Tnx Clemens!
On Fri, 10 Aug 2007 09:33:46 +0200
"Clemens Ladisch" <cladisch@xxxxxxxxxxxx> wrote:
> John L. Utz III wrote:
> > amixer controls | grep Surround
> > numid=20,iface=MIXER,name='Surround Playback Switch'
> > numid=21,iface=MIXER,name='Surround Playback Volume'
> >
> > But for the life of me, i cant find the code that implements it!
>
> Around line 1350 in ac97_codec.c:
>
> /* build surround controls */
> if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
> && !(ac97->flags & AC97_AD_MULTI)) {
> /* Surround Master (0x38) is with stereo mutes */
> if ((err = snd_ac97_cmix_new_stereo(card, "Surround
> Playback", AC97_SURROUND_MASTER, 1, 0,
> ac97)) < 0)
> return err;
> }
>
> HTH
It does, i think that i'll try to use snd_ac97_rename_vol_ctl() in
patch_vt1618() to make Surround the Rear control.
Hopefully, i'll have a usable patch to submit for vt1618 next week,
woohoo!
> Clemens
>
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