Merge branch 'next' into for-linus

9 files changed, 476 insertions, 141 deletions

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index dfafc76da4fb..6457e060ae49 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -90,7 +90,6 @@ config TOUCHSCREEN_CORGI
 	tristate "SharpSL (Corgi and Spitz series) touchscreen driver (DEPRECATED)"
 	depends on PXA_SHARPSL
 	select CORGI_SSP_DEPRECATED
-	default y
 	help
 	  Say Y here to enable the driver for the touchscreen on the
 	  Sharp SL-C7xx and SL-Cxx00 series of PDAs.
@@ -537,6 +536,11 @@ config TOUCHSCREEN_USB_ETT_TC5UH
 	bool "ET&T TC5UH touchscreen controler support" if EMBEDDED
 	depends on TOUCHSCREEN_USB_COMPOSITE
 
+config TOUCHSCREEN_USB_NEXIO
+	default y
+	bool "NEXIO/iNexio device support" if EMBEDDED
+	depends on TOUCHSCREEN_USB_COMPOSITE
+
 config TOUCHSCREEN_TOUCHIT213
 	tristate "Sahara TouchIT-213 touchscreen"
 	select SERIO
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 52d2ca147d8f..8b05d8e97543 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -27,6 +27,7 @@
 #include <linux/gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
+#include <linux/regulator/consumer.h>
 #include <asm/irq.h>
 
 /*
@@ -85,6 +86,7 @@ struct ads7846 {
 	char			name[32];
 
 	struct spi_device	*spi;
+	struct regulator	*reg;
 
 #if defined(CONFIG_HWMON) || defined(CONFIG_HWMON_MODULE)
 	struct attribute_group	*attr_group;
@@ -788,6 +790,8 @@ static void ads7846_disable(struct ads7846 *ts)
 		}
 	}
 
+	regulator_disable(ts->reg);
+
 	/* we know the chip's in lowpower mode since we always
 	 * leave it that way after every request
 	 */
@@ -799,6 +803,8 @@ static void ads7846_enable(struct ads7846 *ts)
 	if (!ts->disabled)
 		return;
 
+	regulator_enable(ts->reg);
+
 	ts->disabled = 0;
 	ts->irq_disabled = 0;
 	enable_irq(ts->spi->irq);
@@ -1139,6 +1145,19 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 
 	ts->last_msg = m;
 
+	ts->reg = regulator_get(&spi->dev, "vcc");
+	if (IS_ERR(ts->reg)) {
+		dev_err(&spi->dev, "unable to get regulator: %ld\n",
+			PTR_ERR(ts->reg));
+		goto err_free_gpio;
+	}
+
+	err = regulator_enable(ts->reg);
+	if (err) {
+		dev_err(&spi->dev, "unable to enable regulator: %d\n", err);
+		goto err_put_regulator;
+	}
+
 	if (request_irq(spi->irq, ads7846_irq, IRQF_TRIGGER_FALLING,
 			spi->dev.driver->name, ts)) {
 		dev_info(&spi->dev,
@@ -1148,7 +1167,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 				  spi->dev.driver->name, ts);
 		if (err) {
 			dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
-			goto err_free_gpio;
+			goto err_disable_regulator;
 		}
 	}
 
@@ -1180,6 +1199,10 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 	ads784x_hwmon_unregister(spi, ts);
  err_free_irq:
 	free_irq(spi->irq, ts);
+ err_disable_regulator:
+	regulator_disable(ts->reg);
+ err_put_regulator:
+	regulator_put(ts->reg);
  err_free_gpio:
 	if (ts->gpio_pendown != -1)
 		gpio_free(ts->gpio_pendown);
@@ -1208,6 +1231,9 @@ static int __devexit ads7846_remove(struct spi_device *spi)
 	/* suspend left the IRQ disabled */
 	enable_irq(ts->spi->irq);
 
+	regulator_disable(ts->reg);
+	regulator_put(ts->reg);
+
 	if (ts->gpio_pendown != -1)
 		gpio_free(ts->gpio_pendown);
 
diff --git a/drivers/input/touchscreen/elo.c b/drivers/input/touchscreen/elo.c
index 8f38c5e55ce6..486d31ba9c09 100644
--- a/drivers/input/touchscreen/elo.c
+++ b/drivers/input/touchscreen/elo.c
@@ -72,45 +72,49 @@ static void elo_process_data_10(struct elo *elo, unsigned char data)
 	struct input_dev *dev = elo->dev;
 
 	elo->data[elo->idx] = data;
-	switch (elo->idx++) {
-		case 0:
-			elo->csum = 0xaa;
-			if (data != ELO10_LEAD_BYTE) {
-				pr_debug("elo: unsynchronized data: 0x%02x\n", data);
-				elo->idx = 0;
-			}
-			break;
 
-		case 9:
+	switch (elo->idx++) {
+	case 0:
+		elo->csum = 0xaa;
+		if (data != ELO10_LEAD_BYTE) {
+			dev_dbg(&elo->serio->dev,
+				"unsynchronized data: 0x%02x\n", data);
 			elo->idx = 0;
-			if (data != elo->csum) {
-				pr_debug("elo: bad checksum: 0x%02x, expected 0x%02x\n",
-					 data, elo->csum);
-				break;
-			}
-			if (elo->data[1] != elo->expected_packet) {
-				if (elo->data[1] != ELO10_TOUCH_PACKET)
-					pr_debug("elo: unexpected packet: 0x%02x\n",
-						 elo->data[1]);
-				break;
-			}
-			if (likely(elo->data[1] == ELO10_TOUCH_PACKET)) {
-				input_report_abs(dev, ABS_X, (elo->data[4] << 8) | elo->data[3]);
-				input_report_abs(dev, ABS_Y, (elo->data[6] << 8) | elo->data[5]);
-				if (elo->data[2] & ELO10_PRESSURE)
-					input_report_abs(dev, ABS_PRESSURE,
-							(elo->data[8] << 8) | elo->data[7]);
-				input_report_key(dev, BTN_TOUCH, elo->data[2] & ELO10_TOUCH);
-				input_sync(dev);
-			} else if (elo->data[1] == ELO10_ACK_PACKET) {
-				if (elo->data[2] == '0')
-					elo->expected_packet = ELO10_TOUCH_PACKET;
-				complete(&elo->cmd_done);
-			} else {
-				memcpy(elo->response, &elo->data[1], ELO10_PACKET_LEN);
-				elo->expected_packet = ELO10_ACK_PACKET;
-			}
+		}
+		break;
+
+	case 9:
+		elo->idx = 0;
+		if (data != elo->csum) {
+			dev_dbg(&elo->serio->dev,
+				"bad checksum: 0x%02x, expected 0x%02x\n",
+				 data, elo->csum);
+			break;
+		}
+		if (elo->data[1] != elo->expected_packet) {
+			if (elo->data[1] != ELO10_TOUCH_PACKET)
+				dev_dbg(&elo->serio->dev,
+					"unexpected packet: 0x%02x\n",
+					 elo->data[1]);
 			break;
+		}
+		if (likely(elo->data[1] == ELO10_TOUCH_PACKET)) {
+			input_report_abs(dev, ABS_X, (elo->data[4] << 8) | elo->data[3]);
+			input_report_abs(dev, ABS_Y, (elo->data[6] << 8) | elo->data[5]);
+			if (elo->data[2] & ELO10_PRESSURE)
+				input_report_abs(dev, ABS_PRESSURE,
+						(elo->data[8] << 8) | elo->data[7]);
+			input_report_key(dev, BTN_TOUCH, elo->data[2] & ELO10_TOUCH);
+			input_sync(dev);
+		} else if (elo->data[1] == ELO10_ACK_PACKET) {
+			if (elo->data[2] == '0')
+				elo->expected_packet = ELO10_TOUCH_PACKET;
+			complete(&elo->cmd_done);
+		} else {
+			memcpy(elo->response, &elo->data[1], ELO10_PACKET_LEN);
+			elo->expected_packet = ELO10_ACK_PACKET;
+		}
+		break;
 	}
 	elo->csum += data;
 }
@@ -123,42 +127,53 @@ static void elo_process_data_6(struct elo *elo, unsigned char data)
 
 	switch (elo->idx++) {
 
-		case 0: if ((data & 0xc0) != 0xc0) elo->idx = 0; break;
-		case 1: if ((data & 0xc0) != 0x80) elo->idx = 0; break;
-		case 2: if ((data & 0xc0) != 0x40) elo->idx = 0; break;
-
-		case 3:
-			if (data & 0xc0) {
-				elo->idx = 0;
-				break;
-			}
+	case 0:
+		if ((data & 0xc0) != 0xc0)
+			elo->idx = 0;
+		break;
 
-			input_report_abs(dev, ABS_X, ((elo->data[0] & 0x3f) << 6) | (elo->data[1] & 0x3f));
-			input_report_abs(dev, ABS_Y, ((elo->data[2] & 0x3f) << 6) | (elo->data[3] & 0x3f));
+	case 1:
+		if ((data & 0xc0) != 0x80)
+			elo->idx = 0;
+		break;
 
-			if (elo->id == 2) {
-				input_report_key(dev, BTN_TOUCH, 1);
-				input_sync(dev);
-				elo->idx = 0;
-			}
+	case 2:
+		if ((data & 0xc0) != 0x40)
+			elo->idx = 0;
+		break;
 
+	case 3:
+		if (data & 0xc0) {
+			elo->idx = 0;
 			break;
+		}
 
-		case 4:
-			if (data) {
-				input_sync(dev);
-				elo->idx = 0;
-			}
-			break;
+		input_report_abs(dev, ABS_X, ((elo->data[0] & 0x3f) << 6) | (elo->data[1] & 0x3f));
+		input_report_abs(dev, ABS_Y, ((elo->data[2] & 0x3f) << 6) | (elo->data[3] & 0x3f));
 
-		case 5:
-			if ((data & 0xf0) == 0) {
-				input_report_abs(dev, ABS_PRESSURE, elo->data[5]);
-				input_report_key(dev, BTN_TOUCH, !!elo->data[5]);
-			}
+		if (elo->id == 2) {
+			input_report_key(dev, BTN_TOUCH, 1);
 			input_sync(dev);
 			elo->idx = 0;
-			break;
+		}
+
+		break;
+
+	case 4:
+		if (data) {
+			input_sync(dev);
+			elo->idx = 0;
+		}
+		break;
+
+	case 5:
+		if ((data & 0xf0) == 0) {
+			input_report_abs(dev, ABS_PRESSURE, elo->data[5]);
+			input_report_key(dev, BTN_TOUCH, !!elo->data[5]);
+		}
+		input_sync(dev);
+		elo->idx = 0;
+		break;
 	}
 }
 
@@ -170,17 +185,17 @@ static void elo_process_data_3(struct elo *elo, unsigned char data)
 
 	switch (elo->idx++) {
 
-		case 0:
-			if ((data & 0x7f) != 0x01)
-				elo->idx = 0;
-			break;
-		case 2:
-			input_report_key(dev, BTN_TOUCH, !(elo->data[1] & 0x80));
-			input_report_abs(dev, ABS_X, elo->data[1]);
-			input_report_abs(dev, ABS_Y, elo->data[2]);
-			input_sync(dev);
+	case 0:
+		if ((data & 0x7f) != 0x01)
 			elo->idx = 0;
-			break;
+		break;
+	case 2:
+		input_report_key(dev, BTN_TOUCH, !(elo->data[1] & 0x80));
+		input_report_abs(dev, ABS_X, elo->data[1]);
+		input_report_abs(dev, ABS_Y, elo->data[2]);
+		input_sync(dev);
+		elo->idx = 0;
+		break;
 	}
 }
 
@@ -189,19 +204,19 @@ static irqreturn_t elo_interrupt(struct serio *serio,
 {
 	struct elo *elo = serio_get_drvdata(serio);
 
-	switch(elo->id) {
-		case 0:
-			elo_process_data_10(elo, data);
-			break;
-
-		case 1:
-		case 2:
-			elo_process_data_6(elo, data);
-			break;
-
-		case 3:
-			elo_process_data_3(elo, data);
-			break;
+	switch (elo->id) {
+	case 0:
+		elo_process_data_10(elo, data);
+		break;
+
+	case 1:
+	case 2:
+		elo_process_data_6(elo, data);
+		break;
+
+	case 3:
+		elo_process_data_3(elo, data);
+		break;
 	}
 
 	return IRQ_HANDLED;
@@ -261,10 +276,10 @@ static int elo_setup_10(struct elo *elo)
 	if (packet[3] & ELO10_PRESSURE)
 		input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
 
-	printk(KERN_INFO "elo: %sTouch touchscreen, fw: %02x.%02x, "
-		"features: 0x%02x, controller: 0x%02x\n",
-		elo_types[(packet[1] -'0') & 0x03],
-		packet[5], packet[4], packet[3], packet[7]);
+	dev_info(&elo->serio->dev,
+		 "%sTouch touchscreen, fw: %02x.%02x, features: 0x%02x, controller: 0x%02x\n",
+		 elo_types[(packet[1] -'0') & 0x03],
+		 packet[5], packet[4], packet[3], packet[7]);
 
 	return 0;
 }
@@ -330,24 +345,24 @@ static int elo_connect(struct serio *serio, struct serio_driver *drv)
 
 	switch (elo->id) {
 
-		case 0: /* 10-byte protocol */
-			if (elo_setup_10(elo))
-				goto fail3;
+	case 0: /* 10-byte protocol */
+		if (elo_setup_10(elo))
+			goto fail3;
 
-			break;
+		break;
 
-		case 1: /* 6-byte protocol */
-			input_set_abs_params(input_dev, ABS_PRESSURE, 0, 15, 0, 0);
+	case 1: /* 6-byte protocol */
+		input_set_abs_params(input_dev, ABS_PRESSURE, 0, 15, 0, 0);
 
-		case 2: /* 4-byte protocol */
-			input_set_abs_params(input_dev, ABS_X, 96, 4000, 0, 0);
-			input_set_abs_params(input_dev, ABS_Y, 96, 4000, 0, 0);
-			break;
+	case 2: /* 4-byte protocol */
+		input_set_abs_params(input_dev, ABS_X, 96, 4000, 0, 0);
+		input_set_abs_params(input_dev, ABS_Y, 96, 4000, 0, 0);
+		break;
 
-		case 3: /* 3-byte protocol */
-			input_set_abs_params(input_dev, ABS_X, 0, 255, 0, 0);
-			input_set_abs_params(input_dev, ABS_Y, 0, 255, 0, 0);
-			break;
+	case 3: /* 3-byte protocol */
+		input_set_abs_params(input_dev, ABS_X, 0, 255, 0, 0);
+		input_set_abs_params(input_dev, ABS_Y, 0, 255, 0, 0);
+		break;
 	}
 
 	err = input_register_device(elo->dev);
diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c
index 6cdcf2a6e036..b6b8b1c7ecea 100644
--- a/drivers/input/touchscreen/mainstone-wm97xx.c
+++ b/drivers/input/touchscreen/mainstone-wm97xx.c
@@ -153,6 +153,9 @@ static int wm97xx_acc_pen_down(struct wm97xx *wm)
 		if (pressure)
 			p = MODR;
 
+		dev_dbg(wm->dev, "Raw coordinates: x=%x, y=%x, p=%x\n",
+			x, y, p);
+
 		/* are samples valid */
 		if ((x & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_X ||
 		    (y & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_Y ||
diff --git a/drivers/input/touchscreen/pcap_ts.c b/drivers/input/touchscreen/pcap_ts.c
index 67fcd33595de..b79097e3028a 100644
--- a/drivers/input/touchscreen/pcap_ts.c
+++ b/drivers/input/touchscreen/pcap_ts.c
@@ -233,7 +233,7 @@ static int pcap_ts_resume(struct device *dev)
 	return 0;
 }
 
-static struct dev_pm_ops pcap_ts_pm_ops = {
+static const struct dev_pm_ops pcap_ts_pm_ops = {
 	.suspend	= pcap_ts_suspend,
 	.resume		= pcap_ts_resume,
 };
diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c
index 6386b441ef85..3755a47d053c 100644
--- a/drivers/input/touchscreen/s3c2410_ts.c
+++ b/drivers/input/touchscreen/s3c2410_ts.c
@@ -128,27 +128,29 @@ static void touch_timer_fire(unsigned long data)
 
 	down = get_down(data0, data1);
 
-	if (ts.count == (1 << ts.shift)) {
-		ts.xp >>= ts.shift;
-		ts.yp >>= ts.shift;
+	if (down) {
+		if (ts.count == (1 << ts.shift)) {
+			ts.xp >>= ts.shift;
+			ts.yp >>= ts.shift;
 
-		dev_dbg(ts.dev, "%s: X=%lu, Y=%lu, count=%d\n",
-			__func__, ts.xp, ts.yp, ts.count);
+			dev_dbg(ts.dev, "%s: X=%lu, Y=%lu, count=%d\n",
+				__func__, ts.xp, ts.yp, ts.count);
 
-		input_report_abs(ts.input, ABS_X, ts.xp);
-		input_report_abs(ts.input, ABS_Y, ts.yp);
+			input_report_abs(ts.input, ABS_X, ts.xp);
+			input_report_abs(ts.input, ABS_Y, ts.yp);
 
-		input_report_key(ts.input, BTN_TOUCH, 1);
-		input_sync(ts.input);
+			input_report_key(ts.input, BTN_TOUCH, 1);
+			input_sync(ts.input);
 
-		ts.xp = 0;
-		ts.yp = 0;
-		ts.count = 0;
-	}
+			ts.xp = 0;
+			ts.yp = 0;
+			ts.count = 0;
+		}
 
-	if (down) {
 		s3c_adc_start(ts.client, 0, 1 << ts.shift);
 	} else {
+		ts.xp = 0;
+		ts.yp = 0;
 		ts.count = 0;
 
 		input_report_key(ts.input, BTN_TOUCH, 0);
@@ -401,6 +403,7 @@ static int s3c2410ts_resume(struct device *dev)
 	struct s3c2410_ts_mach_info *info = pdev->dev.platform_data;
 
 	clk_enable(ts.clock);
+	enable_irq(ts.irq_tc);
 
 	/* Initialise registers */
 	if ((info->delay & 0xffff) > 0)
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index 7ef0d1420d3c..be23780e8a3e 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@@ -358,7 +358,7 @@ static int __devexit tsc2007_remove(struct i2c_client *client)
 	return 0;
 }
 
-static struct i2c_device_id tsc2007_idtable[] = {
+static const struct i2c_device_id tsc2007_idtable[] = {
 	{ "tsc2007", 0 },
 	{ }
 };
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 5256123a5228..99330bbdbac7 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -15,6 +15,7 @@
  *  - GoTop Super_Q2/GogoPen/PenPower tablets
  *  - JASTEC USB touch controller/DigiTech DTR-02U
  *  - Zytronic capacitive touchscreen
+ *  - NEXIO/iNexio
  *
  * Copyright (C) 2004-2007 by Daniel Ritz <daniel.ritz@gmx.ch>
  * Copyright (C) by Todd E. Johnson (mtouchusb.c)
@@ -95,6 +96,7 @@ struct usbtouch_device_info {
 
 	int  (*read_data)   (struct usbtouch_usb *usbtouch, unsigned char *pkt);
 	int  (*init)        (struct usbtouch_usb *usbtouch);
+	void (*exit)	    (struct usbtouch_usb *usbtouch);
 };
 
 /* a usbtouch device */
@@ -104,11 +106,12 @@ struct usbtouch_usb {
 	unsigned char *buffer;
 	int buf_len;
 	struct urb *irq;
-	struct usb_device *udev;
+	struct usb_interface *interface;
 	struct input_dev *input;
 	struct usbtouch_device_info *type;
 	char name[128];
 	char phys[64];
+	void *priv;
 
 	int x, y;
 	int touch, press;
@@ -133,6 +136,7 @@ enum {
 	DEVTYPE_E2I,
 	DEVTYPE_ZYTRONIC,
 	DEVTYPE_TC5UH,
+	DEVTYPE_NEXIO,
 };
 
 #define USB_DEVICE_HID_CLASS(vend, prod) \
@@ -144,7 +148,7 @@ enum {
 	.bInterfaceClass = USB_INTERFACE_CLASS_HID, \
 	.bInterfaceProtocol = USB_INTERFACE_PROTOCOL_MOUSE
 
-static struct usb_device_id usbtouch_devices[] = {
+static const struct usb_device_id usbtouch_devices[] = {
 #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX
 	/* ignore the HID capable devices, handled by usbhid */
 	{USB_DEVICE_HID_CLASS(0x0eef, 0x0001), .driver_info = DEVTYPE_IGNORE},
@@ -222,6 +226,14 @@ static struct usb_device_id usbtouch_devices[] = {
 	{USB_DEVICE(0x0664, 0x0309), .driver_info = DEVTYPE_TC5UH},
 #endif
 
+#ifdef CONFIG_TOUCHSCREEN_USB_NEXIO
+	/* data interface only */
+	{USB_DEVICE_AND_INTERFACE_INFO(0x10f0, 0x2002, 0x0a, 0x00, 0x00),
+		.driver_info = DEVTYPE_NEXIO},
+	{USB_DEVICE_AND_INTERFACE_INFO(0x1870, 0x0001, 0x0a, 0x00, 0x00),
+		.driver_info = DEVTYPE_NEXIO},
+#endif
+
 	{}
 };
 
@@ -234,8 +246,9 @@ static struct usb_device_id usbtouch_devices[] = {
 static int e2i_init(struct usbtouch_usb *usbtouch)
 {
 	int ret;
+	struct usb_device *udev = interface_to_usbdev(usbtouch->interface);
 
-	ret = usb_control_msg(usbtouch->udev, usb_rcvctrlpipe(usbtouch->udev, 0),
+	ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 	                      0x01, 0x02, 0x0000, 0x0081,
 	                      NULL, 0, USB_CTRL_SET_TIMEOUT);
 
@@ -344,8 +357,9 @@ static int mtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
 static int mtouch_init(struct usbtouch_usb *usbtouch)
 {
 	int ret, i;
+	struct usb_device *udev = interface_to_usbdev(usbtouch->interface);
 
-	ret = usb_control_msg(usbtouch->udev, usb_rcvctrlpipe(usbtouch->udev, 0),
+	ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 	                      MTOUCHUSB_RESET,
 	                      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 	                      1, 0, NULL, 0, USB_CTRL_SET_TIMEOUT);
@@ -356,7 +370,7 @@ static int mtouch_init(struct usbtouch_usb *usbtouch)
 	msleep(150);
 
 	for (i = 0; i < 3; i++) {
-		ret = usb_control_msg(usbtouch->udev, usb_rcvctrlpipe(usbtouch->udev, 0),
+		ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 				      MTOUCHUSB_ASYNC_REPORT,
 				      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 				      1, 1, NULL, 0, USB_CTRL_SET_TIMEOUT);
@@ -489,7 +503,7 @@ static int gunze_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
 
 static int dmc_tsc10_init(struct usbtouch_usb *usbtouch)
 {
-	struct usb_device *dev = usbtouch->udev;
+	struct usb_device *dev = interface_to_usbdev(usbtouch->interface);
 	int ret = -ENOMEM;
 	unsigned char *buf;
 
@@ -690,6 +704,229 @@ static int zytronic_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
 #endif
 
 /*****************************************************************************
+ * NEXIO Part
+ */
+#ifdef CONFIG_TOUCHSCREEN_USB_NEXIO
+
+#define NEXIO_TIMEOUT	5000
+#define NEXIO_BUFSIZE	1024
+#define NEXIO_THRESHOLD	50
+
+struct nexio_priv {
+	struct urb *ack;
+	unsigned char *ack_buf;
+};
+
+struct nexio_touch_packet {
+	u8	flags;		/* 0xe1 = touch, 0xe1 = release */
+	__be16	data_len;	/* total bytes of touch data */
+	__be16	x_len;		/* bytes for X axis */
+	__be16	y_len;		/* bytes for Y axis */
+	u8	data[];
+} __attribute__ ((packed));
+
+static unsigned char nexio_ack_pkt[2] = { 0xaa, 0x02 };
+static unsigned char nexio_init_pkt[4] = { 0x82, 0x04, 0x0a, 0x0f };
+
+static void nexio_ack_complete(struct urb *urb)
+{
+}
+
+static int nexio_init(struct usbtouch_usb *usbtouch)
+{
+	struct usb_device *dev = interface_to_usbdev(usbtouch->interface);
+	struct usb_host_interface *interface = usbtouch->interface->cur_altsetting;
+	struct nexio_priv *priv;
+	int ret = -ENOMEM;
+	int actual_len, i;
+	unsigned char *buf;
+	char *firmware_ver = NULL, *device_name = NULL;
+	int input_ep = 0, output_ep = 0;
+
+	/* find first input and output endpoint */
+	for (i = 0; i < interface->desc.bNumEndpoints; i++) {
+		if (!input_ep &&
+		    usb_endpoint_dir_in(&interface->endpoint[i].desc))
+			input_ep = interface->endpoint[i].desc.bEndpointAddress;
+		if (!output_ep &&
+		    usb_endpoint_dir_out(&interface->endpoint[i].desc))
+			output_ep = interface->endpoint[i].desc.bEndpointAddress;
+	}
+	if (!input_ep || !output_ep)
+		return -ENXIO;
+
+	buf = kmalloc(NEXIO_BUFSIZE, GFP_KERNEL);
+	if (!buf)
+		goto out_buf;
+
+	/* two empty reads */
+	for (i = 0; i < 2; i++) {
+		ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, input_ep),
+				   buf, NEXIO_BUFSIZE, &actual_len,
+				   NEXIO_TIMEOUT);
+		if (ret < 0)
+			goto out_buf;
+	}
+
+	/* send init command */
+	memcpy(buf, nexio_init_pkt, sizeof(nexio_init_pkt));
+	ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, output_ep),
+			   buf, sizeof(nexio_init_pkt), &actual_len,
+			   NEXIO_TIMEOUT);
+	if (ret < 0)
+		goto out_buf;
+
+	/* read replies */
+	for (i = 0; i < 3; i++) {
+		memset(buf, 0, NEXIO_BUFSIZE);
+		ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, input_ep),
+				   buf, NEXIO_BUFSIZE, &actual_len,
+				   NEXIO_TIMEOUT);
+		if (ret < 0 || actual_len < 1 || buf[1] != actual_len)
+			continue;
+		switch (buf[0]) {
+		case 0x83:	/* firmware version */
+			if (!firmware_ver)
+				firmware_ver = kstrdup(&buf[2], GFP_KERNEL);
+			break;
+		case 0x84:	/* device name */
+			if (!device_name)
+				device_name = kstrdup(&buf[2], GFP_KERNEL);
+			break;
+		}
+	}
+
+	printk(KERN_INFO "Nexio device: %s, firmware version: %s\n",
+	       device_name, firmware_ver);
+
+	kfree(firmware_ver);
+	kfree(device_name);
+
+	/* prepare ACK URB */
+	ret = -ENOMEM;
+
+	usbtouch->priv = kmalloc(sizeof(struct nexio_priv), GFP_KERNEL);
+	if (!usbtouch->priv)
+		goto out_buf;
+
+	priv = usbtouch->priv;
+
+	priv->ack_buf = kmalloc(sizeof(nexio_ack_pkt), GFP_KERNEL);
+	if (!priv->ack_buf)
+		goto err_priv;
+
+	memcpy(priv->ack_buf, nexio_ack_pkt, sizeof(nexio_ack_pkt));
+
+	priv->ack = usb_alloc_urb(0, GFP_KERNEL);
+	if (!priv->ack) {
+		dbg("%s - usb_alloc_urb failed: usbtouch->ack", __func__);
+		goto err_ack_buf;
+	}
+
+	usb_fill_bulk_urb(priv->ack, dev, usb_sndbulkpipe(dev, output_ep),
+			  priv->ack_buf, sizeof(nexio_ack_pkt),
+			  nexio_ack_complete, usbtouch);
+	ret = 0;
+	goto out_buf;
+
+err_ack_buf:
+	kfree(priv->ack_buf);
+err_priv:
+	kfree(priv);
+out_buf:
+	kfree(buf);
+	return ret;
+}
+
+static void nexio_exit(struct usbtouch_usb *usbtouch)
+{
+	struct nexio_priv *priv = usbtouch->priv;
+
+	usb_kill_urb(priv->ack);
+	usb_free_urb(priv->ack);
+	kfree(priv->ack_buf);
+	kfree(priv);
+}
+
+static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)
+{
+	int x, y, begin_x, begin_y, end_x, end_y, w, h, ret;
+	struct nexio_touch_packet *packet = (void *) pkt;
+	struct nexio_priv *priv = usbtouch->priv;
+
+	/* got touch data? */
+	if ((pkt[0] & 0xe0) != 0xe0)
+		return 0;
+
+	/* send ACK */
+	ret = usb_submit_urb(priv->ack, GFP_ATOMIC);
+
+	if (!usbtouch->type->max_xc) {
+		usbtouch->type->max_xc = 2 * be16_to_cpu(packet->x_len);
+		input_set_abs_params(usbtouch->input, ABS_X, 0,
+				     2 * be16_to_cpu(packet->x_len), 0, 0);
+		usbtouch->type->max_yc = 2 * be16_to_cpu(packet->y_len);
+		input_set_abs_params(usbtouch->input, ABS_Y, 0,
+				     2 * be16_to_cpu(packet->y_len), 0, 0);
+	}
+	/*
+	 * The device reports state of IR sensors on X and Y axes.
+	 * Each byte represents "darkness" percentage (0-100) of one element.
+	 * 17" touchscreen reports only 64 x 52 bytes so the resolution is low.
+	 * This also means that there's a limited multi-touch capability but
+	 * it's disabled (and untested) here as there's no X driver for that.
+	 */
+	begin_x = end_x = begin_y = end_y = -1;
+	for (x = 0; x < be16_to_cpu(packet->x_len); x++) {
+		if (begin_x == -1 && packet->data[x] > NEXIO_THRESHOLD) {
+			begin_x = x;
+			continue;
+		}
+		if (end_x == -1 && begin_x != -1 && packet->data[x] < NEXIO_THRESHOLD) {
+			end_x = x - 1;
+			for (y = be16_to_cpu(packet->x_len);
+			     y < be16_to_cpu(packet->data_len); y++) {
+				if (begin_y == -1 && packet->data[y] > NEXIO_THRESHOLD) {
+					begin_y = y - be16_to_cpu(packet->x_len);
+					continue;
+				}
+				if (end_y == -1 &&
+				    begin_y != -1 && packet->data[y] < NEXIO_THRESHOLD) {
+					end_y = y - 1 - be16_to_cpu(packet->x_len);
+					w = end_x - begin_x;
+					h = end_y - begin_y;
+#if 0
+					/* multi-touch */
+					input_report_abs(usbtouch->input,
+						    ABS_MT_TOUCH_MAJOR, max(w,h));
+					input_report_abs(usbtouch->input,
+						    ABS_MT_TOUCH_MINOR, min(x,h));
+					input_report_abs(usbtouch->input,
+						    ABS_MT_POSITION_X, 2*begin_x+w);
+					input_report_abs(usbtouch->input,
+						    ABS_MT_POSITION_Y, 2*begin_y+h);
+					input_report_abs(usbtouch->input,
+						    ABS_MT_ORIENTATION, w > h);
+					input_mt_sync(usbtouch->input);
+#endif
+					/* single touch */
+					usbtouch->x = 2 * begin_x + w;
+					usbtouch->y = 2 * begin_y + h;
+					usbtouch->touch = packet->flags & 0x01;
+					begin_y = end_y = -1;
+					return 1;
+				}
+			}
+			begin_x = end_x = -1;
+		}
+
+	}
+	return 0;
+}
+#endif
+
+
+/*****************************************************************************
  * the different device descriptors
  */
 #ifdef MULTI_PACKET
@@ -873,6 +1110,16 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
 		.read_data	= tc5uh_read_data,
 	},
 #endif
+
+#ifdef CONFIG_TOUCHSCREEN_USB_NEXIO
+	[DEVTYPE_NEXIO] = {
+		.rept_size	= 128,
+		.irq_always	= true,
+		.read_data	= nexio_read_data,
+		.init		= nexio_init,
+		.exit		= nexio_exit,
+	},
+#endif
 };
 
 
@@ -998,6 +1245,7 @@ static void usbtouch_irq(struct urb *urb)
 	case -ECONNRESET:
 	case -ENOENT:
 	case -ESHUTDOWN:
+	case -EPIPE:
 		/* this urb is terminated, clean up */
 		dbg("%s - urb shutting down with status: %d",
 		    __func__, urb->status);
@@ -1021,7 +1269,7 @@ static int usbtouch_open(struct input_dev *input)
 {
 	struct usbtouch_usb *usbtouch = input_get_drvdata(input);
 
-	usbtouch->irq->dev = usbtouch->udev;
+	usbtouch->irq->dev = interface_to_usbdev(usbtouch->interface);
 
 	if (!usbtouch->type->irq_always) {
 		if (usb_submit_urb(usbtouch->irq, GFP_KERNEL))
@@ -1048,13 +1296,23 @@ static void usbtouch_free_buffers(struct usb_device *udev,
 	kfree(usbtouch->buffer);
 }
 
+static struct usb_endpoint_descriptor *
+usbtouch_get_input_endpoint(struct usb_host_interface *interface)
+{
+	int i;
+
+	for (i = 0; i < interface->desc.bNumEndpoints; i++)
+		if (usb_endpoint_dir_in(&interface->endpoint[i].desc))
+			return &interface->endpoint[i].desc;
+
+	return NULL;
+}
 
 static int usbtouch_probe(struct usb_interface *intf,
 			  const struct usb_device_id *id)
 {
 	struct usbtouch_usb *usbtouch;
 	struct input_dev *input_dev;
-	struct usb_host_interface *interface;
 	struct usb_endpoint_descriptor *endpoint;
 	struct usb_device *udev = interface_to_usbdev(intf);
 	struct usbtouch_device_info *type;
@@ -1064,8 +1322,9 @@ static int usbtouch_probe(struct usb_interface *intf,
 	if (id->driver_info == DEVTYPE_IGNORE)
 		return -ENODEV;
 
-	interface = intf->cur_altsetting;
-	endpoint = &interface->endpoint[0].desc;
+	endpoint = usbtouch_get_input_endpoint(intf->cur_altsetting);
+	if (!endpoint)
+		return -ENXIO;
 
 	usbtouch = kzalloc(sizeof(struct usbtouch_usb), GFP_KERNEL);
 	input_dev = input_allocate_device();
@@ -1094,7 +1353,7 @@ static int usbtouch_probe(struct usb_interface *intf,
 		goto out_free_buffers;
 	}
 
-	usbtouch->udev = udev;
+	usbtouch->interface = intf;
 	usbtouch->input = input_dev;
 
 	if (udev->manufacturer)
@@ -1133,12 +1392,18 @@ static int usbtouch_probe(struct usb_interface *intf,
 		input_set_abs_params(input_dev, ABS_PRESSURE, type->min_press,
 		                     type->max_press, 0, 0);
 
-	usb_fill_int_urb(usbtouch->irq, usbtouch->udev,
-			 usb_rcvintpipe(usbtouch->udev, endpoint->bEndpointAddress),
+	if (usb_endpoint_type(endpoint) == USB_ENDPOINT_XFER_INT)
+		usb_fill_int_urb(usbtouch->irq, udev,
+			 usb_rcvintpipe(udev, endpoint->bEndpointAddress),
 			 usbtouch->data, type->rept_size,
 			 usbtouch_irq, usbtouch, endpoint->bInterval);
+	else
+		usb_fill_bulk_urb(usbtouch->irq, udev,
+			 usb_rcvbulkpipe(udev, endpoint->bEndpointAddress),
+			 usbtouch->data, type->rept_size,
+			 usbtouch_irq, usbtouch);
 
-	usbtouch->irq->dev = usbtouch->udev;
+	usbtouch->irq->dev = udev;
 	usbtouch->irq->transfer_dma = usbtouch->data_dma;
 	usbtouch->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
@@ -1147,23 +1412,37 @@ static int usbtouch_probe(struct usb_interface *intf,
 		err = type->init(usbtouch);
 		if (err) {
 			dbg("%s - type->init() failed, err: %d", __func__, err);
-			goto out_free_buffers;
+			goto out_free_urb;
 		}
 	}
 
 	err = input_register_device(usbtouch->input);
 	if (err) {
 		dbg("%s - input_register_device failed, err: %d", __func__, err);
-		goto out_free_buffers;
+		goto out_do_exit;
 	}
 
 	usb_set_intfdata(intf, usbtouch);
 
-	if (usbtouch->type->irq_always)
-		usb_submit_urb(usbtouch->irq, GFP_KERNEL);
+	if (usbtouch->type->irq_always) {
+		err = usb_submit_urb(usbtouch->irq, GFP_KERNEL);
+		if (err) {
+			err("%s - usb_submit_urb failed with result: %d",
+			    __func__, err);
+			goto out_unregister_input;
+		}
+	}
 
 	return 0;
 
+out_unregister_input:
+	input_unregister_device(input_dev);
+	input_dev = NULL;
+out_do_exit:
+	if (type->exit)
+		type->exit(usbtouch);
+out_free_urb:
+	usb_free_urb(usbtouch->irq);
 out_free_buffers:
 	usbtouch_free_buffers(udev, usbtouch);
 out_free:
@@ -1186,6 +1465,8 @@ static void usbtouch_disconnect(struct usb_interface *intf)
 	/* this will stop IO via close */
 	input_unregister_device(usbtouch->input);
 	usb_free_urb(usbtouch->irq);
+	if (usbtouch->type->exit)
+		usbtouch->type->exit(usbtouch);
 	usbtouch_free_buffers(interface_to_usbdev(intf), usbtouch);
 	kfree(usbtouch);
 }
diff --git a/drivers/input/touchscreen/zylonite-wm97xx.c b/drivers/input/touchscreen/zylonite-wm97xx.c
index eca54dbdf493..048849867643 100644
--- a/drivers/input/touchscreen/zylonite-wm97xx.c
+++ b/drivers/input/touchscreen/zylonite-wm97xx.c
@@ -118,6 +118,9 @@ static int wm97xx_acc_pen_down(struct wm97xx *wm)
 		if (pressure)
 			p = MODR;
 
+		dev_dbg(wm->dev, "Raw coordinates: x=%x, y=%x, p=%x\n",
+			x, y, p);
+
 		/* are samples valid */
 		if ((x & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_X ||
 		    (y & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_Y ||