snd_hda in stable: one volume control is gone after upgrade

[Alexander Motin]

Andriy Gapon wrote:
> pcm1: <HDA Sigmatel STAC9271D PCM #1> at cad 2 nid 1 on hdac0
> pcm1: +--------------------------------------+
> pcm1: | DUMPING PCM Playback/Record Channels |
> pcm1: +--------------------------------------+
> pcm1:
> pcm1: Playback:
> pcm1:
> pcm1:      Stream cap: 0x00000005
> pcm1:                  AC3 PCM
> pcm1:         PCM cap: 0x000e07e0
> pcm1:                  16 20 24 bits, 44 48 88 96 176 192 KHz
> pcm1:             DAC: 30
> pcm1:
> pcm1: +--------------------------------+
> pcm1: | DUMPING Playback/Record Pathes |
> pcm1: +--------------------------------+
> pcm1:
> pcm1: Playback:
> pcm1:
> pcm1:     nid=33 [pin: SPDIF-out (Jack)]
> pcm1:       |
> pcm1:       + <- nid=30 [audio output] [src: pcm]
> pcm1:
> pcm1: +-------------------------+
> pcm1: | DUMPING Volume Controls |
> pcm1: +-------------------------+
> pcm1:
> 
> The following lines are now gone. There was no config/hints changes,
> just a kernel upgrade.
> I am not bothered at all by this, I've never actually used this output
> (yet?). Reporting just for the sake of it.
> 
> pcm1: Forcing Soft PCM volume
> pcm1: Forcing master volume with PCM
> pcm1: Mixer "vol" -> "none": child=0x00000010
> pcm1: Mixer "pcm": parent="vol"
> pcm1: Soft PCM mixer ENABLED

At this moment Soft PCM volume incompatible with AC3 pass-though, so 
disabled it for digital outputs. IMHO AC3 is more important.

-- 
Alexander Motin