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Input: elan_i2c - check if device is there before really probing
authorDmitry Torokhov <dmitry.torokhov@gmail.com>
Fri, 19 Dec 2014 20:57:49 +0000 (12:57 -0800)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Fri, 12 May 2017 00:41:53 +0000 (17:41 -0700)
commit611884ccc6286b61032d2790050f8e840fb61b33
treee6f8e725e127fb6cb4815b62b5a1e334f9dc217etree | snapshot
parent7f51e33189b1dba7a9edc70d7796740d8d708b2ccommit | diff
Input: elan_i2c - check if device is there before really probing

Before trying to properly initialize the touchpad and generate bunch of
errors, let's first see it there is anything at the given address. If we
get error, fail silently with -ENXIO.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/mouse/elan_i2c_core.c diff | blob | history
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