Comment 162 for bug 1332900

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_realtek.c?id=4b016931a997be59a2be0da3398985a19fdfa5be

those realtek codecs on dell computers have aliases name

as front , surround , center/lfe playback volume controls are needed for surround5.1 , how do the driver name the volume controls when speaker, bass speaker have to shared with the above three line out jack

speaker+LO seem only for HDA codecs with two DAC

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=03ad6a8c93b6df2d65c305b5b5f9474068b45bfb

do pulseaudio still work when there is no headphone jack ?

http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/paths

do pulseaudio still mute the speaker path when line out jack is plugged ?