[pulseaudio-tickets] [Bug 90491] no sound after plugging in headphones/speakers, "Speaker+LO" volume is lowered to 0
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon May 18 18:13:48 PDT 2015
https://bugs.freedesktop.org/show_bug.cgi?id=90491
--- Comment #18 from Raymond <superquad.vortex2 at gmail.com> ---
Headphone: Stereo headphone/line-out/SPDIF jack
Microphone: Stereo microphone/line-in jack
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/plain/Documentation/sound/alsa/HD-Audio-Controls.txt
* Mic Jack Mode, Line Jack Mode, etc
These enum controls the direction and the bias of the input jack
pins. Depending on the jack type, it can set as "Mic In" and "Line
In",
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/plain/Documentation/sound/alsa/HD-Audio.txt
- add_jack_modes (bool): add "xxx Jack Mode" enum controls to each
I/O jack for allowing to change the headphone amp and mic bias VREF
capabilities
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