diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 25b7bd56ae11..1cb41992aaa1 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -335,7 +335,8 @@ static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 		struct hid_field *field, struct hid_usage *usage,
 		unsigned long **bit, int *max)
 {
-	if (usage->hid == (HID_UP_CUSTOM | 0x0003)) {
+	if (usage->hid == (HID_UP_CUSTOM | 0x0003) ||
+			usage->hid == (HID_UP_MSVENDOR | 0x0003)) {
 		/* The fn key on Apple USB keyboards */
 		set_bit(EV_REP, hi->input->evbit);
 		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN);
@@ -472,6 +473,12 @@ static const struct hid_device_id apple_devices[] = {
 		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI),
 		.driver_data = APPLE_HAS_FN },
+	{ HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI),
+		.driver_data = APPLE_HAS_FN },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI),
+		.driver_data = APPLE_HAS_FN },
+	{ HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI),
+		.driver_data = APPLE_HAS_FN },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI),
 		.driver_data = APPLE_HAS_FN },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO),
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 3da354af7a0a..44564f61e9cc 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1000,7 +1000,7 @@ int hid_open_report(struct hid_device *device)
 	parser = vzalloc(sizeof(struct hid_parser));
 	if (!parser) {
 		ret = -ENOMEM;
-		goto err;
+		goto alloc_err;
 	}
 
 	parser->device = device;
@@ -1039,6 +1039,7 @@ int hid_open_report(struct hid_device *device)
 				hid_err(device, "unbalanced delimiter at end of report description\n");
 				goto err;
 			}
+			kfree(parser->collection_stack);
 			vfree(parser);
 			device->status |= HID_STAT_PARSED;
 			return 0;
@@ -1047,6 +1048,8 @@ int hid_open_report(struct hid_device *device)
 
 	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
 err:
+	kfree(parser->collection_stack);
+alloc_err:
 	vfree(parser);
 	hid_close_report(device);
 	return ret;
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 79bdf0c7e351..5146ee029db4 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -88,6 +88,7 @@
 #define USB_DEVICE_ID_ANTON_TOUCH_PAD	0x3101
 
 #define USB_VENDOR_ID_APPLE		0x05ac
+#define BT_VENDOR_ID_APPLE		0x004c
 #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE	0x0304
 #define USB_DEVICE_ID_APPLE_MAGICMOUSE	0x030d
 #define USB_DEVICE_ID_APPLE_MAGICTRACKPAD	0x030e
@@ -157,6 +158,7 @@
 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO   0x0256
 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS   0x0257
 #define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI   0x0267
+#define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI   0x026c
 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI	0x0290
 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO	0x0291
 #define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS	0x0292
@@ -528,9 +530,6 @@
 #define I2C_VENDOR_ID_HANTICK		0x0911
 #define I2C_PRODUCT_ID_HANTICK_5288	0x5288
 
-#define I2C_VENDOR_ID_RAYD		0x2386
-#define I2C_PRODUCT_ID_RAYD_3118	0x3118
-
 #define USB_VENDOR_ID_HANWANG		0x0b57
 #define USB_DEVICE_ID_HANWANG_TABLET_FIRST	0x5000
 #define USB_DEVICE_ID_HANWANG_TABLET_LAST	0x8fff
@@ -950,6 +949,7 @@
 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD	0xff17
 #define USB_DEVICE_ID_SAITEK_PS1000	0x0621
 #define USB_DEVICE_ID_SAITEK_RAT7_OLD	0x0ccb
+#define USB_DEVICE_ID_SAITEK_RAT7_CONTAGION	0x0ccd
 #define USB_DEVICE_ID_SAITEK_RAT7	0x0cd7
 #define USB_DEVICE_ID_SAITEK_RAT9	0x0cfa
 #define USB_DEVICE_ID_SAITEK_MMO7	0x0cd0
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 4e94ea3e280a..a481eaf39e88 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1582,6 +1582,7 @@ static struct hid_input *hidinput_allocate(struct hid_device *hid,
 	input_dev->dev.parent = &hid->dev;
 
 	hidinput->input = input_dev;
+	hidinput->application = application;
 	list_add_tail(&hidinput->list, &hid->inputs);
 
 	INIT_LIST_HEAD(&hidinput->reports);
@@ -1677,8 +1678,7 @@ static struct hid_input *hidinput_match_application(struct hid_report *report)
 	struct hid_input *hidinput;
 
 	list_for_each_entry(hidinput, &hid->inputs, list) {
-		if (hidinput->report &&
-		    hidinput->report->application == report->application)
+		if (hidinput->application == report->application)
 			return hidinput;
 	}
 
@@ -1815,6 +1815,7 @@ void hidinput_disconnect(struct hid_device *hid)
 			input_unregister_device(hidinput->input);
 		else
 			input_free_device(hidinput->input);
+		kfree(hidinput->name);
 		kfree(hidinput);
 	}
 
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 40fbb7c52723..da954f3f4da7 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1375,7 +1375,8 @@ static bool mt_need_to_apply_feature(struct hid_device *hdev,
 				     struct hid_usage *usage,
 				     enum latency_mode latency,
 				     bool surface_switch,
-				     bool button_switch)
+				     bool button_switch,
+				     bool *inputmode_found)
 {
 	struct mt_device *td = hid_get_drvdata(hdev);
 	struct mt_class *cls = &td->mtclass;
@@ -1387,6 +1388,14 @@ static bool mt_need_to_apply_feature(struct hid_device *hdev,
 
 	switch (usage->hid) {
 	case HID_DG_INPUTMODE:
+		/*
+		 * Some elan panels wrongly declare 2 input mode features,
+		 * and silently ignore when we set the value in the second
+		 * field. Skip the second feature and hope for the best.
+		 */
+		if (*inputmode_found)
+			return false;
+
 		if (cls->quirks & MT_QUIRK_FORCE_GET_FEATURE) {
 			report_len = hid_report_len(report);
 			buf = hid_alloc_report_buf(report, GFP_KERNEL);
@@ -1402,6 +1411,7 @@ static bool mt_need_to_apply_feature(struct hid_device *hdev,
 		}
 
 		field->value[index] = td->inputmode_value;
+		*inputmode_found = true;
 		return true;
 
 	case HID_DG_CONTACTMAX:
@@ -1439,6 +1449,7 @@ static void mt_set_modes(struct hid_device *hdev, enum latency_mode latency,
 	struct hid_usage *usage;
 	int i, j;
 	bool update_report;
+	bool inputmode_found = false;
 
 	rep_enum = &hdev->report_enum[HID_FEATURE_REPORT];
 	list_for_each_entry(rep, &rep_enum->report_list, list) {
@@ -1457,7 +1468,8 @@ static void mt_set_modes(struct hid_device *hdev, enum latency_mode latency,
 							     usage,
 							     latency,
 							     surface_switch,
-							     button_switch))
+							     button_switch,
+							     &inputmode_found))
 					update_report = true;
 			}
 		}
@@ -1685,6 +1697,9 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	 */
 	hdev->quirks |= HID_QUIRK_INPUT_PER_APP;
 
+	if (id->group != HID_GROUP_MULTITOUCH_WIN_8)
+		hdev->quirks |= HID_QUIRK_MULTI_INPUT;
+
 	timer_setup(&td->release_timer, mt_expired_timeout, 0);
 
 	ret = hid_parse(hdev);
diff --git a/drivers/hid/hid-saitek.c b/drivers/hid/hid-saitek.c
index 39e642686ff0..683861f324e3 100644
--- a/drivers/hid/hid-saitek.c
+++ b/drivers/hid/hid-saitek.c
@@ -183,6 +183,8 @@ static const struct hid_device_id saitek_devices[] = {
 		.driver_data = SAITEK_RELEASE_MODE_RAT7 },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7),
 		.driver_data = SAITEK_RELEASE_MODE_RAT7 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_CONTAGION),
+		.driver_data = SAITEK_RELEASE_MODE_RAT7 },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT9),
 		.driver_data = SAITEK_RELEASE_MODE_RAT7 },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9),
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 50af72baa5ca..2b63487057c2 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -579,6 +579,28 @@ void sensor_hub_device_close(struct hid_sensor_hub_device *hsdev)
 }
 EXPORT_SYMBOL_GPL(sensor_hub_device_close);
 
+static __u8 *sensor_hub_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+		unsigned int *rsize)
+{
+	/*
+	 * Checks if the report descriptor of Thinkpad Helix 2 has a logical
+	 * minimum for magnetic flux axis greater than the maximum.
+	 */
+	if (hdev->product == USB_DEVICE_ID_TEXAS_INSTRUMENTS_LENOVO_YOGA &&
+		*rsize == 2558 && rdesc[913] == 0x17 && rdesc[914] == 0x40 &&
+		rdesc[915] == 0x81 && rdesc[916] == 0x08 &&
+		rdesc[917] == 0x00 && rdesc[918] == 0x27 &&
+		rdesc[921] == 0x07 && rdesc[922] == 0x00) {
+		/* Sets negative logical minimum for mag x, y and z */
+		rdesc[914] = rdesc[935] = rdesc[956] = 0xc0;
+		rdesc[915] = rdesc[936] = rdesc[957] = 0x7e;
+		rdesc[916] = rdesc[937] = rdesc[958] = 0xf7;
+		rdesc[917] = rdesc[938] = rdesc[959] = 0xff;
+	}
+
+	return rdesc;
+}
+
 static int sensor_hub_probe(struct hid_device *hdev,
 				const struct hid_device_id *id)
 {
@@ -743,6 +765,7 @@ static struct hid_driver sensor_hub_driver = {
 	.probe = sensor_hub_probe,
 	.remove = sensor_hub_remove,
 	.raw_event = sensor_hub_raw_event,
+	.report_fixup = sensor_hub_report_fixup,
 #ifdef CONFIG_PM
 	.suspend = sensor_hub_suspend,
 	.resume = sensor_hub_resume,
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 2ce194a84868..f3076659361a 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -170,8 +170,6 @@ static const struct i2c_hid_quirks {
 		I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV },
 	{ I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288,
 		I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
-	{ I2C_VENDOR_ID_RAYD, I2C_PRODUCT_ID_RAYD_3118,
-		I2C_HID_QUIRK_RESEND_REPORT_DESCR },
 	{ USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS10FB_TOUCH,
 		I2C_HID_QUIRK_RESEND_REPORT_DESCR },
 	{ 0, 0 }
@@ -1235,11 +1233,16 @@ static int i2c_hid_resume(struct device *dev)
 	pm_runtime_enable(dev);
 
 	enable_irq(client->irq);
-	ret = i2c_hid_hwreset(client);
+
+	/* Instead of resetting device, simply powers the device on. This
+	 * solves "incomplete reports" on Raydium devices 2386:3118 and
+	 * 2386:4B33
+	 */
+	ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
 	if (ret)
 		return ret;
 
-	/* RAYDIUM device (2386:3118) need to re-send report descr cmd
+	/* Some devices need to re-send report descr cmd
 	 * after resume, after this it will be back normal.
 	 * otherwise it issues too many incomplete reports.
 	 */
diff --git a/drivers/hid/intel-ish-hid/ipc/hw-ish.h b/drivers/hid/intel-ish-hid/ipc/hw-ish.h
index 97869b7410eb..da133716bed0 100644
--- a/drivers/hid/intel-ish-hid/ipc/hw-ish.h
+++ b/drivers/hid/intel-ish-hid/ipc/hw-ish.h
@@ -29,6 +29,7 @@
 #define CNL_Ax_DEVICE_ID	0x9DFC
 #define GLK_Ax_DEVICE_ID	0x31A2
 #define CNL_H_DEVICE_ID		0xA37C
+#define SPT_H_DEVICE_ID		0xA135
 
 #define	REVISION_ID_CHT_A0	0x6
 #define	REVISION_ID_CHT_Ax_SI	0x0
diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c
index 050f9872f5c0..a1125a5c7965 100644
--- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c
+++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c
@@ -38,6 +38,7 @@ static const struct pci_device_id ish_pci_tbl[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, CNL_Ax_DEVICE_ID)},
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, GLK_Ax_DEVICE_ID)},
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, CNL_H_DEVICE_ID)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, SPT_H_DEVICE_ID)},
 	{0, }
 };
 MODULE_DEVICE_TABLE(pci, ish_pci_tbl);
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 834e6461a690..d44a78362942 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -526,6 +526,7 @@ struct hid_input {
 	const char *name;
 	bool registered;
 	struct list_head reports;	/* the list of reports */
+	unsigned int application;	/* application usage for this input */
 };
 
 enum hid_type {