Hi Dave, On Mon, May 20, 2024 at 02:20:28PM GMT, Dave Stevenson wrote: > Hi Ondřej > > [...] > > From v3 [1] Luis reported testing dropping the powerdown-gpio on a PPP > and it working fine. > > I linked to the IMX258 datasheet in the same thread[2], and that > datasheet does not include such a signal on the imx258 sensor itself. > > If your module has a powerdown gpio, then you'll have to ask the > module vendor what it is actually connected to. Potentially it relates > to the VCM driver rather than the sensor. I've tested it in various ways (inverting the signal, etc.) and it doesn't seem to do anything. So these patches related to powerdown-gpio can be dropped. Kind regards, o. > Dave > > [1] https://www.spinics.net/lists/linux-media/msg252519.html > [2] https://www.spinics.net/lists/linux-media/msg252496.html