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Enable tone / 3D controls for YAMAHA YMF743, 753 and 752 (partially).

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PR:		kern/109599
Submitted by:	Watanabe Kazuhiro <CQG00620@nifty.ne.jp>
This commit is contained in:
ariff 2007-03-06 02:36:54 +00:00
parent 0200aec830
commit 701d8d714e
1 changed files with 17 additions and 0 deletions
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17
sys/dev/sound/pcm/ac97.c
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@ -538,6 +538,23 @@ ac97_fix_auxout(struct ac97_info *codec)
static void
ac97_fix_tone(struct ac97_info *codec)
{
/*
* YMF chips does not indicate tone and 3D enhancement capability
* in the AC97_REG_RESET register.
*/
switch (codec->id) {
case 0x594d4800: /* YMF743 */
case 0x594d4803: /* YMF753 */
codec->caps |= AC97_CAP_TONE;
codec->se |= 0x04;
break;
case 0x594d4802: /* YMF752 */
codec->se |= 0x04;
break;
default:
break;
}
/* Hide treble and bass if they don't exist */
if ((codec->caps & AC97_CAP_TONE) == 0) {
bzero(&codec->mix[SOUND_MIXER_BASS],