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

Pull input subsystem updates from Dmitry Torokhov:

 - updated support for Synaptics RMI4 devices, including support for
   SMBus controllers, firmware update support, sensor tuning, and PS/2
   guest support

 - ALPS driver now supports tracksticks on SS5 controllers

 - i8042 now uses chassis info to skip selftest on Asus laptops as list
   of individual models became too unwieldy

 - miscellaneous fixes to other drivers

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (67 commits)
  Input: imx6ul_tsc - generalize the averaging property
  Input: drv260x - use generic device properties
  Input: drv260x - use temporary for &client->dev
  Input: drv260x - fix input device's parent assignment
  Input: synaptics-rmi4 - add support for F34 V7 bootloader
  Input: drv260x - fix initializing overdrive voltage
  Input: ALPS - fix protcol -> protocol
  Input: i8042 - comment #else/#endif of CONFIG_PNP
  Input: lpc32xx-keys - fix invalid error handling of a requested irq
  Input: synaptics-rmi4 - fix debug for sensor clip
  Input: synaptics-rmi4 - store the attn data in the driver
  Input: synaptics-rmi4 - allow to add attention data
  Input: synaptics-rmi4 - f03 - grab data passed by transport device
  Input: synaptics-rmi4 - add support for F03
  Input: imx6ul_tsc - convert int to u32
  Input: imx6ul_tsc - add mask when set REG_ADC_CFG
  Input: synaptics-rmi4 - have only one struct platform data
  Input: synaptics-rmi4 - remove EXPORT_SYMBOL_GPL for internal functions
  Input: synaptics-rmi4 - remove mutex calls while updating the firmware
  Input: drv2667 - fix misuse of regmap_update_bits
  ...

5 files changed, 141 insertions, 25 deletions

diff --git a/drivers/input/touchscreen/fsl-imx25-tcq.c b/drivers/input/touchscreen/fsl-imx25-tcq.c
index fe9877a6af9e..d50ee490c9cc 100644
--- a/drivers/input/touchscreen/fsl-imx25-tcq.c
+++ b/drivers/input/touchscreen/fsl-imx25-tcq.c
@@ -55,6 +55,7 @@ static const struct of_device_id mx25_tcq_ids[] = {
 	{ .compatible = "fsl,imx25-tcq", },
 	{ /* Sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, mx25_tcq_ids);
 
 #define TSC_4WIRE_PRE_INDEX 0
 #define TSC_4WIRE_X_INDEX 1
diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c
index 8275267eac25..7098e0a47019 100644
--- a/drivers/input/touchscreen/imx6ul_tsc.c
+++ b/drivers/input/touchscreen/imx6ul_tsc.c
@@ -21,17 +21,25 @@
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 #include <linux/io.h>
+#include <linux/log2.h>
 
 /* ADC configuration registers field define */
 #define ADC_AIEN		(0x1 << 7)
 #define ADC_CONV_DISABLE	0x1F
+#define ADC_AVGE		(0x1 << 5)
 #define ADC_CAL			(0x1 << 7)
 #define ADC_CALF		0x2
 #define ADC_12BIT_MODE		(0x2 << 2)
+#define ADC_CONV_MODE_MASK	(0x3 << 2)
 #define ADC_IPG_CLK		0x00
+#define ADC_INPUT_CLK_MASK	0x3
 #define ADC_CLK_DIV_8		(0x03 << 5)
+#define ADC_CLK_DIV_MASK	(0x3 << 5)
 #define ADC_SHORT_SAMPLE_MODE	(0x0 << 4)
+#define ADC_SAMPLE_MODE_MASK	(0x1 << 4)
 #define ADC_HARDWARE_TRIGGER	(0x1 << 13)
+#define ADC_AVGS_SHIFT		14
+#define ADC_AVGS_MASK		(0x3 << 14)
 #define SELECT_CHANNEL_4	0x04
 #define SELECT_CHANNEL_1	0x01
 #define DISABLE_CONVERSION_INT	(0x0 << 7)
@@ -84,8 +92,10 @@ struct imx6ul_tsc {
 	struct clk *adc_clk;
 	struct gpio_desc *xnur_gpio;
 
-	int measure_delay_time;
-	int pre_charge_time;
+	u32 measure_delay_time;
+	u32 pre_charge_time;
+	bool average_enable;
+	u32 average_select;
 
 	struct completion completion;
 };
@@ -96,17 +106,23 @@ struct imx6ul_tsc {
  */
 static int imx6ul_adc_init(struct imx6ul_tsc *tsc)
 {
-	int adc_hc = 0;
-	int adc_gc;
-	int adc_gs;
-	int adc_cfg;
-	int timeout;
+	u32 adc_hc = 0;
+	u32 adc_gc;
+	u32 adc_gs;
+	u32 adc_cfg;
+	unsigned long timeout;
 
 	reinit_completion(&tsc->completion);
 
 	adc_cfg = readl(tsc->adc_regs + REG_ADC_CFG);
+	adc_cfg &= ~(ADC_CONV_MODE_MASK | ADC_INPUT_CLK_MASK);
 	adc_cfg |= ADC_12BIT_MODE | ADC_IPG_CLK;
+	adc_cfg &= ~(ADC_CLK_DIV_MASK | ADC_SAMPLE_MODE_MASK);
 	adc_cfg |= ADC_CLK_DIV_8 | ADC_SHORT_SAMPLE_MODE;
+	if (tsc->average_enable) {
+		adc_cfg &= ~ADC_AVGS_MASK;
+		adc_cfg |= (tsc->average_select) << ADC_AVGS_SHIFT;
+	}
 	adc_cfg &= ~ADC_HARDWARE_TRIGGER;
 	writel(adc_cfg, tsc->adc_regs + REG_ADC_CFG);
 
@@ -118,6 +134,8 @@ static int imx6ul_adc_init(struct imx6ul_tsc *tsc)
 	/* start ADC calibration */
 	adc_gc = readl(tsc->adc_regs + REG_ADC_GC);
 	adc_gc |= ADC_CAL;
+	if (tsc->average_enable)
+		adc_gc |= ADC_AVGE;
 	writel(adc_gc, tsc->adc_regs + REG_ADC_GC);
 
 	timeout = wait_for_completion_timeout
@@ -148,7 +166,7 @@ static int imx6ul_adc_init(struct imx6ul_tsc *tsc)
  */
 static void imx6ul_tsc_channel_config(struct imx6ul_tsc *tsc)
 {
-	int adc_hc0, adc_hc1, adc_hc2, adc_hc3, adc_hc4;
+	u32 adc_hc0, adc_hc1, adc_hc2, adc_hc3, adc_hc4;
 
 	adc_hc0 = DISABLE_CONVERSION_INT;
 	writel(adc_hc0, tsc->adc_regs + REG_ADC_HC0);
@@ -173,8 +191,8 @@ static void imx6ul_tsc_channel_config(struct imx6ul_tsc *tsc)
  */
 static void imx6ul_tsc_set(struct imx6ul_tsc *tsc)
 {
-	int basic_setting = 0;
-	int start;
+	u32 basic_setting = 0;
+	u32 start;
 
 	basic_setting |= tsc->measure_delay_time << 8;
 	basic_setting |= DETECT_4_WIRE_MODE | AUTO_MEASURE;
@@ -209,8 +227,8 @@ static int imx6ul_tsc_init(struct imx6ul_tsc *tsc)
 
 static void imx6ul_tsc_disable(struct imx6ul_tsc *tsc)
 {
-	int tsc_flow;
-	int adc_cfg;
+	u32 tsc_flow;
+	u32 adc_cfg;
 
 	/* TSC controller enters to idle status */
 	tsc_flow = readl(tsc->tsc_regs + REG_TSC_FLOW_CONTROL);
@@ -227,8 +245,8 @@ static void imx6ul_tsc_disable(struct imx6ul_tsc *tsc)
 static bool tsc_wait_detect_mode(struct imx6ul_tsc *tsc)
 {
 	unsigned long timeout = jiffies + msecs_to_jiffies(2);
-	int state_machine;
-	int debug_mode2;
+	u32 state_machine;
+	u32 debug_mode2;
 
 	do {
 		if (time_after(jiffies, timeout))
@@ -246,10 +264,10 @@ static bool tsc_wait_detect_mode(struct imx6ul_tsc *tsc)
 static irqreturn_t tsc_irq_fn(int irq, void *dev_id)
 {
 	struct imx6ul_tsc *tsc = dev_id;
-	int status;
-	int value;
-	int x, y;
-	int start;
+	u32 status;
+	u32 value;
+	u32 x, y;
+	u32 start;
 
 	status = readl(tsc->tsc_regs + REG_TSC_INT_STATUS);
 
@@ -289,8 +307,8 @@ static irqreturn_t tsc_irq_fn(int irq, void *dev_id)
 static irqreturn_t adc_irq_fn(int irq, void *dev_id)
 {
 	struct imx6ul_tsc *tsc = dev_id;
-	int coco;
-	int value;
+	u32 coco;
+	u32 value;
 
 	coco = readl(tsc->adc_regs + REG_ADC_HS);
 	if (coco & 0x01) {
@@ -346,6 +364,7 @@ static int imx6ul_tsc_probe(struct platform_device *pdev)
 	int err;
 	int tsc_irq;
 	int adc_irq;
+	u32 average_samples;
 
 	tsc = devm_kzalloc(&pdev->dev, sizeof(*tsc), GFP_KERNEL);
 	if (!tsc)
@@ -450,6 +469,30 @@ static int imx6ul_tsc_probe(struct platform_device *pdev)
 	if (err)
 		tsc->pre_charge_time = 0xfff;
 
+	err = of_property_read_u32(np, "touchscreen-average-samples",
+				   &average_samples);
+	if (err)
+		average_samples = 1;
+
+	switch (average_samples) {
+	case 1:
+		tsc->average_enable = false;
+		tsc->average_select = 0; /* value unused; initialize anyway */
+		break;
+	case 4:
+	case 8:
+	case 16:
+	case 32:
+		tsc->average_enable = true;
+		tsc->average_select = ilog2(average_samples) - 2;
+		break;
+	default:
+		dev_err(&pdev->dev,
+			"touchscreen-average-samples (%u) must be 1, 4, 8, 16 or 32\n",
+			average_samples);
+		return -EINVAL;
+	}
+
 	err = input_register_device(tsc->input);
 	if (err) {
 		dev_err(&pdev->dev,
diff --git a/drivers/input/touchscreen/melfas_mip4.c b/drivers/input/touchscreen/melfas_mip4.c
index 552a3773f79d..703d7f983d0a 100644
--- a/drivers/input/touchscreen/melfas_mip4.c
+++ b/drivers/input/touchscreen/melfas_mip4.c
@@ -33,7 +33,7 @@
 
 /*****************************************************************
  * Protocol
- * Version : MIP 4.0 Rev 4.6
+ * Version : MIP 4.0 Rev 5.4
  *****************************************************************/
 
 /* Address */
@@ -81,6 +81,9 @@
 #define MIP4_R1_INFO_IC_HW_CATEGORY		0x77
 #define MIP4_R1_INFO_CONTACT_THD_SCR		0x78
 #define MIP4_R1_INFO_CONTACT_THD_KEY		0x7A
+#define MIP4_R1_INFO_PID				0x7C
+#define MIP4_R1_INFO_VID				0x7E
+#define MIP4_R1_INFO_SLAVE_ADDR			0x80
 
 #define MIP4_R0_EVENT				0x02
 #define MIP4_R1_EVENT_SUPPORTED_FUNC		0x00
@@ -157,7 +160,9 @@ struct mip4_ts {
 
 	char phys[32];
 	char product_name[16];
+	u16 product_id;
 	char ic_name[4];
+	char fw_name[32];
 
 	unsigned int max_x;
 	unsigned int max_y;
@@ -264,6 +269,23 @@ static int mip4_query_device(struct mip4_ts *ts)
 		dev_dbg(&ts->client->dev, "product name: %.*s\n",
 			(int)sizeof(ts->product_name), ts->product_name);
 
+	/* Product ID */
+	cmd[0] = MIP4_R0_INFO;
+	cmd[1] = MIP4_R1_INFO_PID;
+	error = mip4_i2c_xfer(ts, cmd, sizeof(cmd), buf, 2);
+	if (error) {
+		dev_warn(&ts->client->dev,
+			 "Failed to retrieve product id: %d\n", error);
+	} else {
+		ts->product_id = get_unaligned_le16(&buf[0]);
+		dev_dbg(&ts->client->dev, "product id: %04X\n", ts->product_id);
+	}
+
+	/* Firmware name */
+	snprintf(ts->fw_name, sizeof(ts->fw_name),
+		"melfas_mip4_%04X.fw", ts->product_id);
+	dev_dbg(&ts->client->dev, "firmware name: %s\n", ts->fw_name);
+
 	/* IC name */
 	cmd[0] = MIP4_R0_INFO;
 	cmd[1] = MIP4_R1_INFO_IC_NAME;
@@ -1269,11 +1291,11 @@ static ssize_t mip4_sysfs_fw_update(struct device *dev,
 	const struct firmware *fw;
 	int error;
 
-	error = request_firmware(&fw, MIP4_FW_NAME, dev);
+	error = request_firmware(&fw, ts->fw_name, dev);
 	if (error) {
 		dev_err(&ts->client->dev,
 			"Failed to retrieve firmware %s: %d\n",
-			MIP4_FW_NAME, error);
+			ts->fw_name, error);
 		return error;
 	}
 
@@ -1348,6 +1370,25 @@ static ssize_t mip4_sysfs_read_hw_version(struct device *dev,
 
 static DEVICE_ATTR(hw_version, S_IRUGO, mip4_sysfs_read_hw_version, NULL);
 
+static ssize_t mip4_sysfs_read_product_id(struct device *dev,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct mip4_ts *ts = i2c_get_clientdata(client);
+	size_t count;
+
+	mutex_lock(&ts->input->mutex);
+
+	count = snprintf(buf, PAGE_SIZE, "%04X\n", ts->product_id);
+
+	mutex_unlock(&ts->input->mutex);
+
+	return count;
+}
+
+static DEVICE_ATTR(product_id, S_IRUGO, mip4_sysfs_read_product_id, NULL);
+
 static ssize_t mip4_sysfs_read_ic_name(struct device *dev,
 					  struct device_attribute *attr,
 					  char *buf)
@@ -1371,6 +1412,7 @@ static DEVICE_ATTR(ic_name, S_IRUGO, mip4_sysfs_read_ic_name, NULL);
 static struct attribute *mip4_attrs[] = {
 	&dev_attr_fw_version.attr,
 	&dev_attr_hw_version.attr,
+	&dev_attr_product_id.attr,
 	&dev_attr_ic_name.attr,
 	&dev_attr_update_fw.attr,
 	NULL,
@@ -1435,6 +1477,7 @@ static int mip4_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
 	input->id.bustype = BUS_I2C;
 	input->id.vendor = 0x13c5;
+	input->id.product = ts->product_id;
 
 	input->open = mip4_input_open;
 	input->close = mip4_input_close;
@@ -1572,6 +1615,6 @@ static struct i2c_driver mip4_driver = {
 module_i2c_driver(mip4_driver);
 
 MODULE_DESCRIPTION("MELFAS MIP4 Touchscreen");
-MODULE_VERSION("2016.09.28");
+MODULE_VERSION("2016.10.31");
 MODULE_AUTHOR("Sangwon Jee <jeesw@melfas.com>");
 MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c
index a99fb5cac5a0..2658afa016c9 100644
--- a/drivers/input/touchscreen/raydium_i2c_ts.c
+++ b/drivers/input/touchscreen/raydium_i2c_ts.c
@@ -669,7 +669,7 @@ static int raydium_i2c_do_update_firmware(struct raydium_data *ts,
 
 		if (ts->boot_mode == RAYDIUM_TS_MAIN) {
 			dev_err(&client->dev,
-				"failied to jump to boot loader: %d\n",
+				"failed to jump to boot loader: %d\n",
 				error);
 			return -EIO;
 		}
diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c
index f502c8488be8..404830a4a366 100644
--- a/drivers/input/touchscreen/silead.c
+++ b/drivers/input/touchscreen/silead.c
@@ -29,6 +29,7 @@
 #include <linux/input/touchscreen.h>
 #include <linux/pm.h>
 #include <linux/irq.h>
+#include <linux/regulator/consumer.h>
 
 #include <asm/unaligned.h>
 
@@ -73,6 +74,7 @@ struct silead_ts_data {
 	struct i2c_client *client;
 	struct gpio_desc *gpio_power;
 	struct input_dev *input;
+	struct regulator_bulk_data regulators[2];
 	char fw_name[64];
 	struct touchscreen_properties prop;
 	u32 max_fingers;
@@ -433,6 +435,13 @@ static int silead_ts_set_default_fw_name(struct silead_ts_data *data,
 }
 #endif
 
+static void silead_disable_regulator(void *arg)
+{
+	struct silead_ts_data *data = arg;
+
+	regulator_bulk_disable(ARRAY_SIZE(data->regulators), data->regulators);
+}
+
 static int silead_ts_probe(struct i2c_client *client,
 			   const struct i2c_device_id *id)
 {
@@ -465,6 +474,26 @@ static int silead_ts_probe(struct i2c_client *client,
 	if (client->irq <= 0)
 		return -ENODEV;
 
+	data->regulators[0].supply = "vddio";
+	data->regulators[1].supply = "avdd";
+	error = devm_regulator_bulk_get(dev, ARRAY_SIZE(data->regulators),
+					data->regulators);
+	if (error)
+		return error;
+
+	/*
+	 * Enable regulators at probe and disable them at remove, we need
+	 * to keep the chip powered otherwise it forgets its firmware.
+	 */
+	error = regulator_bulk_enable(ARRAY_SIZE(data->regulators),
+				      data->regulators);
+	if (error)
+		return error;
+
+	error = devm_add_action_or_reset(dev, silead_disable_regulator, data);
+	if (error)
+		return error;
+
 	/* Power GPIO pin */
 	data->gpio_power = devm_gpiod_get_optional(dev, "power", GPIOD_OUT_LOW);
 	if (IS_ERR(data->gpio_power)) {