linux-kernel - [PATCH 3.12 014/111] Input: usbtouchscreen

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Message-Id: <58afd668e242b6af089940d1b85eeb2be59fa691.1433943052.git.jslaby@suse.cz>
Date:	Wed, 10 Jun 2015 17:26:03 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Lars Poeschel <poeschel@...onage.de>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 014/111] Input: usbtouchscreen - add new model from IRTOUCHSYSTEMS

From: Lars Poeschel <poeschel@...onage.de>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit dbea4032f8024e5ea886341f7c39cf023e30e828 upstream.

This adds support for another model of IRTOUCH SYSTEMS Co.,LtD infrared
touchscreens. The USB vendorID/deviceID is 6615/0012. It is also sold
under the label "Elektrosil".

The datasheet states that coordinates for x and y are in the range from
0 to 32767.

Signed-off-by: Lars Poeschel <poeschel@...onage.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/input/touchscreen/usbtouchscreen.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 5f87bed05467..e565530e3596 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -133,6 +133,7 @@ enum {
 	DEVTYPE_GUNZE,
 	DEVTYPE_DMC_TSC10,
 	DEVTYPE_IRTOUCH,
+	DEVTYPE_IRTOUCH_HIRES,
 	DEVTYPE_IDEALTEK,
 	DEVTYPE_GENERAL_TOUCH,
 	DEVTYPE_GOTOP,
@@ -199,6 +200,7 @@ static const struct usb_device_id usbtouch_devices[] = {
 #ifdef CONFIG_TOUCHSCREEN_USB_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},
 #endif
 
 #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK
@@ -1178,6 +1180,15 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
 		.rept_size	= 8,
 		.read_data	= irtouch_read_data,
 	},
+
+	[DEVTYPE_IRTOUCH_HIRES] = {
+		.min_xc		= 0x0,
+		.max_xc		= 0x7fff,
+		.min_yc		= 0x0,
+		.max_yc		= 0x7fff,
+		.rept_size	= 8,
+		.read_data	= irtouch_read_data,
+	},
 #endif
 
 #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK
-- 
2.4.2

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