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4 Commits

Author SHA1 Message Date
Colin Ian King
fac96cc9f8 Input: raydium_i2c_ts - fix spelling mistake in dev_err message 
Trivial fix to spelling mistake "failied" to "failed" in
dev_err message.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2016-11-16 17:25:02 -08:00
Jeffrey Lin
e66475eb97 Input: raydium_i2c_ts - check CRC of incoming packets 
Check CRC of incoming touch packets to ensure that we do not operate on
corrupted data.

Signed-off-by: Jeffrey Lin <jeffrey.lin@rad-ic.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2016-07-13 17:27:24 -07:00
Dmitry Torokhov
cd467299c1 Input: raydium_i2c_ts - do not ignore EPROBE_DEFER from gpiod_get_optional 
We should not be ignoring -EPROBE_DEFER reported by
devm_gpiod_get_optional(), but report it as any other error to the upper
layers. While we are at it simplify check for the presence of reset GPIO
and instead of using IS_ERR_OR_NULL just use boolean.

Also do not return -ENOMEM from suspend handler when the device in
bootloader mode as that does not make sense and switch to -EBUSY instead.

Reported-by: Guenter Roeck <groeck@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2016-06-01 11:18:59 -07:00
Jeffrey Lin
48a2b78348 Input: add Raydium I2C touchscreen driver 
This adds support for Raydium I2C touch controllers compatible with
RM32380.

Signed-off-by: Jeffrey Lin <jeffrey.lin@rad-ic.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2016-05-27 17:08:31 -07:00