[alsa-devel] [PATCH] hda: Add logic to force HP mixer creation

[Mario Limonciello]

Hi Takashi:

Takashi Iwai wrote:
> At Tue, 17 Feb 2009 13:27:12 -0600,
> Mario Limonciello wrote:
>   
>
> Ah, OK, then the mic jack is connected to the surround DAC.
> But don't you have Center and LFE?
>   
There aren't mixers for Center or LFE at all.  Again going back to my
feelings about mixer names, for the purposes of a laptop I think
providing a knob called Center or another called LFE just adds to the
confusion.
> And any control of speaker volume?
>   
Speaker volume is handled by the combination of Master, PCM, and Front
mixers.  The headphone mixer has no bearing on the volume of the speakers.
>
> And exactly this is another point why I feel the necessity of
> cleanup.  If the feature isn't needed, we should get rid of it.  Or,
> implement in a better form.
>   
If I was to put a vote towards this, I think attempting to support 6
channel analog in the mobile space is a feature that needs to go.  It
causes confusion and complicates the code. 
> One more another problem is that this setup thingy isn't described
> at all, or pretty hard to guess from the mixer control.  There are
> knobs, but you don't know the combination.
>   
I think knobs, switches, do-hickeys, etc are great to have when they
serve an explicit purpose.  I look at the mixers being presented to me,
and I've no idea what

"Mono Mux" is there for, or why I've got several "Digital Input Source"
areas. 
> This must be included.  Check commit
> 8bb0ac5573ff0879fef511e1a80a4a4db0316daa
> in sound git tree.
>   
I suppose i've got some confusion for when these commits are showing up
on
http://git.alsa-project.org/?p=alsa-kernel.git;a=history;f=sound/pci/hda/patch_sigmatel.c;h=3c84817ccd2e0d4bd1eee4f2882047ae84165e10;hb=HEAD
My understanding was that the tree alsa-kernel tree was merged into the
alsa-driver and alsa-kmirror trees on a regular basis.  I have been
operating off of web snapshots of alsa-driver from
http://www.alsa-project.org/snapshot/ since I can't do GIT internally
here, but I'm not seeing the patch show up in alsa-driver there.

Regards
-- 
Mario Limonciello
*Dell | Linux Engineering*
mario_limonciello at dell.com
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 260 bytes
Desc: OpenPGP digital signature
Url : http://mailman.alsa-project.org/pipermail/alsa-devel/attachments/20090217/7c38ecdd/attachment-0001.sig