Comment # 8 on bug 106957 from prg@cooco.de

Created attachment 140242 [details]
dmesg with second debug patch

# grep . /sys/bus/hdaudio/devices/hdaudioC1D0/widgets/*/power_caps
/sys/bus/hdaudio/devices/hdaudioC1D0/widgets/01/power_caps:0x00000009