Input: synaptics - enable SMBus for HP Elitebook 840 G2

[ Upstream commit da897484557b34a54fabb81f6c223c19a69e546d ]

The kernel reports that the touchpad for this device can support a
different bus.

With SMBus enabled the touchpad movement is smoother and three-finger
gestures are recognized.

Signed-off-by: Jonathan Denose <jdenose@google.com>
Link: https://lore.kernel.org/r/20240719180612.1.Ib652dd808c274076f32cd7fc6c1160d2cf71753b@changeid
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index e2c130832c159195d4e77e6e19cc32f175cf98e4..82504b0ce01bd8426c8846b4533f98023bf35def 100644 (file)
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -187,6 +187,7 @@ static const char * const smbus_pnp_ids[] = {
        "LEN2054", /* E480 */
        "LEN2055", /* E580 */
        "LEN2068", /* T14 Gen 1 */
+       "SYN3015", /* HP EliteBook 840 G2 */
        "SYN3052", /* HP EliteBook 840 G4 */
        "SYN3221", /* HP 15-ay000 */
        "SYN323d", /* HP Spectre X360 13-w013dx */