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Add speaker volume adjusting support

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Submitted by:	Tai-hwa Liang <avatar@mmlab.cse.yzu.edu.tw>
PR:		i386/21452
This commit is contained in:
Cameron Grant 2001-02-27 12:44:31 +00:00
parent bedee18193
commit 1b0dabf0c0
1 changed files with 6 additions and 2 deletions
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8
sys/dev/sound/isa/ess.c
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@ -651,7 +651,7 @@ essmix_init(snd_mixer *m)
mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE |
SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME |
SOUND_MASK_LINE1);
SOUND_MASK_LINE1 | SOUND_MASK_SPEAKER);
ess_setmixer(sc, 0, 0); /* reset */
@ -697,7 +697,11 @@ essmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right)
rreg = 0x6a;
break;
case SOUND_MIXER_VOLUME:
case SOUND_MIXER_SPEAKER:
preg = 0x3c;
break;
case SOUND_MIXER_VOLUME:
l = left? (left * 63) / 100 : 64;
r = right? (right * 63) / 100 : 64;
ess_setmixer(sc, 0x60, l);