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Commit 5717a09a authored by Aaron Ma's avatar Aaron Ma Committed by Dmitry Torokhov
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Input: synaptics - add Intertouch support on X1 Carbon 6th and X280 

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: default avatarAaron Ma <aaron.ma@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 15e2cffe

drivers/input/mouse/synaptics.c

+2 −0
Original line number Diff line number Diff line
@@ -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

};