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3 Commits

Author SHA1 Message Date
Dmitry Torokhov
8830cb88dd Input: wacom_i2c - fix compiler warning 
Apparently GCC can't figure out that we bail if we fail to query device
and will not try to use 'features':

drivers/input/touchscreen/wacom_i2c.c: In function ‘wacom_i2c_probe’:
drivers/input/touchscreen/wacom_i2c.c:177:20: warning: ‘features.fw_version’
	may be used uninitialized in this function [-Wmaybe-uninitialized]

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
 2012-07-07 16:41:12 -07:00
Dmitry Torokhov
d568778298 Input: wacom_i2c - do not use irq_to_gpio 
Because irq_to_gpio() is not available on many platforms let's switch
to level-triggered one-shot IRQs that will stay active as long as
there is data to be read.

Tested-by: Tobita Tatsunosuke <tobita.tatsunosuke@wacom.co.jp>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
 2012-04-10 00:42:15 -07:00
Tatsunosuke Tobita
5a966261c0 Input: add support for Wacom Stylus device with I2C interface 
This adds support for Wacom Stylus device with I2C interface.

[Dan Carpenter <dan.carpenter@oracle.com>: fix NULL-pointer dereference
 in error handling path.]
Signed-off-by: Tatsunosuke Tobita <tobita.tatsunosuke@wacom.co.jp>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
 2012-04-04 09:24:23 -07:00