Hi Hans, On Tue, Oct 17, 2017 at 8:45 AM, Hans de Goede <hdegoede@xxxxxxxxxx> wrote: > On some x86 tablets with a silead touchscreen the windows logo on the > front is a capacitive home button. Touching this button results in a touch > with bits 12-15 of the Y coordinates set, while normally only the lower 12 > are used. > > Detect this and report a KEY_LEFTMETA press when this happens. Note for > now we only respond to the Y coordinate bits 12-15 containing 0x01, on some > tablets *without* a capacative button I've noticed these bits containing > 0x04 when crossing the edges of the screen. > > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > --- > Changes in v2: > -Only enable support for the home-button if a "silead,home-button" > boolean device-property is set on the device You need to add this new property to Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt and CC Rob. Thanks! -- Dmitry
