On Sat, Dec 15, 2018 at 5:34 PM Mantas Mikulėnas <grawity@xxxxxxxxx> wrote:
>
> dmesg reports that "Your touchpad (PNP: SYN3052 SYN0100 SYN0002 PNP0f13)
> says it can support a different bus."
>
> I've tested the offered psmouse.synaptics_intertouch=1 with 4.18.x and
> 4.19.x and it seems to work well. No problems seen with suspend/resume.
>
> Also, it appears that RMI/SMBus mode is actually required for 3-4 finger
> multitouch gestures to work -- otherwise they are not reported at all.
>
> Information from dmesg in both modes:
>
> psmouse serio3: synaptics: Touchpad model: 1, fw: 8.2, id: 0x1e2b1,
> caps: 0xf00123/0x840300/0x2e800/0x0, board id: 3139, fw id: 2000742
>
> psmouse serio3: synaptics: Trying to set up SMBus access
> rmi4_smbus 6-002c: registering SMbus-connected sensor
> rmi4_f01 rmi4-00.fn01: found RMI device,
> manufacturer: Synaptics, product: TM3139-001, fw id: 2000742
>
> Signed-off-by: Mantas Mikulėnas <grawity@xxxxxxxxx>
> ---
Thanks for the test and the patch:
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
Cheers,
Benjamin
> 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 2bd5bb11c8ba..0b5c88609e1f 100644
> --- a/drivers/input/mouse/synaptics.c
> +++ b/drivers/input/mouse/synaptics.c
> @@ -178,6 +178,7 @@ static const char * const smbus_pnp_ids[] = {
> "LEN0096", /* X280 */
> "LEN0097", /* X280 -> ALPS trackpoint */
> "LEN200f", /* T450s */
> + "SYN3052", /* HP EliteBook 840 G4 */
> "SYN3221", /* HP 15-ay000 */
> NULL
> };
> --
> 2.20.0
>
