
  HID: lenovo: Rename fn_lock sysfs attr handlers to make them generic
  HID: lenovo: Factor out generic parts of the LED code
  HID: lenovo: Merge tpkbd and cptkbd data structures
  HID: intel-ish-hid: Replace PCI_DEV_FLAGS_NO_D3 with pci_save_state
  HID: Wiimote: Treat the d-pad as an analogue stick
  HID: input: do not run GET_REPORT unless there's a Resolution Multiplier
  HID: usbhid: remove redundant assignment to variable retval
  HID: usbhid: do not sleep when opening device

drivers/hid/Kconfig

@@ -20,7 +20,7 @@ config HID
 	  removed from the HID bus by the transport-layer drivers, such as
 	  usbhid (USB_HID) and hidp (BT_HIDP).
 
-	  For docs and specs, see http://www.usb.org/developers/hidpage/
+	  For docs and specs, see https://www.usb.org/developers/hidpage/
 
 	  If unsure, say Y.
 

drivers/hid/hid-cp2112.c

@@ -11,7 +11,7 @@
  * host communicates with the CP2112 via raw HID reports.
  *
  * Data Sheet:
- *   http://www.silabs.com/Support%20Documents/TechnicalDocs/CP2112.pdf
+ *   https://www.silabs.com/Support%20Documents/TechnicalDocs/CP2112.pdf
  * Programming Interface Specification:
  *   https://www.silabs.com/documents/public/application-notes/an495-cp2112-interface-specification.pdf
  */

drivers/hid/hid-ids.h

@@ -724,6 +724,7 @@
 #define USB_DEVICE_ID_LENOVO_CUSBKBD	0x6047
 #define USB_DEVICE_ID_LENOVO_CBTKBD	0x6048
 #define USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL	0x6049
+#define USB_DEVICE_ID_LENOVO_TP10UBKBD	0x6062
 #define USB_DEVICE_ID_LENOVO_TPPRODOCK	0x6067
 #define USB_DEVICE_ID_LENOVO_X1_COVER	0x6085
 #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D	0x608d
@@ -773,6 +774,7 @@
 #define USB_DEVICE_ID_LOGITECH_G27_WHEEL	0xc29b
 #define USB_DEVICE_ID_LOGITECH_WII_WHEEL	0xc29c
 #define USB_DEVICE_ID_LOGITECH_ELITE_KBD	0xc30a
+#define USB_DEVICE_ID_LOGITECH_GROUP_AUDIO	0x0882
 #define USB_DEVICE_ID_S510_RECEIVER	0xc50c
 #define USB_DEVICE_ID_S510_RECEIVER_2	0xc517
 #define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500	0xc512

drivers/hid/hid-input.c

@@ -350,13 +350,13 @@ static int hidinput_query_battery_capacity(struct hid_device *dev)
 	u8 *buf;
 	int ret;
 
-	buf = kmalloc(2, GFP_KERNEL);
+	buf = kmalloc(4, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
-	ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 2,
+	ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 4,
 				 dev->battery_report_type, HID_REQ_GET_REPORT);
-	if (ret != 2) {
+	if (ret < 2) {
 		kfree(buf);
 		return -ENODATA;
 	}
@@ -1560,21 +1560,12 @@ static bool __hidinput_change_resolution_multipliers(struct hid_device *hid,
 {
 	struct hid_usage *usage;
 	bool update_needed = false;
+	bool get_report_completed = false;
 	int i, j;
 
 	if (report->maxfield == 0)
 		return false;
 
-	/*
-	 * If we have more than one feature within this report we
-	 * need to fill in the bits from the others before we can
-	 * overwrite the ones for the Resolution Multiplier.
-	 */
-	if (report->maxfield > 1) {
-		hid_hw_request(hid, report, HID_REQ_GET_REPORT);
-		hid_hw_wait(hid);
-	}
-
 	for (i = 0; i < report->maxfield; i++) {
 		__s32 value = use_logical_max ?
 			      report->field[i]->logical_maximum :
@@ -1593,6 +1584,25 @@ static bool __hidinput_change_resolution_multipliers(struct hid_device *hid,
 			if (usage->hid != HID_GD_RESOLUTION_MULTIPLIER)
 				continue;
 
+			/*
+			 * If we have more than one feature within this
+			 * report we need to fill in the bits from the
+			 * others before we can overwrite the ones for the
+			 * Resolution Multiplier.
+			 *
+			 * But if we're not allowed to read from the device,
+			 * we just bail. Such a device should not exist
+			 * anyway.
+			 */
+			if (!get_report_completed && report->maxfield > 1) {
+				if (hid->quirks & HID_QUIRK_NO_INIT_REPORTS)
+					return update_needed;
+
+				hid_hw_request(hid, report, HID_REQ_GET_REPORT);
+				hid_hw_wait(hid);
+				get_report_completed = true;
+			}
+
 			report->field[i]->value[j] = value;
 			update_needed = true;
 		}

drivers/hid/hid-mcp2221.c

@@ -4,7 +4,7 @@
  *
  * Copyright (c) 2020, Rishi Gupta <gupt21@gmail.com>
  *
- * Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/20005565B.pdf
+ * Datasheet: https://ww1.microchip.com/downloads/en/DeviceDoc/20005565B.pdf
  */
 
 #include <linux/module.h>

drivers/hid/hid-quirks.c

@@ -179,6 +179,7 @@ static const struct hid_device_id hid_quirks[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS), HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD), HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE), HID_QUIRK_MULTI_INPUT },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_GROUP_AUDIO), HID_QUIRK_NOGET },
 
 	{ 0 }
 };

drivers/hid/hid-udraw-ps3.c

@@ -16,7 +16,7 @@ MODULE_LICENSE("GPL");
 
 /*
  * Protocol information from:
- * http://brandonw.net/udraw/
+ * https://brandonw.net/udraw/
  * and the source code of:
  * https://vvvv.org/contribution/udraw-hid
  */

drivers/hid/hid-wiimote-core.c

@@ -1870,6 +1870,11 @@ static const struct hid_device_id wiimote_hid_devices[] = {
 				USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
 	{ }
 };
+
+bool wiimote_dpad_as_analog = false;
+module_param_named(dpad_as_analog, wiimote_dpad_as_analog, bool, 0644);
+MODULE_PARM_DESC(dpad_as_analog, "Use D-Pad as main analog input");
+
 MODULE_DEVICE_TABLE(hid, wiimote_hid_devices);
 
 static struct hid_driver wiimote_hid_driver = {

drivers/hid/hid-wiimote-modules.c

@@ -1088,12 +1088,28 @@ static void wiimod_classic_in_ext(struct wiimote_data *wdata, const __u8 *ext)
 	 * is the same as before.
 	 */
 
+	static const s8 digital_to_analog[3] = {0x20, 0, -0x20};
+
 	if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) {
-		lx = ext[0] & 0x3e;
-		ly = ext[1] & 0x3e;
+		if (wiimote_dpad_as_analog) {
+			lx = digital_to_analog[1 - !(ext[4] & 0x80)
+				+ !(ext[1] & 0x01)];
+			ly = digital_to_analog[1 - !(ext[4] & 0x40)
+				+ !(ext[0] & 0x01)];
+		} else {
+			lx = (ext[0] & 0x3e) - 0x20;
+			ly = (ext[1] & 0x3e) - 0x20;
+		}
 	} else {
-		lx = ext[0] & 0x3f;
-		ly = ext[1] & 0x3f;
+		if (wiimote_dpad_as_analog) {
+			lx = digital_to_analog[1 - !(ext[4] & 0x80)
+				+ !(ext[5] & 0x02)];
+			ly = digital_to_analog[1 - !(ext[4] & 0x40)
+				+ !(ext[5] & 0x01)];
+		} else {
+			lx = (ext[0] & 0x3f) - 0x20;
+			ly = (ext[1] & 0x3f) - 0x20;
+		}
 	}
 
 	rx = (ext[0] >> 3) & 0x18;
@@ -1110,19 +1126,13 @@ static void wiimod_classic_in_ext(struct wiimote_data *wdata, const __u8 *ext)
 	rt <<= 1;
 	lt <<= 1;
 
-	input_report_abs(wdata->extension.input, ABS_HAT1X, lx - 0x20);
-	input_report_abs(wdata->extension.input, ABS_HAT1Y, ly - 0x20);
+	input_report_abs(wdata->extension.input, ABS_HAT1X, lx);
+	input_report_abs(wdata->extension.input, ABS_HAT1Y, ly);
 	input_report_abs(wdata->extension.input, ABS_HAT2X, rx - 0x20);
 	input_report_abs(wdata->extension.input, ABS_HAT2Y, ry - 0x20);
 	input_report_abs(wdata->extension.input, ABS_HAT3X, rt);
 	input_report_abs(wdata->extension.input, ABS_HAT3Y, lt);
 
-	input_report_key(wdata->extension.input,
-			 wiimod_classic_map[WIIMOD_CLASSIC_KEY_RIGHT],
-			 !(ext[4] & 0x80));
-	input_report_key(wdata->extension.input,
-			 wiimod_classic_map[WIIMOD_CLASSIC_KEY_DOWN],
-			 !(ext[4] & 0x40));
 	input_report_key(wdata->extension.input,
 			 wiimod_classic_map[WIIMOD_CLASSIC_KEY_LT],
 			 !(ext[4] & 0x20));
@@ -1157,6 +1167,14 @@ static void wiimod_classic_in_ext(struct wiimote_data *wdata, const __u8 *ext)
 			 wiimod_classic_map[WIIMOD_CLASSIC_KEY_ZR],
 			 !(ext[5] & 0x04));
 
+	if (!wiimote_dpad_as_analog) {
+		input_report_key(wdata->extension.input,
+				 wiimod_classic_map[WIIMOD_CLASSIC_KEY_RIGHT],
+				 !(ext[4] & 0x80));
+		input_report_key(wdata->extension.input,
+				 wiimod_classic_map[WIIMOD_CLASSIC_KEY_DOWN],
+				 !(ext[4] & 0x40));
+
 		if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) {
 			input_report_key(wdata->extension.input,
 				 wiimod_classic_map[WIIMOD_CLASSIC_KEY_LEFT],
@@ -1172,6 +1190,7 @@ static void wiimod_classic_in_ext(struct wiimote_data *wdata, const __u8 *ext)
 				 wiimod_classic_map[WIIMOD_CLASSIC_KEY_UP],
 				 !(ext[5] & 0x01));
 		}
+	}
 
 	input_sync(wdata->extension.input);
 }

drivers/hid/hid-wiimote.h

@@ -162,6 +162,8 @@ struct wiimote_data {
 	struct work_struct init_worker;
 };
 
+extern bool wiimote_dpad_as_analog;
+
 /* wiimote modules */
 
 enum wiimod_module {

drivers/hid/intel-ish-hid/ipc/pci-ish.c

@@ -106,6 +106,11 @@ static inline bool ish_should_enter_d0i3(struct pci_dev *pdev)
 	return !pm_suspend_via_firmware() || pdev->device == CHV_DEVICE_ID;
 }
 
+static inline bool ish_should_leave_d0i3(struct pci_dev *pdev)
+{
+	return !pm_resume_via_firmware() || pdev->device == CHV_DEVICE_ID;
+}
+
 /**
  * ish_probe() - PCI driver probe callback
  * @pdev:	pci device
@@ -215,9 +220,7 @@ static void __maybe_unused ish_resume_handler(struct work_struct *work)
 	struct ishtp_device *dev = pci_get_drvdata(pdev);
 	int ret;
 
-	/* Check the NO_D3 flag to distinguish the resume paths */
-	if (pdev->dev_flags & PCI_DEV_FLAGS_NO_D3) {
-		pdev->dev_flags &= ~PCI_DEV_FLAGS_NO_D3;
+	if (ish_should_leave_d0i3(pdev) && !dev->suspend_flag) {
 		disable_irq_wake(pdev->irq);
 
 		ishtp_send_resume(dev);
@@ -281,8 +284,11 @@ static int __maybe_unused ish_suspend(struct device *device)
 			 */
 			ish_disable_dma(dev);
 		} else {
-			/* Set the NO_D3 flag, the ISH would enter D0i3 */
-			pdev->dev_flags |= PCI_DEV_FLAGS_NO_D3;
+			/*
+			 * Save state so PCI core will keep the device at D0,
+			 * the ISH would enter D0i3
+			 */
+			pci_save_state(pdev);
 
 			enable_irq_wake(pdev->irq);
 		}

drivers/hid/usbhid/hid-core.c

@@ -26,6 +26,7 @@
 #include <linux/wait.h>
 #include <linux/workqueue.h>
 #include <linux/string.h>
+#include <linux/timekeeping.h>
 
 #include <linux/usb.h>
 
@@ -95,6 +96,18 @@ static int hid_start_in(struct hid_device *hid)
 				set_bit(HID_NO_BANDWIDTH, &usbhid->iofl);
 		} else {
 			clear_bit(HID_NO_BANDWIDTH, &usbhid->iofl);
+
+			if (test_bit(HID_RESUME_RUNNING, &usbhid->iofl)) {
+				/*
+				 * In case events are generated while nobody was
+				 * listening, some are released when the device
+				 * is re-opened. Wait 50 msec for the queue to
+				 * empty before allowing events to go through
+				 * hid.
+				 */
+				usbhid->input_start_time =
+					ktime_add_ms(ktime_get_coarse(), 50);
+			}
 		}
 	}
 	spin_unlock_irqrestore(&usbhid->lock, flags);
@@ -280,10 +293,14 @@ static void hid_irq_in(struct urb *urb)
 		if (!test_bit(HID_OPENED, &usbhid->iofl))
 			break;
 		usbhid_mark_busy(usbhid);
-		if (!test_bit(HID_RESUME_RUNNING, &usbhid->iofl)) {
+		if (test_bit(HID_RESUME_RUNNING, &usbhid->iofl)) {
+			if (ktime_before(ktime_get_coarse(),
+					 usbhid->input_start_time))
+				break;
+			clear_bit(HID_RESUME_RUNNING, &usbhid->iofl);
+		}
 		hid_input_report(urb->context, HID_INPUT_REPORT,
-					 urb->transfer_buffer,
-					 urb->actual_length, 1);
+				 urb->transfer_buffer, urb->actual_length, 1);
 		/*
 		 * autosuspend refused while keys are pressed
 		 * because most keyboards don't wake up when
@@ -293,7 +310,6 @@ static void hid_irq_in(struct urb *urb)
 			set_bit(HID_KEYS_PRESSED, &usbhid->iofl);
 		else
 			clear_bit(HID_KEYS_PRESSED, &usbhid->iofl);
-		}
 		break;
 	case -EPIPE:		/* stall */
 		usbhid_mark_busy(usbhid);
@@ -720,17 +736,6 @@ static int usbhid_open(struct hid_device *hid)
 
 	usb_autopm_put_interface(usbhid->intf);
 
-	/*
-	 * In case events are generated while nobody was listening,
-	 * some are released when the device is re-opened.
-	 * Wait 50 msec for the queue to empty before allowing events
-	 * to go through hid.
-	 */
-	if (res == 0)
-		msleep(50);
-
-	clear_bit(HID_RESUME_RUNNING, &usbhid->iofl);
-
  Done:
 	mutex_unlock(&usbhid->mutex);
 	return res;
@@ -1667,7 +1672,7 @@ struct usb_interface *usbhid_find_interface(int minor)
 
 static int __init hid_init(void)
 {
-	int retval = -ENOMEM;
+	int retval;
 
 	retval = hid_quirks_init(quirks_param, BUS_USB, MAX_USBHID_BOOT_QUIRKS);
 	if (retval)

drivers/hid/usbhid/usbhid.h

@@ -13,6 +13,7 @@
 
 #include <linux/types.h>
 #include <linux/slab.h>
+#include <linux/ktime.h>
 #include <linux/list.h>
 #include <linux/mutex.h>
 #include <linux/timer.h>
@@ -83,6 +84,7 @@ struct usbhid_device {
 	struct mutex mutex;						/* start/stop/open/close */
 	spinlock_t lock;						/* fifo spinlock */
 	unsigned long iofl;                                             /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */
+	ktime_t input_start_time;					/* When to start handling input */
 	struct timer_list io_retry;                                     /* Retry timer */
 	unsigned long stop_retry;                                       /* Time to give up, in jiffies */
 	unsigned int retry_delay;                                       /* Delay length in ms */