>> >> > >> > Thank you for your reply, >> > >> > Please see below the output of alsa-info.sh before and after the headphone plugged in >> > >> > Before: http://www.alsa-project.org/db/?f=a316eebf7b150b5897838be37bce4e8c9d95eaae >> > After: http://www.alsa-project.org/db/?f=0f163003e9005972db5f97f21a45be67816e3801 >> > >> > I have 6 Jacks at the rear panel and two at the top (one output one input) >> > I am afraid I do not know how to switch channel mode to retask. >> > >> > Also, the computer is of a certain age, and the issue has started several month ago but I never really looked into it, so I am not sure that change in power management will be relevant has it seems quite recent. If you plugged the speaker into the black jack, Seem you are using stereo profile since surround dac still using channel=0 Auto mute was disabled when you select ac97 front audio panel Do you expect pulseaudio just mute the surround playback switch but keep the surround playack volume remain unchanged when you select stereo profile ? Node 0x11 [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: [0x00 0x00] Converter: stream=5, channel=0 PCM: rates [0x5e0]: 44100 48000 88200 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 Power: setting=D0, actual=D0 Node 0x18 [Audio Selector] wcaps 0x30050d: Stereo Amp-Out Control: name="Surround Playback Switch", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x80 0x80] Power states: D0 D1 D2 D3 Power: setting=D0, actual=D0 Connection: 1 0x11 control.36 { iface CARD name 'Line Out Front Jack' value false comment { access read type BOOLEAN count 1 } } control.37 { iface CARD name 'Line Out Surround Jack' value true comment { access read type BOOLEAN count 1 } } control.38 { iface CARD name 'Line Out CLFE Jack' value false comment { access read type BOOLEAN count 1 } } control.39 { iface CARD name 'Line Out Side Jack' value false comment { access read type BOOLEAN count 1 } } control.40 { iface CARD name 'Front Headphone Phantom Jack' value true comment { access read type BOOLEAN count 1 } } Simple mixer control 'Surround',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 42 Mono: Front Left: Playback 0 [0%] [-63.00dB] [off] Front Right: Playback 0 [0%] [-63.00dB] [off] > As advices I changed the Bios setting from AC97 to HD Audio. Do your computer chassis have a hda front audio panel ? > Now upon start up or pulseaudio being restarted the headphones is muted, but the surround channel isn't any more. As mentioned I would like both channel not to be muted. > Please find below the output of pulseaudio -vvvv: You have to kill pulseaudio first > E: [pulseaudio] pid.c: Daemon already running. > E: [pulseaudio] main.c: pa_pid_file_create() failed. > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20150331/cd20cd88/attachment.html>
