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sound: oxygen: make mic volume control mono

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The microphone input and its volume register have only one channel, so
we have to make the corresponding mixer control a mono control.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Clemens Ladisch 2009-06-25 14:28:49 +02:00 committed by Takashi Iwai
parent 28d0325ce6
commit 14744d7da2
1 changed files with 18 additions and 10 deletions
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28
sound/pci/oxygen/oxygen_mixer.c
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@ -575,8 +575,10 @@ static int ac97_switch_put(struct snd_kcontrol *ctl,
static int ac97_volume_info(struct snd_kcontrol *ctl,
struct snd_ctl_elem_info *info)
{
int stereo = (ctl->private_value >> 16) & 1;
info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
info->count = 2;
info->count = stereo ? 2 : 1;
info->value.integer.min = 0;
info->value.integer.max = 0x1f;
return 0;
@ -587,6 +589,7 @@ static int ac97_volume_get(struct snd_kcontrol *ctl,
{
struct oxygen *chip = ctl->private_data;
unsigned int codec = (ctl->private_value >> 24) & 1;
int stereo = (ctl->private_value >> 16) & 1;
unsigned int index = ctl->private_value & 0xff;
u16 reg;
@ -594,7 +597,8 @@ static int ac97_volume_get(struct snd_kcontrol *ctl,
reg = oxygen_read_ac97(chip, codec, index);
mutex_unlock(&chip->mutex);
value->value.integer.value[0] = 31 - (reg & 0x1f);
value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
if (stereo)
value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
return 0;
}
@ -603,6 +607,7 @@ static int ac97_volume_put(struct snd_kcontrol *ctl,
{
struct oxygen *chip = ctl->private_data;
unsigned int codec = (ctl->private_value >> 24) & 1;
int stereo = (ctl->private_value >> 16) & 1;
unsigned int index = ctl->private_value & 0xff;
u16 oldreg, newreg;
int change;
@ -612,8 +617,11 @@ static int ac97_volume_put(struct snd_kcontrol *ctl,
newreg = oldreg;
newreg = (newreg & ~0x1f) |
(31 - (value->value.integer.value[0] & 0x1f));
newreg = (newreg & ~0x1f00) |
((31 - (value->value.integer.value[0] & 0x1f)) << 8);
if (stereo)
newreg = (newreg & ~0x1f00) |
((31 - (value->value.integer.value[1] & 0x1f)) << 8);
else
newreg = (newreg & ~0x1f00) | ((newreg & 0x1f) << 8);
change = newreg != oldreg;
if (change)
oxygen_write_ac97(chip, codec, index, newreg);
@ -673,7 +681,7 @@ static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
.private_value = ((codec) << 24) | ((invert) << 16) | \
((bitnr) << 8) | (index), \
}
#define AC97_VOLUME(xname, codec, index) { \
#define AC97_VOLUME(xname, codec, index, stereo) { \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = xname, \
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
@ -682,7 +690,7 @@ static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
.get = ac97_volume_get, \
.put = ac97_volume_put, \
.tlv = { .p = ac97_db_scale, }, \
.private_value = ((codec) << 24) | (index), \
.private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
}
static DECLARE_TLV_DB_SCALE(monitor_db_scale, -1000, 1000, 0);
@ -882,18 +890,18 @@ static const struct {
};
static const struct snd_kcontrol_new ac97_controls[] = {
AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC),
AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
AC97_VOLUME("CD Capture Volume", 0, AC97_CD),
AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX),
AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
};
static const struct snd_kcontrol_new ac97_fp_controls[] = {
AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE),
AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,