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 Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1334110 Title: [Vostro 2520, Cirrus Logic CS4213, Speaker, Internal] Playback problem Status in “alsa-driver” package in Ubuntu: Incomplete Bug description: Audio Sound System working fine but with very slow audio sound. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.11.0-23.40-generic 3.11.10.10 Uname: Linux 3.11.0-23-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.12.5-0ubuntu2.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: abhi 2622 F.... pulseaudio /dev/snd/pcmC0D0p: abhi 2622 F...m pulseaudio Date: Wed Jun 25 11:22:10 2014 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-precise-amd64-20120703-2 InstallationDate: Installed on 2013-12-15 (192 days ago) InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20120703-15:08 MarkForUpload: True PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_Jack: Speaker, Internal Symptom_PulsePlaybackTest: PulseAudio playback test successful Symptom_Type: None of the above Title: [Vostro 2520, Cirrus Logic CS4213, Speaker, Internal] Playback problem UpgradeStatus: Upgraded to saucy on 2014-03-01 (115 days ago) dmi.bios.date: 09/09/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A09 dmi.board.name: 0V1NDP dmi.board.vendor: Dell Inc. dmi.board.version: A09 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnDellInc.:bvrA09:bd09/09/2013:svnDellInc.:pnVostro2520:pvrNotSpecified:rvnDellInc.:rn0V1NDP:rvrA09:cvnDellInc.:ct8:cvrNotSpecified: dmi.product.name: Vostro 2520 dmi.product.version: Not Specified dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1334110/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp