On Vi, 2019-06-14 at 10:39 -0300, Fabio Estevam wrote: > Caution: EXT Email > > On Fri, Jun 14, 2019 at 10:29 AM Robert Chiras <robert.chiras@xxxxxxx > > wrote: > > > > > The GPIO is active high, and the above sequence was received from > > the > > panel vendor in the following form: > > SET_RESET_PIN(1); > > MDELAY(10); > > SET_RESET_PIN(0); > > MDELAY(5); > > SET_RESET_PIN(1); > > MDELAY(20); > > I got rid of the first transition to high since seemed redundant. > > Also, according to the manual reference, the RSTB pin needs to be > > active high while operating the display. > That's exactly my point :-) > > In normal operation the GPIO reset needs to be high. > > During reset the GPIO reset needs to be low., which means that the > GPIO reset is "active low". > > So you should invert both the dts and the driver to behave correctly. Now I get it. Thanks! I will update the dts and driver for the gpio.
