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Input: elan_i2c - clear INT before resetting controller
authorKT Liao <kt.liao@emc.com.tw>
Thu, 25 May 2017 17:06:21 +0000 (10:06 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Thu, 25 May 2017 17:11:34 +0000 (10:11 -0700)
commitd1240e5e8dfbcf36778f913159681af1c72ac9b0
treef9533053e6ebeb76a36abeabafb2f9da49e5221etree | snapshot
parentbaaae813a8a81965a63619dbe42e3eaca31ba3a1commit | diff
Input: elan_i2c - clear INT before resetting controller

Some old touchpad FWs need to have interrupt cleared before issuing reset
command after updating firmware. We clear interrupt by attempting to read
full report from the controller, and discarding any data read.

Signed-off-by: KT Liao <kt.liao@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/mouse/elan_i2c_i2c.c diff | blob | history
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