On Mon, Jul 1, 2019 at 2:28 AM <colerogers@xxxxxxxxxxx> wrote:
>
> From: Cole Rogers <colerogers@xxxxxxxxxxx>
>
> Thinkpad t480 laptops had some touchpad features disabled, resulting in the
> loss of pinch to activities in GNOME, on wayland, and other touch gestures
> being slower. This patch adds the touchpad of the t480 to the smbus_pnp_ids
> whitelist to enable the extra features. In my testing this does not break
> suspend (on fedora, with wayland, and GNOME, using the rc-6 kernel), while
> also fixing the feature on a T480.
>
> Signed-off-by: Cole Rogers <colerogers@xxxxxxxxxxx>
>
Acked-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
> ---
> drivers/input/mouse/synaptics.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
> index b8ec30102..c8d0f5795 100644
> --- a/drivers/input/mouse/synaptics.c
> +++ b/drivers/input/mouse/synaptics.c
> @@ -170,6 +170,7 @@ static const char * const smbus_pnp_ids[] = {
> "LEN005b", /* P50 */
> "LEN005e", /* T560 */
> "LEN0071", /* T480 */
> + "LEN0093", /* T480 */
> "LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
> "LEN0073", /* X1 Carbon G5 (Elantech) */
> "LEN0092", /* X1 Carbon 6 */
> --
> 2.21.0
