Merge branch 'next' into for-linus

Prepare first round of input updates for 4.3 merge window.

28 files changed, 1115 insertions, 469 deletions

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index aa2b5f21b89b..059edeb7f04a 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -11,9 +11,9 @@ menuconfig INPUT_TOUCHSCREEN
 
 if INPUT_TOUCHSCREEN
 
-config OF_TOUCHSCREEN
+config TOUCHSCREEN_PROPERTIES
 	def_tristate INPUT
-	depends on INPUT && OF
+	depends on INPUT
 
 config TOUCHSCREEN_88PM860X
 	tristate "Marvell 88PM860x touchscreen"
@@ -118,7 +118,7 @@ config TOUCHSCREEN_ATMEL_MXT
 config TOUCHSCREEN_AUO_PIXCIR
 	tristate "AUO in-cell touchscreen using Pixcir ICs"
 	depends on I2C
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	help
 	  Say Y here if you have a AUO display with in-cell touchscreen
 	  using Pixcir ICs.
@@ -142,7 +142,7 @@ config TOUCHSCREEN_BU21013
 
 config TOUCHSCREEN_CHIPONE_ICN8318
 	tristate "chipone icn8318 touchscreen controller"
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	depends on I2C
 	depends on OF
 	help
@@ -156,7 +156,7 @@ config TOUCHSCREEN_CHIPONE_ICN8318
 config TOUCHSCREEN_CY8CTMG110
 	tristate "cy8ctmg110 touchscreen"
 	depends on I2C
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	help
 	  Say Y here if you have a cy8ctmg110 capacitive touchscreen on
 	  an AAVA device.
@@ -915,10 +915,11 @@ config TOUCHSCREEN_TSC_SERIO
 	  module will be called tsc40.
 
 config TOUCHSCREEN_TSC2005
-        tristate "TSC2005 based touchscreens"
-        depends on SPI_MASTER
-        help
-          Say Y here if you have a TSC2005 based touchscreen.
+	tristate "TSC2005 based touchscreens"
+	depends on SPI_MASTER
+	select REGMAP_SPI
+	help
+	  Say Y here if you have a TSC2005 based touchscreen.
 
 	  If unsure, say N.
 
@@ -992,8 +993,9 @@ config TOUCHSCREEN_SUN4I
 
 config TOUCHSCREEN_SUR40
 	tristate "Samsung SUR40 (Surface 2.0/PixelSense) touchscreen"
-	depends on USB
+	depends on USB && MEDIA_USB_SUPPORT && HAS_DMA
 	select INPUT_POLLDEV
+	select VIDEOBUF2_DMA_SG
 	help
 	  Say Y here if you want support for the Samsung SUR40 touchscreen
 	  (also known as Microsoft Surface 2.0 or Microsoft PixelSense).
@@ -1028,7 +1030,7 @@ config TOUCHSCREEN_TPS6507X
 config TOUCHSCREEN_ZFORCE
 	tristate "Neonode zForce infrared touchscreens"
 	depends on I2C
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	help
 	  Say Y here if you have a touchscreen using the zforce
 	  infraread technology from Neonode.
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index fa3d33bac7fc..c85aae23e7f8 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -6,7 +6,7 @@
 
 wm97xx-ts-y := wm97xx-core.o
 
-obj-$(CONFIG_OF_TOUCHSCREEN)		+= of_touchscreen.o
+obj-$(CONFIG_TOUCHSCREEN_PROPERTIES)	+= of_touchscreen.o
 obj-$(CONFIG_TOUCHSCREEN_88PM860X)	+= 88pm860x-ts.o
 obj-$(CONFIG_TOUCHSCREEN_AD7877)	+= ad7877.o
 obj-$(CONFIG_TOUCHSCREEN_AD7879)	+= ad7879.o
diff --git a/drivers/input/touchscreen/ad7879-i2c.c b/drivers/input/touchscreen/ad7879-i2c.c
index dcf390771549..d66962c5b1c2 100644
--- a/drivers/input/touchscreen/ad7879-i2c.c
+++ b/drivers/input/touchscreen/ad7879-i2c.c
@@ -94,7 +94,6 @@ MODULE_DEVICE_TABLE(i2c, ad7879_id);
 static struct i2c_driver ad7879_i2c_driver = {
 	.driver = {
 		.name	= "ad7879",
-		.owner	= THIS_MODULE,
 		.pm	= &ad7879_pm_ops,
 	},
 	.probe		= ad7879_i2c_probe,
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index e4eb8a6c658f..0f5f968592bd 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -1234,7 +1234,8 @@ static const struct ads7846_platform_data *ads7846_probe_dt(struct device *dev)
 	of_property_read_u32(node, "ti,pendown-gpio-debounce",
 			     &pdata->gpio_pendown_debounce);
 
-	pdata->wakeup = of_property_read_bool(node, "linux,wakeup");
+	pdata->wakeup = of_property_read_bool(node, "wakeup-source") ||
+			of_property_read_bool(node, "linux,wakeup");
 
 	pdata->gpio_pendown = of_get_named_gpio(dev->of_node, "pendown-gpio", 0);
 
diff --git a/drivers/input/touchscreen/ar1021_i2c.c b/drivers/input/touchscreen/ar1021_i2c.c
index f0b954d46a25..71b5a634cf6d 100644
--- a/drivers/input/touchscreen/ar1021_i2c.c
+++ b/drivers/input/touchscreen/ar1021_i2c.c
@@ -166,7 +166,6 @@ MODULE_DEVICE_TABLE(of, ar1021_i2c_of_match);
 static struct i2c_driver ar1021_i2c_driver = {
 	.driver	= {
 		.name	= "ar1021_i2c",
-		.owner	= THIS_MODULE,
 		.pm	= &ar1021_i2c_pm,
 		.of_match_table = ar1021_i2c_of_match,
 	},
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index dfc7309e3d38..c5622058c22b 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -22,34 +22,20 @@
 #include <linux/delay.h>
 #include <linux/firmware.h>
 #include <linux/i2c.h>
-#include <linux/i2c/atmel_mxt_ts.h>
+#include <linux/platform_data/atmel_mxt_ts.h>
 #include <linux/input/mt.h>
 #include <linux/interrupt.h>
 #include <linux/of.h>
 #include <linux/slab.h>
 #include <asm/unaligned.h>
 
-/* Version */
-#define MXT_VER_20		20
-#define MXT_VER_21		21
-#define MXT_VER_22		22
-
 /* Firmware files */
 #define MXT_FW_NAME		"maxtouch.fw"
 #define MXT_CFG_NAME		"maxtouch.cfg"
 #define MXT_CFG_MAGIC		"OBP_RAW V1"
 
 /* Registers */
-#define MXT_INFO		0x00
-#define MXT_FAMILY_ID		0x00
-#define MXT_VARIANT_ID		0x01
-#define MXT_VERSION		0x02
-#define MXT_BUILD		0x03
-#define MXT_MATRIX_X_SIZE	0x04
-#define MXT_MATRIX_Y_SIZE	0x05
-#define MXT_OBJECT_NUM		0x06
 #define MXT_OBJECT_START	0x07
-
 #define MXT_OBJECT_SIZE		6
 #define MXT_INFO_CHECKSUM_SIZE	3
 #define MXT_MAX_BLOCK_WRITE	256
@@ -103,21 +89,16 @@
 #define MXT_T6_STATUS_COMSERR	(1 << 2)
 
 /* MXT_GEN_POWER_T7 field */
-#define MXT_POWER_IDLEACQINT	0
-#define MXT_POWER_ACTVACQINT	1
-#define MXT_POWER_ACTV2IDLETO	2
-
-/* MXT_GEN_ACQUIRE_T8 field */
-#define MXT_ACQUIRE_CHRGTIME	0
-#define MXT_ACQUIRE_TCHDRIFT	2
-#define MXT_ACQUIRE_DRIFTST	3
-#define MXT_ACQUIRE_TCHAUTOCAL	4
-#define MXT_ACQUIRE_SYNC	5
-#define MXT_ACQUIRE_ATCHCALST	6
-#define MXT_ACQUIRE_ATCHCALSTHR	7
+struct t7_config {
+	u8 idle;
+	u8 active;
+} __packed;
+
+#define MXT_POWER_CFG_RUN		0
+#define MXT_POWER_CFG_DEEPSLEEP		1
 
 /* MXT_TOUCH_MULTI_T9 field */
-#define MXT_TOUCH_CTRL		0
+#define MXT_T9_CTRL		0
 #define MXT_T9_ORIENT		9
 #define MXT_T9_RANGE		18
 
@@ -139,51 +120,10 @@ struct t9_range {
 /* MXT_TOUCH_MULTI_T9 orient */
 #define MXT_T9_ORIENT_SWITCH	(1 << 0)
 
-/* MXT_PROCI_GRIPFACE_T20 field */
-#define MXT_GRIPFACE_CTRL	0
-#define MXT_GRIPFACE_XLOGRIP	1
-#define MXT_GRIPFACE_XHIGRIP	2
-#define MXT_GRIPFACE_YLOGRIP	3
-#define MXT_GRIPFACE_YHIGRIP	4
-#define MXT_GRIPFACE_MAXTCHS	5
-#define MXT_GRIPFACE_SZTHR1	7
-#define MXT_GRIPFACE_SZTHR2	8
-#define MXT_GRIPFACE_SHPTHR1	9
-#define MXT_GRIPFACE_SHPTHR2	10
-#define MXT_GRIPFACE_SUPEXTTO	11
-
-/* MXT_PROCI_NOISE field */
-#define MXT_NOISE_CTRL		0
-#define MXT_NOISE_OUTFLEN	1
-#define MXT_NOISE_GCAFUL_LSB	3
-#define MXT_NOISE_GCAFUL_MSB	4
-#define MXT_NOISE_GCAFLL_LSB	5
-#define MXT_NOISE_GCAFLL_MSB	6
-#define MXT_NOISE_ACTVGCAFVALID	7
-#define MXT_NOISE_NOISETHR	8
-#define MXT_NOISE_FREQHOPSCALE	10
-#define MXT_NOISE_FREQ0		11
-#define MXT_NOISE_FREQ1		12
-#define MXT_NOISE_FREQ2		13
-#define MXT_NOISE_FREQ3		14
-#define MXT_NOISE_FREQ4		15
-#define MXT_NOISE_IDLEGCAFVALID	16
-
 /* MXT_SPT_COMMSCONFIG_T18 */
 #define MXT_COMMS_CTRL		0
 #define MXT_COMMS_CMD		1
 
-/* MXT_SPT_CTECONFIG_T28 field */
-#define MXT_CTE_CTRL		0
-#define MXT_CTE_CMD		1
-#define MXT_CTE_MODE		2
-#define MXT_CTE_IDLEGCAFDEPTH	3
-#define MXT_CTE_ACTVGCAFDEPTH	4
-#define MXT_CTE_VOLTAGE		5
-
-#define MXT_VOLTAGE_DEFAULT	2700000
-#define MXT_VOLTAGE_STEP	10000
-
 /* Define for MXT_GEN_COMMAND_T6 */
 #define MXT_BOOT_VALUE		0xa5
 #define MXT_RESET_VALUE		0x01
@@ -291,6 +231,7 @@ struct mxt_data {
 	u8 last_message_count;
 	u8 num_touchids;
 	u8 multitouch;
+	struct t7_config t7_cfg;
 
 	/* Cached parameters from object table */
 	u16 T5_address;
@@ -997,16 +938,15 @@ static irqreturn_t mxt_process_messages_t44(struct mxt_data *data)
 
 	count = data->msg_buf[0];
 
-	if (count == 0) {
-		/*
-		 * This condition is caused by the CHG line being configured
-		 * in Mode 0. It results in unnecessary I2C operations but it
-		 * is benign.
-		 */
-		dev_dbg(dev, "Interrupt triggered but zero messages\n");
+	/*
+	 * This condition may be caused by the CHG line being configured in
+	 * Mode 0. It results in unnecessary I2C operations but it is benign.
+	 */
+	if (count == 0)
 		return IRQ_NONE;
-	} else if (count > data->max_reportid) {
-		dev_err(dev, "T44 count %d exceeded max report id\n", count);
+
+	if (count > data->max_reportid) {
+		dev_warn(dev, "T44 count %d exceeded max report id\n", count);
 		count = data->max_reportid;
 	}
 
@@ -1157,7 +1097,9 @@ static int mxt_soft_reset(struct mxt_data *data)
 	struct device *dev = &data->client->dev;
 	int ret = 0;
 
-	dev_info(dev, "Resetting chip\n");
+	dev_info(dev, "Resetting device\n");
+
+	disable_irq(data->irq);
 
 	reinit_completion(&data->reset_completion);
 
@@ -1165,6 +1107,11 @@ static int mxt_soft_reset(struct mxt_data *data)
 	if (ret)
 		return ret;
 
+	/* Ignore CHG line for 100ms after reset */
+	msleep(100);
+
+	enable_irq(data->irq);
+
 	ret = mxt_wait_for_completion(data, &data->reset_completion,
 				      MXT_RESET_TIMEOUT);
 	if (ret)
@@ -1361,6 +1308,8 @@ static int mxt_upload_cfg_mem(struct mxt_data *data, unsigned int cfg_start,
 	return 0;
 }
 
+static int mxt_init_t7_power_cfg(struct mxt_data *data);
+
 /*
  * mxt_update_cfg - download configuration to chip
  *
@@ -1508,6 +1457,9 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg)
 
 	dev_info(dev, "Config successfully updated\n");
 
+	/* T7 config may have changed */
+	mxt_init_t7_power_cfg(data);
+
 release_mem:
 	kfree(config_mem);
 	return ret;
@@ -1533,7 +1485,7 @@ static int mxt_get_info(struct mxt_data *data)
 	int error;
 
 	/* Read 7-byte info block starting at address 0 */
-	error = __mxt_read_reg(client, MXT_INFO, sizeof(*info), info);
+	error = __mxt_read_reg(client, 0, sizeof(*info), info);
 	if (error)
 		return error;
 
@@ -1905,6 +1857,8 @@ static int mxt_initialize_input_device(struct mxt_data *data)
 	if (pdata->t19_num_keys) {
 		mxt_set_up_as_touchpad(input_dev, data);
 		mt_flags |= INPUT_MT_POINTER;
+	} else {
+		mt_flags |= INPUT_MT_DIRECT;
 	}
 
 	/* For multi touch */
@@ -2051,6 +2005,60 @@ err_free_object_table:
 	return error;
 }
 
+static int mxt_set_t7_power_cfg(struct mxt_data *data, u8 sleep)
+{
+	struct device *dev = &data->client->dev;
+	int error;
+	struct t7_config *new_config;
+	struct t7_config deepsleep = { .active = 0, .idle = 0 };
+
+	if (sleep == MXT_POWER_CFG_DEEPSLEEP)
+		new_config = &deepsleep;
+	else
+		new_config = &data->t7_cfg;
+
+	error = __mxt_write_reg(data->client, data->T7_address,
+				sizeof(data->t7_cfg), new_config);
+	if (error)
+		return error;
+
+	dev_dbg(dev, "Set T7 ACTV:%d IDLE:%d\n",
+		new_config->active, new_config->idle);
+
+	return 0;
+}
+
+static int mxt_init_t7_power_cfg(struct mxt_data *data)
+{
+	struct device *dev = &data->client->dev;
+	int error;
+	bool retry = false;
+
+recheck:
+	error = __mxt_read_reg(data->client, data->T7_address,
+				sizeof(data->t7_cfg), &data->t7_cfg);
+	if (error)
+		return error;
+
+	if (data->t7_cfg.active == 0 || data->t7_cfg.idle == 0) {
+		if (!retry) {
+			dev_dbg(dev, "T7 cfg zero, resetting\n");
+			mxt_soft_reset(data);
+			retry = true;
+			goto recheck;
+		} else {
+			dev_dbg(dev, "T7 cfg zero after reset, overriding\n");
+			data->t7_cfg.active = 20;
+			data->t7_cfg.idle = 100;
+			return mxt_set_t7_power_cfg(data, MXT_POWER_CFG_RUN);
+		}
+	}
+
+	dev_dbg(dev, "Initialized power cfg: ACTV %d, IDLE %d\n",
+		data->t7_cfg.active, data->t7_cfg.idle);
+	return 0;
+}
+
 static int mxt_configure_objects(struct mxt_data *data,
 				 const struct firmware *cfg)
 {
@@ -2058,6 +2066,12 @@ static int mxt_configure_objects(struct mxt_data *data,
 	struct mxt_info *info = &data->info;
 	int error;
 
+	error = mxt_init_t7_power_cfg(data);
+	if (error) {
+		dev_err(dev, "Failed to initialize power cfg\n");
+		return error;
+	}
+
 	if (cfg) {
 		error = mxt_update_cfg(data, cfg);
 		if (error)
@@ -2346,14 +2360,41 @@ static const struct attribute_group mxt_attr_group = {
 
 static void mxt_start(struct mxt_data *data)
 {
-	/* Touch enable */
-	mxt_write_object(data, data->multitouch, MXT_TOUCH_CTRL, 0x83);
+	switch (data->pdata->suspend_mode) {
+	case MXT_SUSPEND_T9_CTRL:
+		mxt_soft_reset(data);
+
+		/* Touch enable */
+		/* 0x83 = SCANEN | RPTEN | ENABLE */
+		mxt_write_object(data,
+				MXT_TOUCH_MULTI_T9, MXT_T9_CTRL, 0x83);
+		break;
+
+	case MXT_SUSPEND_DEEP_SLEEP:
+	default:
+		mxt_set_t7_power_cfg(data, MXT_POWER_CFG_RUN);
+
+		/* Recalibrate since chip has been in deep sleep */
+		mxt_t6_command(data, MXT_COMMAND_CALIBRATE, 1, false);
+		break;
+	}
+
 }
 
 static void mxt_stop(struct mxt_data *data)
 {
-	/* Touch disable */
-	mxt_write_object(data, data->multitouch, MXT_TOUCH_CTRL, 0);
+	switch (data->pdata->suspend_mode) {
+	case MXT_SUSPEND_T9_CTRL:
+		/* Touch disable */
+		mxt_write_object(data,
+				MXT_TOUCH_MULTI_T9, MXT_T9_CTRL, 0);
+		break;
+
+	case MXT_SUSPEND_DEEP_SLEEP:
+	default:
+		mxt_set_t7_power_cfg(data, MXT_POWER_CFG_DEEPSLEEP);
+		break;
+	}
 }
 
 static int mxt_input_open(struct input_dev *dev)
@@ -2376,19 +2417,18 @@ static void mxt_input_close(struct input_dev *dev)
 static const struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client)
 {
 	struct mxt_platform_data *pdata;
+	struct device_node *np = client->dev.of_node;
 	u32 *keymap;
-	u32 keycode;
-	int proplen, i, ret;
+	int proplen, ret;
 
-	if (!client->dev.of_node)
+	if (!np)
 		return ERR_PTR(-ENOENT);
 
 	pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return ERR_PTR(-ENOMEM);
 
-	if (of_find_property(client->dev.of_node, "linux,gpio-keymap",
-			     &proplen)) {
+	if (of_find_property(np, "linux,gpio-keymap", &proplen)) {
 		pdata->t19_num_keys = proplen / sizeof(u32);
 
 		keymap = devm_kzalloc(&client->dev,
@@ -2397,18 +2437,17 @@ static const struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client)
 		if (!keymap)
 			return ERR_PTR(-ENOMEM);
 
-		for (i = 0; i < pdata->t19_num_keys; i++) {
-			ret = of_property_read_u32_index(client->dev.of_node,
-					"linux,gpio-keymap", i, &keycode);
-			if (ret)
-				keycode = KEY_RESERVED;
-
-			keymap[i] = keycode;
-		}
+		ret = of_property_read_u32_array(np, "linux,gpio-keymap",
+						 keymap, pdata->t19_num_keys);
+		if (ret)
+			dev_warn(&client->dev,
+				 "Couldn't read linux,gpio-keymap: %d\n", ret);
 
 		pdata->t19_keymap = keymap;
 	}
 
+	pdata->suspend_mode = MXT_SUSPEND_DEEP_SLEEP;
+
 	return pdata;
 }
 #else
@@ -2609,6 +2648,9 @@ static int __maybe_unused mxt_suspend(struct device *dev)
 	struct mxt_data *data = i2c_get_clientdata(client);
 	struct input_dev *input_dev = data->input_dev;
 
+	if (!input_dev)
+		return 0;
+
 	mutex_lock(&input_dev->mutex);
 
 	if (input_dev->users)
@@ -2625,7 +2667,8 @@ static int __maybe_unused mxt_resume(struct device *dev)
 	struct mxt_data *data = i2c_get_clientdata(client);
 	struct input_dev *input_dev = data->input_dev;
 
-	mxt_soft_reset(data);
+	if (!input_dev)
+		return 0;
 
 	mutex_lock(&input_dev->mutex);
 
@@ -2666,7 +2709,6 @@ MODULE_DEVICE_TABLE(i2c, mxt_id);
 static struct i2c_driver mxt_driver = {
 	.driver = {
 		.name	= "atmel_mxt_ts",
-		.owner	= THIS_MODULE,
 		.of_match_table = of_match_ptr(mxt_of_match),
 		.acpi_match_table = ACPI_PTR(mxt_acpi_id),
 		.pm	= &mxt_pm_ops,
diff --git a/drivers/input/touchscreen/auo-pixcir-ts.c b/drivers/input/touchscreen/auo-pixcir-ts.c
index 40e02dd5b2f9..38c06f754acd 100644
--- a/drivers/input/touchscreen/auo-pixcir-ts.c
+++ b/drivers/input/touchscreen/auo-pixcir-ts.c
@@ -686,7 +686,6 @@ MODULE_DEVICE_TABLE(of, auo_pixcir_ts_dt_idtable);
 
 static struct i2c_driver auo_pixcir_driver = {
 	.driver = {
-		.owner	= THIS_MODULE,
 		.name	= "auo_pixcir_ts",
 		.pm	= &auo_pixcir_pm_ops,
 		.of_match_table	= of_match_ptr(auo_pixcir_ts_dt_idtable),
diff --git a/drivers/input/touchscreen/bu21013_ts.c b/drivers/input/touchscreen/bu21013_ts.c
index b9b5ddad6658..931417eb4f5a 100644
--- a/drivers/input/touchscreen/bu21013_ts.c
+++ b/drivers/input/touchscreen/bu21013_ts.c
@@ -716,7 +716,6 @@ MODULE_DEVICE_TABLE(i2c, bu21013_id);
 static struct i2c_driver bu21013_driver = {
 	.driver	= {
 		.name	=	DRIVER_TP,
-		.owner	=	THIS_MODULE,
 #ifdef CONFIG_PM
 		.pm	=	&bu21013_dev_pm_ops,
 #endif
diff --git a/drivers/input/touchscreen/chipone_icn8318.c b/drivers/input/touchscreen/chipone_icn8318.c
index 32e9db0e04bf..22a6fead8cfb 100644
--- a/drivers/input/touchscreen/chipone_icn8318.c
+++ b/drivers/input/touchscreen/chipone_icn8318.c
@@ -300,7 +300,6 @@ MODULE_DEVICE_TABLE(i2c, icn8318_i2c_id);
 
 static struct i2c_driver icn8318_driver = {
 	.driver = {
-		.owner	= THIS_MODULE,
 		.name	= "chipone_icn8318",
 		.pm	= &icn8318_pm_ops,
 		.of_match_table = icn8318_of_match,
diff --git a/drivers/input/touchscreen/cy8ctmg110_ts.c b/drivers/input/touchscreen/cy8ctmg110_ts.c
index f2119ee0e21b..cc1d1350074e 100644
--- a/drivers/input/touchscreen/cy8ctmg110_ts.c
+++ b/drivers/input/touchscreen/cy8ctmg110_ts.c
@@ -347,7 +347,6 @@ MODULE_DEVICE_TABLE(i2c, cy8ctmg110_idtable);
 
 static struct i2c_driver cy8ctmg110_driver = {
 	.driver		= {
-		.owner	= THIS_MODULE,
 		.name	= CY8CTMG110_DRIVER_NAME,
 		.pm	= &cy8ctmg110_pm,
 	},
diff --git a/drivers/input/touchscreen/cyttsp4_i2c.c b/drivers/input/touchscreen/cyttsp4_i2c.c
index 8e2012c79058..9a323dd915de 100644
--- a/drivers/input/touchscreen/cyttsp4_i2c.c
+++ b/drivers/input/touchscreen/cyttsp4_i2c.c
@@ -74,7 +74,6 @@ MODULE_DEVICE_TABLE(i2c, cyttsp4_i2c_id);
 static struct i2c_driver cyttsp4_i2c_driver = {
 	.driver = {
 		.name	= CYTTSP4_I2C_NAME,
-		.owner	= THIS_MODULE,
 		.pm	= &cyttsp4_pm_ops,
 	},
 	.probe		= cyttsp4_i2c_probe,
diff --git a/drivers/input/touchscreen/cyttsp_i2c.c b/drivers/input/touchscreen/cyttsp_i2c.c
index 63104a86a9bd..519e2de2f8df 100644
--- a/drivers/input/touchscreen/cyttsp_i2c.c
+++ b/drivers/input/touchscreen/cyttsp_i2c.c
@@ -74,7 +74,6 @@ MODULE_DEVICE_TABLE(i2c, cyttsp_i2c_id);
 static struct i2c_driver cyttsp_i2c_driver = {
 	.driver = {
 		.name	= CY_I2C_NAME,
-		.owner	= THIS_MODULE,
 		.pm	= &cyttsp_pm_ops,
 	},
 	.probe		= cyttsp_i2c_probe,
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 394b1de9a2a3..48de1e8b3c93 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -1041,7 +1041,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
 			     0, tsdata->num_y * 64 - 1, 0, 0);
 
 	if (!pdata)
-		touchscreen_parse_of_params(input, true);
+		touchscreen_parse_properties(input, true);
 
 	error = input_mt_init_slots(input, MAX_SUPPORT_POINTS, INPUT_MT_DIRECT);
 	if (error) {
@@ -1134,7 +1134,6 @@ MODULE_DEVICE_TABLE(of, edt_ft5x06_of_match);
 
 static struct i2c_driver edt_ft5x06_ts_driver = {
 	.driver = {
-		.owner = THIS_MODULE,
 		.name = "edt_ft5x06",
 		.of_match_table = of_match_ptr(edt_ft5x06_of_match),
 		.pm = &edt_ft5x06_ts_pm_ops,
diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c
index 4c56299284ef..1afc08b08155 100644
--- a/drivers/input/touchscreen/egalax_ts.c
+++ b/drivers/input/touchscreen/egalax_ts.c
@@ -264,11 +264,11 @@ static const struct of_device_id egalax_ts_dt_ids[] = {
 	{ .compatible = "eeti,egalax_ts" },
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, egalax_ts_dt_ids);
 
 static struct i2c_driver egalax_ts_driver = {
 	.driver = {
 		.name	= "egalax_ts",
-		.owner	= THIS_MODULE,
 		.pm	= &egalax_ts_pm_ops,
 		.of_match_table	= egalax_ts_dt_ids,
 	},
diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
index 0efd766a545b..ddac134b25b1 100644
--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@@ -38,6 +38,8 @@
 #include <linux/input/mt.h>
 #include <linux/acpi.h>
 #include <linux/of.h>
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
 #include <asm/unaligned.h>
 
 /* Device, Driver information */
@@ -102,6 +104,9 @@
 /* calibration timeout definition */
 #define ELAN_CALI_TIMEOUT_MSEC	10000
 
+#define ELAN_POWERON_DELAY_USEC	500
+#define ELAN_RESET_DELAY_MSEC	20
+
 enum elants_state {
 	ELAN_STATE_NORMAL,
 	ELAN_WAIT_QUEUE_HEADER,
@@ -118,6 +123,10 @@ struct elants_data {
 	struct i2c_client *client;
 	struct input_dev *input;
 
+	struct regulator *vcc33;
+	struct regulator *vccio;
+	struct gpio_desc *reset_gpio;
+
 	u16 fw_version;
 	u8 test_version;
 	u8 solution_version;
@@ -141,6 +150,7 @@ struct elants_data {
 	u8 buf[MAX_PACKET_SIZE];
 
 	bool wake_irq_enabled;
+	bool keep_power_in_suspend;
 };
 
 static int elants_i2c_send(struct i2c_client *client,
@@ -605,6 +615,7 @@ static int elants_i2c_do_update_firmware(struct i2c_client *client,
 	const u8 enter_iap[] = { 0x45, 0x49, 0x41, 0x50 };
 	const u8 enter_iap2[] = { 0x54, 0x00, 0x12, 0x34 };
 	const u8 iap_ack[] = { 0x55, 0xaa, 0x33, 0xcc };
+	const u8 close_idle[] = {0x54, 0x2c, 0x01, 0x01};
 	u8 buf[HEADER_SIZE];
 	u16 send_id;
 	int page, n_fw_pages;
@@ -617,8 +628,13 @@ static int elants_i2c_do_update_firmware(struct i2c_client *client,
 	} else {
 		/* Start IAP Procedure */
 		dev_dbg(&client->dev, "Normal IAP procedure\n");
+		/* Close idle mode */
+		error = elants_i2c_send(client, close_idle, sizeof(close_idle));
+		if (error)
+			dev_err(&client->dev, "Failed close idle: %d\n", error);
+		msleep(60);
 		elants_i2c_sw_reset(client);
-
+		msleep(20);
 		error = elants_i2c_send(client, enter_iap, sizeof(enter_iap));
 	}
 
@@ -1052,6 +1068,67 @@ static void elants_i2c_remove_sysfs_group(void *_data)
 	sysfs_remove_group(&ts->client->dev.kobj, &elants_attribute_group);
 }
 
+static int elants_i2c_power_on(struct elants_data *ts)
+{
+	int error;
+
+	/*
+	 * If we do not have reset gpio assume platform firmware
+	 * controls regulators and does power them on for us.
+	 */
+	if (IS_ERR_OR_NULL(ts->reset_gpio))
+		return 0;
+
+	gpiod_set_value_cansleep(ts->reset_gpio, 1);
+
+	error = regulator_enable(ts->vcc33);
+	if (error) {
+		dev_err(&ts->client->dev,
+			"failed to enable vcc33 regulator: %d\n",
+			error);
+		goto release_reset_gpio;
+	}
+
+	error = regulator_enable(ts->vccio);
+	if (error) {
+		dev_err(&ts->client->dev,
+			"failed to enable vccio regulator: %d\n",
+			error);
+		regulator_disable(ts->vcc33);
+		goto release_reset_gpio;
+	}
+
+	/*
+	 * We need to wait a bit after powering on controller before
+	 * we are allowed to release reset GPIO.
+	 */
+	udelay(ELAN_POWERON_DELAY_USEC);
+
+release_reset_gpio:
+	gpiod_set_value_cansleep(ts->reset_gpio, 0);
+	if (error)
+		return error;
+
+	msleep(ELAN_RESET_DELAY_MSEC);
+
+	return 0;
+}
+
+static void elants_i2c_power_off(void *_data)
+{
+	struct elants_data *ts = _data;
+
+	if (!IS_ERR_OR_NULL(ts->reset_gpio)) {
+		/*
+		 * Activate reset gpio to prevent leakage through the
+		 * pin once we shut off power to the controller.
+		 */
+		gpiod_set_value_cansleep(ts->reset_gpio, 1);
+		regulator_disable(ts->vccio);
+		regulator_disable(ts->vcc33);
+	}
+}
+
 static int elants_i2c_probe(struct i2c_client *client,
 			    const struct i2c_device_id *id)
 {
@@ -1066,13 +1143,6 @@ static int elants_i2c_probe(struct i2c_client *client,
 		return -ENXIO;
 	}
 
-	/* Make sure there is something at this address */
-	if (i2c_smbus_xfer(client->adapter, client->addr, 0,
-			I2C_SMBUS_READ, 0, I2C_SMBUS_BYTE, &dummy) < 0) {
-		dev_err(&client->dev, "nothing at this address\n");
-		return -ENXIO;
-	}
-
 	ts = devm_kzalloc(&client->dev, sizeof(struct elants_data), GFP_KERNEL);
 	if (!ts)
 		return -ENOMEM