since your internal speaker can only connected to single DAC
the driver need to assign DAC to 5.1/7.1 output before assign DAC to
the headphone
-static const struct snd_kcontrol_new alc883_targa_mixer[] = {
- HDA_CODEC_VOLUME("Front Playback Volume", 0x0c, 0x0, HDA_OUTPUT),
- HDA_CODEC_VOLUME("Surround Playback Volume", 0x0d, 0x0, HDA_OUTPUT),
- HDA_CODEC_VOLUME_MONO("Center Playback Volume", 0x0e, 1, 0x0, HDA_OUTPUT),
- HDA_CODEC_VOLUME_MONO("LFE Playback Volume", 0x0e, 2, 0x0, HDA_OUTPUT),
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https://bugs.launchpad.net/bugs/1236965
Title:
pulseaudio does not recognize internal speakers [P180HMx, Realtek
ALC892, Speaker, Internal] volume slider problem
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