Wiadomość napisana przez Peter Geis pgwipeout@gmail.com 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?