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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1334110 Title: [Vostro 2520, Cirrus Logic CS4213, Speaker, Internal] Playback problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1334110/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs