Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998

This brings LA.UM.8.4.r1-05500-8x98.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
60fca75727065 Merge 4.4.226 into android-4.4-p

Conflicts:
	drivers/base/firmware_class.c
	drivers/gpu/drm/msm/msm_gem.c
	drivers/mmc/host/sdhci.c
	drivers/net/wireless/ath/ath10k/core.c
	kernel/trace/blktrace.c
	net/socket.c
	sound/core/rawmidi.c
	sound/usb/mixer.c

Change-Id: Ic8599e865656da72a9405c45f27091ec1ddc168c

6 files changed, 59 insertions, 27 deletions

diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index e9ae3d500a55..700f018df668 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -342,20 +342,6 @@ static int evdev_fasync(int fd, struct file *file, int on)
 	return fasync_helper(fd, file, on, &client->fasync);
 }
 
-static int evdev_flush(struct file *file, fl_owner_t id)
-{
-	struct evdev_client *client = file->private_data;
-	struct evdev *evdev = client->evdev;
-
-	mutex_lock(&evdev->mutex);
-
-	if (evdev->exist && !client->revoked)
-		input_flush_device(&evdev->handle, file);
-
-	mutex_unlock(&evdev->mutex);
-	return 0;
-}
-
 static void evdev_free(struct device *dev)
 {
 	struct evdev *evdev = container_of(dev, struct evdev, dev);
@@ -469,6 +455,10 @@ static int evdev_release(struct inode *inode, struct file *file)
 	unsigned int i;
 
 	mutex_lock(&evdev->mutex);
+
+	if (evdev->exist && !client->revoked)
+		input_flush_device(&evdev->handle, file);
+
 	evdev_ungrab(evdev, client);
 	mutex_unlock(&evdev->mutex);
 
@@ -1331,7 +1321,6 @@ static const struct file_operations evdev_fops = {
 	.compat_ioctl	= evdev_ioctl_compat,
 #endif
 	.fasync		= evdev_fasync,
-	.flush		= evdev_flush,
 	.llseek		= no_llseek,
 };
 
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 26476a64e663..54a6691d7d87 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -476,6 +476,16 @@ static const u8 xboxone_fw2015_init[] = {
 };
 
 /*
+ * This packet is required for Xbox One S (0x045e:0x02ea)
+ * and Xbox One Elite Series 2 (0x045e:0x0b00) pads to
+ * initialize the controller that was previously used in
+ * Bluetooth mode.
+ */
+static const u8 xboxone_s_init[] = {
+	0x05, 0x20, 0x00, 0x0f, 0x06
+};
+
+/*
  * This packet is required for the Titanfall 2 Xbox One pads
  * (0x0e6f:0x0165) to finish initialization and for Hori pads
  * (0x0f0d:0x0067) to make the analog sticks work.
@@ -533,6 +543,8 @@ static const struct xboxone_init_packet xboxone_init_packets[] = {
 	XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init),
 	XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init),
 	XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init),
+	XBOXONE_INIT_PKT(0x045e, 0x02ea, xboxone_s_init),
+	XBOXONE_INIT_PKT(0x045e, 0x0b00, xboxone_s_init),
 	XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init1),
 	XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init2),
 	XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index c93dd193a496..6ca05326754f 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -105,7 +105,7 @@ static void gpio_keys_syscore_resume(void);
  * Return value of this function can be used to allocate bitmap
  * large enough to hold all bits for given type.
  */
-static inline int get_n_events_by_type(int type)
+static int get_n_events_by_type(int type)
 {
 	BUG_ON(type != EV_SW && type != EV_KEY);
 
@@ -113,6 +113,22 @@ static inline int get_n_events_by_type(int type)
 }
 
 /**
+ * get_bm_events_by_type() - returns bitmap of supported events per @type
+ * @input: input device from which bitmap is retrieved
+ * @type: type of button (%EV_KEY, %EV_SW)
+ *
+ * Return value of this function can be used to allocate bitmap
+ * large enough to hold all bits for given type.
+ */
+static const unsigned long *get_bm_events_by_type(struct input_dev *dev,
+						  int type)
+{
+	BUG_ON(type != EV_SW && type != EV_KEY);
+
+	return (type == EV_KEY) ? dev->keybit : dev->swbit;
+}
+
+/**
  * gpio_keys_disable_button() - disables given GPIO button
  * @bdata: button data for button to be disabled
  *
@@ -222,6 +238,7 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata,
 					   const char *buf, unsigned int type)
 {
 	int n_events = get_n_events_by_type(type);
+	const unsigned long *bitmap = get_bm_events_by_type(ddata->input, type);
 	unsigned long *bits;
 	ssize_t error;
 	int i;
@@ -235,6 +252,11 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata,
 		goto out;
 
 	/* First validate */
+	if (!bitmap_subset(bits, bitmap, n_events)) {
+		error = -EINVAL;
+		goto out;
+	}
+
 	for (i = 0; i < ddata->pdata->nbuttons; i++) {
 		struct gpio_button_data *bdata = &ddata->data[i];
 
@@ -248,11 +270,6 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata,
 		}
 	}
 
-	if (i == ddata->pdata->nbuttons) {
-		error = -EINVAL;
-		goto out;
-	}
-
 	mutex_lock(&ddata->disable_lock);
 
 	for (i = 0; i < ddata->pdata->nbuttons; i++) {
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index a4e76084a2af..fd1e79013cf8 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -738,6 +738,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
 		},
 	},
+	{
+		/* Lenovo ThinkPad Twist S230u */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index a9d97d577a7e..5e535d0bbe16 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -822,16 +822,22 @@ static void edt_ft5x06_ts_get_defaults(struct device *dev,
 	int error;
 
 	error = device_property_read_u32(dev, "threshold", &val);
-	if (!error)
-		reg_addr->reg_threshold = val;
+	if (!error) {
+		edt_ft5x06_register_write(tsdata, reg_addr->reg_threshold, val);
+		tsdata->threshold = val;
+	}
 
 	error = device_property_read_u32(dev, "gain", &val);
-	if (!error)
-		reg_addr->reg_gain = val;
+	if (!error) {
+		edt_ft5x06_register_write(tsdata, reg_addr->reg_gain, val);
+		tsdata->gain = val;
+	}
 
 	error = device_property_read_u32(dev, "offset", &val);
-	if (!error)
-		reg_addr->reg_offset = val;
+	if (!error) {
+		edt_ft5x06_register_write(tsdata, reg_addr->reg_offset, val);
+		tsdata->offset = val;
+	}
 }
 
 static void
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 2c41107240de..499402a975b3 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -197,6 +197,7 @@ static const struct usb_device_id usbtouch_devices[] = {
 #endif
 
 #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH
+	{USB_DEVICE(0x255e, 0x0001), .driver_info = DEVTYPE_IRTOUCH},
 	{USB_DEVICE(0x595a, 0x0001), .driver_info = DEVTYPE_IRTOUCH},
 	{USB_DEVICE(0x6615, 0x0001), .driver_info = DEVTYPE_IRTOUCH},
 	{USB_DEVICE(0x6615, 0x0012), .driver_info = DEVTYPE_IRTOUCH_HIRES},