Hi Masaki, On 29 November 2017 at 19:33, Masaki Ota <012ne...@gmail.com> wrote: > From: Masaki Ota <masaki....@jp.alps.com> > - The issue is that Thinkpad L570 TrackStick does not work. Because the main > interface of Thinkpad L570 device is SMBus, so ALPS overlooked PS2 interface > Firmware setting of TrackStick. The detail is that TrackStick otp bit is > disabled. > - Add the code that checks 0xD7 address value. This value is device number > information, so we can identify the device by checking this value. > - If we check 0xD7 value, we need to enable Command mode and after check the > value we need to disable Command mode, then we have to enable the device(0xF4 > command). > - Thinkpad L570 device number is 0x0C or 0x1D. If it is TRUE, enable > ALPS_DUALPOINT flag. > > Signed-off-by: Masaki Ota <masaki....@jp.alps.com> > --- > drivers/input/mouse/alps.c | 24 +++++++++++++++++++++--- > 1 file changed, 21 insertions(+), 3 deletions(-)
Tested-by: Jonathan Liu <net...@gmail.com> This fixes trackstick and physical left/middle/right mouse buttons above touchpad on Lenovo ThinkPad E570p laptop for me. Regards, Jonathan
