Thanks Dmitry. Regards, Derek Synaptics -----Original Message----- From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Sent: Tuesday, August 6, 2024 1:32 AM To: Marge Yang <Marge.Yang@xxxxxxxxxxxxxxxx> Cc: linux-input@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Vincent Huang <Vincent.huang@xxxxxxxxxxxxxxxx>; David Chiu <David.Chiu@xxxxxxxxxxxxxxxx>; Derek Cheng <derek.cheng@xxxxxxxxxxxxxxxx>; Sam Tsai <Sam.Tsai@xxxxxxxxxxxxx> Subject: Re: [PATCH V2] Input: synaptics-rmi4 - Supports to query DPM value. CAUTION: Email originated externally, do not click links or open attachments unless you recognize the sender and know the content is safe. 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
