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Set the delta for the particular source so telling mixerctl to decrease the 

volume (using --) adjusts it far enough to stick.
This commit is contained in:
erh 2001-04-29 02:47:25 +00:00
parent 70316ad6e1
commit acc17cc823
1 changed files with 11 additions and 2 deletions
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13
sys/dev/ic/ac97.c
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@ -1,4 +1,4 @@
/* $NetBSD: ac97.c,v 1.18 2001/01/18 20:28:16 jdolecek Exp $ */
/* $NetBSD: ac97.c,v 1.19 2001/04/29 02:47:25 erh Exp $ */
/* $OpenBSD: ac97.c,v 1.8 2000/07/19 09:01:35 csapuntz Exp $ */
/*
@ -101,10 +101,14 @@ static const struct audio_mixer_enum ac97_source = { 8,
{ { AudioNmixerout AudioNmono }, 6 },
{ { "phone" }, 7 }}};
/*
* Due to different values for each source that uses these structures,
* the ac97_query_devinfo function sets delta in mixer_devinfo_t using
* ac97_source_info.bits.
*/
static const struct audio_mixer_value ac97_volume_stereo = { { AudioNvolume },
2 };
static const struct audio_mixer_value ac97_volume_mono = { { AudioNvolume },
1 };
@ -676,6 +680,11 @@ ac97_query_devinfo(codec_if, dip)
strcpy(dip->label.name, name);
bcopy(si->info, &dip->un, si->info_size);
/* Set the delta for volume sources */
if (dip->type == AUDIO_MIXER_VALUE)
dip->un.v.delta = 1 << (8 - si->bits);
return (0);
}