Hi Dmitry, On Mon, Dec 07, 2020 at 12:22:14AM +0300, Dmitry Osipenko wrote: > Some Atmel maXTouch controllers, like mXT1386 and mXT3432S1 for example, > have a WAKE line that needs to be asserted in order to wake controller > from a deep sleep, otherwise it will be unusable. This series implements > support for the wakeup methods in accordance to the mXT1386 datasheet [1], > see page 29 (chapter "5.8 WAKE Line"). > > The mXT1386 is a widely used controller found on many older Android tablet > devices. Touchscreen on Acer A500 tablet now works properly after this > series. I am trying to understand how your controller is configured on that system. Could you please enable all debug messages in the driver and post the logs? I am a bit confused why the controller needs to be woken up twice in mxt_start() given that according to the spec it is supposed to stay up for 2 seconds after successful I2C transfer... Thanks! -- Dmitry
