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path: root/drivers/input/touchscreen/usbtouchscreen.c
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Diffstat (limited to 'drivers/input/touchscreen/usbtouchscreen.c')
-rw-r--r--drivers/input/touchscreen/usbtouchscreen.c53
1 files changed, 39 insertions, 14 deletions
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 73fd6642b681..3a5ebf452e81 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -16,6 +16,7 @@
* - JASTEC USB touch controller/DigiTech DTR-02U
* - Zytronic capacitive touchscreen
* - NEXIO/iNexio
+ * - Elo TouchSystems 2700 IntelliTouch
*
* Copyright (C) 2004-2007 by Daniel Ritz <daniel.ritz@gmx.ch>
* Copyright (C) by Todd E. Johnson (mtouchusb.c)
@@ -59,11 +60,11 @@
#define DRIVER_AUTHOR "Daniel Ritz <daniel.ritz@gmx.ch>"
#define DRIVER_DESC "USB Touchscreen Driver"
-static int swap_xy;
+static bool swap_xy;
module_param(swap_xy, bool, 0644);
MODULE_PARM_DESC(swap_xy, "If set X and Y axes are swapped.");
-static int hwcalib_xy;
+static bool hwcalib_xy;
module_param(hwcalib_xy, bool, 0644);
MODULE_PARM_DESC(hwcalib_xy, "If set hw-calibrated X/Y are used if available");
@@ -138,6 +139,7 @@ enum {
DEVTYPE_ZYTRONIC,
DEVTYPE_TC45USB,
DEVTYPE_NEXIO,
+ DEVTYPE_ELO,
};
#define USB_DEVICE_HID_CLASS(vend, prod) \
@@ -239,6 +241,10 @@ static const struct usb_device_id usbtouch_devices[] = {
.driver_info = DEVTYPE_NEXIO},
#endif
+#ifdef CONFIG_TOUCHSCREEN_USB_ELO
+ {USB_DEVICE(0x04e7, 0x0020), .driver_info = DEVTYPE_ELO},
+#endif
+
{}
};
@@ -945,6 +951,24 @@ static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)
/*****************************************************************************
+ * ELO part
+ */
+
+#ifdef CONFIG_TOUCHSCREEN_USB_ELO
+
+static int elo_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
+{
+ dev->x = (pkt[3] << 8) | pkt[2];
+ dev->y = (pkt[5] << 8) | pkt[4];
+ dev->touch = pkt[6] > 0;
+ dev->press = pkt[6];
+
+ return 1;
+}
+#endif
+
+
+/*****************************************************************************
* the different device descriptors
*/
#ifdef MULTI_PACKET
@@ -953,6 +977,18 @@ static void usbtouch_process_multi(struct usbtouch_usb *usbtouch,
#endif
static struct usbtouch_device_info usbtouch_dev_info[] = {
+#ifdef CONFIG_TOUCHSCREEN_USB_ELO
+ [DEVTYPE_ELO] = {
+ .min_xc = 0x0,
+ .max_xc = 0x0fff,
+ .min_yc = 0x0,
+ .max_yc = 0x0fff,
+ .max_press = 0xff,
+ .rept_size = 8,
+ .read_data = elo_read_data,
+ },
+#endif
+
#ifdef CONFIG_TOUCHSCREEN_USB_EGALAX
[DEVTYPE_EGALAX] = {
.min_xc = 0x0,
@@ -1580,18 +1616,7 @@ static struct usb_driver usbtouch_driver = {
.supports_autosuspend = 1,
};
-static int __init usbtouch_init(void)
-{
- return usb_register(&usbtouch_driver);
-}
-
-static void __exit usbtouch_cleanup(void)
-{
- usb_deregister(&usbtouch_driver);
-}
-
-module_init(usbtouch_init);
-module_exit(usbtouch_cleanup);
+module_usb_driver(usbtouch_driver);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);