> Our hardware has a shared regulator that powers various peripherals such > as the display, touch, USB hub, etc. Since the Maxtouch controller > doesn't currently allow it to be turned off, this regulator has to stay > on when not used. This increases the overall power consumption. In order > to turn off the controller when the system does not use it, this series > adds a device tree property to the maxtouch driver that allows the > controller to be turned off completely and ensurs that it can resume > from the power off state. > > Changes since v3: > - Move the power on part to mxt_start and the power off part to > mxt_stop. This allows to turn the touch controller off even when not > in use and not only when being suspended (Dmitry) > > Changes since v2: > - Add Reviewed-by tags from Linus and Krzysztof to the dt-bindings patch > > Changes since v1: > - Rename the property and change the description (Krzysztof, Linus, > Dmitry, Conor) > > Stefan Eichenberger (4): > Input: atmel_mxt_ts - add power off and power on functions > Input: atmel_mxt_ts - move calls to register the input device to > separate function > dt-bindings: input: atmel,maxtouch: add poweroff-sleep property > Input: atmel_mxt_ts - add support for poweroff-sleep > > .../bindings/input/atmel,maxtouch.yaml | 6 + > drivers/input/touchscreen/atmel_mxt_ts.c | 162 +++++++++++++----- > 2 files changed, 124 insertions(+), 44 deletions(-) > > -- > 2.40.1 > Reviewed-by: Joao Paulo Goncalves <joao.goncalves@xxxxxxxxxxx> Regards, Joao Paulo
