HP EliteBook 8730w
autoconfig: line_outs=1 (0x12/0x0/0x0/0x0/0x0) type:line
speaker_outs=1 (0x16/0x0/0x0/0x0/0x0)
hp_outs=1 (0x11/0x0/0x0/0x0/0x0)
mono: mono_out=0x0
inputs:
Mic=0x14
Internal Mic=0x15
Line=0x1c
==> Best config: lo_type=0, wired=1, mio=1
multi_outs = 12/0/0/0 : 3/0/0/0 (type LO)
out path: depth=5 :03:20:21:0a:12
hp_outs = 11/0/0/0 : 4/0/0/0
hp path: depth=4 :04:22:07:11
spk_outs = 16/0/0/0 : 3/0/0/0
spk path: depth=4 :03:0f:0b:16
mix path: depth=5 :03:20:21:07:11
mix path: depth=5 :03:20:21:0b:16
the driver seem ignore that speaker can connect to 0x21 too
when loopback mixing is enbled
enabled internal mic playback volume may cause feedback if internal mic
and internal speaker are close enough
this may be why the driver do not create master playback volume at node
0x21
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/?id=5ccc618fee67f0f0b2122dd4b32a02fd2b6a1569
-static const struct snd_kcontrol_new ad1984a_touchsmart_mixers[] = {
- HDA_CODEC_VOLUME("Master Playback Volume", 0x21, 0x0, HDA_OUTPUT),
-static const struct snd_kcontrol_new ad1984a_precision_mixers[] = {
- HDA_CODEC_VOLUME("Master Playback Volume", 0x21, 0x0, HDA_OUTPUT),
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https://bugs.launchpad.net/bugs/1254884
Title:
Pulseaudio: incoherent muting of GStreamer channels (mutes master,
headphone and speaker, but unmutes only master)
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