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Remap and virtualize mixer controls for HP nx6110 with

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AD1981B AC97 codec, unifying master volume control.

  * Remap "phout" --> SOUND_MIXER_VOLUME (internal speakers)
  * Virtual "vol" --> { "phout", "ogain" (headphone) }

Tested by:	Frederic Chardon
MFC after:	3 days
This commit is contained in:
Ariff Abdullah 2007-10-26 20:49:59 +00:00
parent f29120c085
commit 554314911c
1 changed files with 26 additions and 2 deletions
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28
sys/dev/sound/pcm/ac97.c
View file

@ -932,10 +932,12 @@ ac97mix_init(struct snd_mixer *m)
switch (codec->id) {
case 0x41445374: /* AD1981B */
if (codec->subvendor == 0x02d91014) {
switch (codec->subvendor) {
case 0x02d91014:
/*
* IBM Thinkcentre:
* Tie "ogain" and "phone" to "vol" since its
*
* Tie "ogain" and "phout" to "vol" since its
* master volume is basically useless and can't
* control anything.
*/
@ -953,6 +955,28 @@ ac97mix_init(struct snd_mixer *m)
mix_setrealdev(m, SOUND_MIXER_VOLUME,
SOUND_MIXER_NONE);
}
break;
case 0x099c103c:
/*
* HP nx6110:
*
* By default, "vol" is controlling internal speakers
* (not a master volume!) and "ogain" is controlling
* headphone. Enable dummy "phout" so it can be
* remapped to internal speakers and virtualize
* "vol" to control both.
*/
codec->mix[SOUND_MIXER_OGAIN].enable = 1;
codec->mix[SOUND_MIXER_PHONEOUT].enable = 1;
mix_setrealdev(m, SOUND_MIXER_PHONEOUT,
SOUND_MIXER_VOLUME);
mix_setrealdev(m, SOUND_MIXER_VOLUME,
SOUND_MIXER_NONE);
mix_setparentchild(m, SOUND_MIXER_VOLUME,
SOUND_MASK_OGAIN | SOUND_MASK_PHONEOUT);
break;
default:
break;
}
break;
case 0x434d4941: /* CMI9738 */