https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/?id=5660ffd06935e564404412997a703279e325fa64
driver seem mute speaker using gpio
there are no headphone or speaker playback switch or volume controls
you must provide pulseaudio log to show how pulseaudio determine the
audio path since there are only one pcm playback volume and switch
ode 0x02 [Audio Output] wcaps 0xb041d: Stereo Amp-Out
Control: name="PCM Playback Volume", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Control: name="PCM Playback Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Device: name="CS4213 Analog", type="Audio", device=0
Amp-Out caps: ofs=0x73, nsteps=0x7f, stepsize=0x01, mute=1
Amp-Out vals: [0x48 0x48]
Converter: stream=8, channel=0
PCM:
rates [0x560]: 44100 48000 96000 192000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power states: D0 D3 EPSS
Power: setting=D0, actual=D0
Delay: 11 samples
Node 0x04 [Pin Complex] wcaps 0x410581: Stereo
Control: name="Headphone Jack", index=0, device=0
Pincap 0x0000001c: OUT HP Detect
Pin Default 0x0321101f: [Jack] HP Out at Ext Left
Conn = 1/8, Color = Black
DefAssociation = 0x1, Sequence = 0xf
Pin-ctls: 0xc0: OUT HP
Unsolicited: tag=01, enabled=1
Power states: D0 D3 EPSS
Power: setting=D0, actual=D0
Delay: 1 samples
Connection: 1
0x02
Node 0x05 [Pin Complex] wcaps 0x420581: Stereo
Control: name="Speaker Phantom Jack", index=0, device=0
Pincap 0x00000050: OUT Balanced
Pin Default 0x90170010: [Fixed] Speaker at Int N/A
Conn = Analog, Color = Unknown
DefAssociation = 0x1, Sequence = 0x0
Pin-ctls: 0x00:
Unsolicited: tag=00, enabled=0
Power states: D0 D3 EPSS
Power: setting=D0, actual=D0
Delay: 2 samples
Connection: 1
0x02
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https://bugs.launchpad.net/bugs/1334110
Title:
[Vostro 2520, Cirrus Logic CS4213, Speaker, Internal] Playback problem
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