> I ran all steps as given by the instructions > (http://elinux.org/CircuitCo:Audio_Cape_RevB) including installing a new DT > overlay, disabling HDMI and adding to the slots file.
>Then I try speaker-test -D default:EVM and put an oscilloscope on pin >P9_28. No waveform comes out. This should be the I2S serial output, but it's >just a flat line. I have no idea how to debug this. What do you get if you check pinctrl? Are things set up as expected? sudo cat /sys/kernel/debug/pinctrl/44e10800.pinmux/pinmux-pins -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
