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* power up the external amplifier

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* after chip reset, reapply power settings
This commit is contained in:
cg 2001-03-23 16:39:01 +00:00
parent 8e5f42ddb8
commit c987c179af
1 changed files with 2 additions and 1 deletions
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3
sys/dev/sound/pcm/ac97.c
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@ -327,9 +327,10 @@ ac97_initmixer(struct ac97_info *codec)
return ENODEV;
}
wrcd(codec, AC97_REG_POWER, 0);
wrcd(codec, AC97_REG_POWER, 0x8000);
wrcd(codec, AC97_REG_RESET, 0);
DELAY(100000);
wrcd(codec, AC97_REG_POWER, 0x8000);
i = rdcd(codec, AC97_REG_RESET);
codec->caps = i & 0x03ff;