Example from the /proc/asound/cardX/codecX file:
Node 0x05 [Pin Complex] wcaps 0x40778d: 8-Channels Digital Amp-Out CP
Control: name="HDMI/DP,pcm=3 Jack", index=0, device=0
Control: name="IEC958 Playback Con Mask", index=0, device=0
Control: name="IEC958 Playback Pro Mask", index=0, device=0
Control: name="IEC958 Playback Default", index=0, device=0
Control: name="IEC958 Playback Switch", index=0, device=0
Control: name="ELD", index=0, device=3
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x80] <---------------- Look here; they should be
[0x00 0x00]
Pincap 0x0b000094: OUT Detect HBR HDMI DP
Pin Default 0x18560010: [Jack] Digital Out at Int HDMI
Conn = Digital, Color = Unknown
DefAssociation = 0x1, Sequence = 0x0
Pin-ctls: 0x40: OUT
Unsolicited: tag=01, enabled=1
Power states: D0 D3 EPSS
Power: setting=D3, actual=D3 <---------------- Look here; it should be D0
Connection: 3
0x02* 0x03 0x04
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https://bugs.launchpad.net/bugs/1167270
Title:
Haswell HDMI Audio: Pin remains in D3 state
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