From d2cc817a7697685f034c90542053d85e7012c760 Mon Sep 17 00:00:00 2001 From: Michael Gebetsroither Date: Fri, 4 Nov 2011 23:56:05 -0700 Subject: [PATCH] Input: usbtouchscreen - add ELO IntelliTouch 2700 support Signed-off-by: Michael Gebetsroither Reviewed-by: Wanlong Gao Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/Kconfig | 6 ++++ drivers/input/touchscreen/usbtouchscreen.c | 36 ++++++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 3488ffe1fa0a..3c986cf48904 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -541,6 +541,7 @@ config TOUCHSCREEN_USB_COMPOSITE - GoTop Super_Q2/GogoPen/PenPower tablets - JASTEC USB Touch Controller/DigiTech DTR-02U - Zytronic controllers + - Elo TouchSystems 2700 IntelliTouch Have a look at for a usage description and the required user-space stuff. @@ -620,6 +621,11 @@ config TOUCHSCREEN_USB_JASTEC bool "JASTEC/DigiTech DTR-02U USB touch controller device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE +config TOUCHSCREEN_USB_ELO + default y + bool "Elo TouchSystems 2700 IntelliTouch controller device support" if EXPERT + depends on TOUCHSCREEN_USB_COMPOSITE + config TOUCHSCREEN_USB_E2I default y bool "e2i Touchscreen controller (e.g. from Mimo 740)" diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index 73fd6642b681..9dbd8b4d9a6e 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 * Copyright (C) by Todd E. Johnson (mtouchusb.c) @@ -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 + {} }; @@ -944,6 +950,24 @@ static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt) #endif +/***************************************************************************** + * 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 */ @@ -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,