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Input: synaptics - add Intertouch support on X1 Carbon 6th and X280

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Synaptics devices reported it has Intertouch support,
and it fails via PS/2 as following logs:

psmouse serio2: Failed to reset mouse on synaptics-pt/serio0
psmouse serio2: Failed to enable mouse on synaptics-pt/serio0

Set these new devices to use SMBus to fix this issue, then they report
SMBus version 3 is using, patch:
https://patchwork.kernel.org/patch/9989547/ enabled SMBus ver 3 and
makes synaptics devices work fine on SMBus mode.

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Aaron Ma 2018-02-03 11:49:22 -08:00 committed by Dmitry Torokhov
parent 15e2cffec3
commit 5717a09aea
1 changed files with 2 additions and 0 deletions
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2
drivers/input/mouse/synaptics.c
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@ -174,6 +174,8 @@ static const char * const smbus_pnp_ids[] = {
"LEN004a", /* W541 */
"LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
"LEN0073", /* X1 Carbon G5 (Elantech) */
"LEN0092", /* X1 Carbon 6 */
"LEN0096", /* X280 */
"LEN200f", /* T450s */
NULL
};