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Fix LR contrary problem of mixer and record gain polarity 

problem.  The change is based on the patches in PR kern/12878 by
Zdenek Salvet and PR kern/18901 by SUNAKAWA Hirokatsu.
This commit is contained in:
kent 2002-11-06 16:58:37 +00:00
parent 4b956b29cf
commit 12ac4ab865
1 changed files with 8 additions and 8 deletions
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16
sys/dev/ic/ac97.c
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@ -1,4 +1,4 @@
/* $NetBSD: ac97.c,v 1.36 2002/11/06 13:41:22 kent Exp $ */
/* $NetBSD: ac97.c,v 1.37 2002/11/06 16:58:37 kent Exp $ */
/* $OpenBSD: ac97.c,v 1.8 2000/07/19 09:01:35 csapuntz Exp $ */
/*
@ -63,7 +63,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ac97.c,v 1.36 2002/11/06 13:41:22 kent Exp $");
__KERNEL_RCSID(0, "$NetBSD: ac97.c,v 1.37 2002/11/06 16:58:37 kent Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -260,7 +260,7 @@ const struct ac97_source_info {
/* Record Gain */
{ AudioCrecord, AudioNvolume, NULL,
AUDIO_MIXER_VALUE, WRAP(ac97_volume_stereo),
AC97_REG_RECORD_GAIN, 0x8000, 4, 0, 1,
AC97_REG_RECORD_GAIN, 0x8000, 4, 0, 1, 1,
},
/* Record Gain mic */
{ AudioCrecord, AudioNmicrophone, NULL,
@ -1160,7 +1160,7 @@ ac97_mixer_set_port(codec_if, cp)
newval = ((l & mask) << si->ofs);
if (value->num_channels == 2) {
newval |= ((r & mask) << (si->ofs + 8));
newval = (newval << 8) | ((r & mask) << si->ofs);
mask |= (mask << 8);
}
mask = mask << si->ofs;
@ -1237,11 +1237,11 @@ ac97_mixer_get_port(codec_if, cp)
l = r = (val >> si->ofs) & mask;
} else {
if (!(as->host_flags & AC97_HOST_SWAPPED_CHANNELS)) {
l = (val >> si->ofs) & mask;
r = (val >> (si->ofs + 8)) & mask;
} else { /* host has reversed channels */
r = (val >> si->ofs) & mask;
l = (val >> (si->ofs + 8)) & mask;
r = (val >> si->ofs) & mask;
} else { /* host has reversed channels */
r = (val >> (si->ofs + 8)) & mask;
l = (val >> si->ofs) & mask;
}
}