Re: [PATCH V2] Input: synaptics-rmi4 - Supports to query DPM value.
From: Dmitry Torokhov
Date: Mon Aug 05 2024 - 13:32:10 EST
On Mon, Aug 05, 2024 at 08:36:36AM +0000, Marge Yang wrote:
> Newer firmware allows to query touchpad resolution
> information by reading from resolution register.
> Presence of resolution register is signalled via bit
> 29 of the "register presence" register.
> On devices that lack this resolution register
> we fall back to using pitch and number of receivers
> data to calculate size of the sensor.
>
> RMI4 F12 will support to query DPM value on Touchpad.
> When TP firmware doesn't support to report logical and
> physical value within the Touchpad's HID report.
> We can directly query the DPM value through RMI.
>
> Signed-off-by: Marge Yang <marge.yang@xxxxxxxxxxxxxxxx>
> Signed-off-by: Vincent Huang <Vincent.Huang@xxxxxxxxxxxxxxxx>
Applied, thank you.
--
Dmitry