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authorDaniel Ritz <daniel.ritz-ml@swissonline.ch>2007-09-10 01:31:40 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2007-09-10 01:31:40 -0400
commit2a8281d72da5dd8da025e6822dadd23a35383895 (patch)
treebee3a76f00003d7cdbb659925f06376f5f1c5413
parentInput: lifebook - add signature of Panasonic CF-72 (diff)
downloadlinux-dev-2a8281d72da5dd8da025e6822dadd23a35383895.tar.xz
linux-dev-2a8281d72da5dd8da025e6822dadd23a35383895.zip
Input: usbtouchscreen - support DMC devices with empty EEPROM
A reply of 0x0600 means all OK, 0x1501 means OK, but EEPROM empty. The behavior with an empty EEPROM is the same as without one at all so do not fail loading the driver. Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
-rw-r--r--drivers/input/touchscreen/usbtouchscreen.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 796b837deeea..13fbda0895b5 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -402,7 +402,8 @@ static int dmc_tsc10_init(struct usbtouch_usb *usbtouch)
TSC10_RATE_150, 0, buf, 2, USB_CTRL_SET_TIMEOUT);
if (ret < 0)
return ret;
- if (buf[0] != 0x06 || buf[1] != 0x00)
+ if ((buf[0] != 0x06 || buf[1] != 0x00) &&
+ (buf[0] != 0x15 || buf[1] != 0x01))
return -ENODEV;
/* start sending data */