On Tue, May 10, 2022 at 9:49 AM Piotr Oniszczuk <piotr.oniszczuk@xxxxxxxxx> wrote: > > > > > Wiadomość napisana przez Peter Geis <pgwipeout@xxxxxxxxx> w dniu 10.05.2022, o godz. 14:08: > > > > > > You are on the clk_rtc32k_frac which is a fractional divider that is > > fed from the 24m clock. Your clock likely isn't the issue here. I'd > > recommend setting up the cec-gpio node to validate your hardware > > works. > > Peter, > > Here is what i done to verify my rock3-a HW: > > 1.download & burn on SD Radxa Ubuntu > 2.boot and install v4l-utils > 3.run cec-compliance -v -T. It fails with error -22 > 4.decompile Ubunntu DT. > 5.Check what HDMITX_CEC_M hdmi uses. It was M0 > 6.Chenge to HDMITX_CEC_M1; compile dtb; install on sd > 7.reboot. > 8.cec-compliance -v -T gives all tests OK > 9.cec-ctl --image-view-on -t0 turns-on my TV > > hope this proves my HW is ok? > That does show that the hardware works with the oem image. It does not unfortunately prove if it works with your current dts. cec-gpio will show if it's an issue with the cec controller or an external problem.
