Upgrading pulseaudio to commit aec811 on my Lenovo T440s with Fedora 21 made the headphone audio output disappear. Repeatable: always Steps to reproduce: 1. Install pulseaudio-5.0-24.20141103gitaec81.fc21.x86_64 on Lenovo T440s 2. Reboot 3. Play audio, open gnome-control-center. 4. Plug in some headphones Expected results: gnome-control-center should show a new audio output device "Headphones", there should be sound from the headphones Actual results: No audio output device displayed any more, and no sound from headphones $ rpm -q pulseaudio pulseaudio-5.0-24.20141103gitaec81.fc21.x86_64 alsa-info: http://www.alsa-project.org/db/?f=503cc4ba2634c1098053dddf70051f65c717a7f5 The latest known working version of the package, pulseaudio-5.0-10.fc21, appears to be based on the 5.0 release: http://pkgs.fedoraproject.org/cgit/pulseaudio.git/tree/sources?h=f21&id=7167b336b7f6e7457f6dfd60b055625560ca7532
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/hda_generic.c?id=03ad6a8c93b6df2d65c305b5b5f9474068b45bfb https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/hda_generic.c?id=3abb4f4d0e7aaad0d12004b5057f4486a688752b you case are speaker + dock headphone playback volume and speaker playback volume or headphone+dock headphone playback volume and speaker playback volume http://mailman.alsa-project.org/pipermail/alsa-devel/2014-October/083128.html Node 0x02 [Audio Output] wcaps 0x41d: Stereo Amp-Out Control: name="PCM Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Device: name="ALC3232 Analog", type="Audio", device=0 Amp-Out caps: ofs=0x57, nsteps=0x57, stepsize=0x02, mute=0 Amp-Out vals: [0x32 0x32] Converter: stream=8, channel=0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0 Node 0x03 [Audio Output] wcaps 0x41d: Stereo Amp-Out Control: name="Headphone Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Amp-Out caps: ofs=0x57, nsteps=0x57, stepsize=0x02, mute=0 Amp-Out vals: [0x00 0x00] Converter: stream=8, channel=0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0
the other case speaker+headphone playback volumre and bass playback volume http://git.kernel.org/cgit/linux/kernel/git/tiwai/hda-emu.git/tree/codecs/vt1802-asus-g75?id=HEAD
Node 0x08 [Audio Output] wcaps 0x41d: Stereo Amp-Out Control: name="Front Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Control: name="Headphone Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Device: name="VT1802 Analog", type="Audio", device=0 Amp-Out caps: ofs=0x2a, nsteps=0x2a, stepsize=0x05, mute=0 Amp-Out vals: [0x22 0x22] Converter: stream=8, channel=0 PCM: rates [0x5e0]: 44100 48000 88200 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0 Node 0x09 [Audio Output] wcaps 0x41d: Stereo Amp-Out Control: name="Surround Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Amp-Out caps: ofs=0x2a, nsteps=0x2a, stepsize=0x05, mute=0 Amp-Out vals: [0x1d 0x1d] Converter: stream=8, channel=2 PCM: rates [0x5e0]: 44100 48000 88200 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0
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