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[ALSA] Stereo controls for M-Audio Revolution cards 

This patch adds stereo controls to revo cards by making the ak4xxx
driver mixers configurable from the card driver.

Signed-off-by: Jani Alinikula <janialinikula@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
hifive-unleashed-5.1
Jani Alinikula 2006-06-27 15:00:55 +02:00 committed by Jaroslav Kysela
parent be7ee27822
commit c83c0c4705
3 changed files with 105 additions and 9 deletions
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2
include/sound/ak4xxx-adda.h
View File

@ -53,6 +53,8 @@ struct snd_akm4xxx {
SND_AK4524, SND_AK4528, SND_AK4529,
SND_AK4355, SND_AK4358, SND_AK4381
} type;
unsigned int *num_stereo; /* array of combined counts for the mixer */
char **channel_names; /* array of mixer channel names */
struct snd_ak4xxx_ops ops;
};

89
sound/i2c/other/ak4xxx-adda.c
View File

@ -292,6 +292,64 @@ static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
return change;
}
static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = mask;
return 0;
}
static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
int chip = AK_GET_CHIP(kcontrol->private_value);
int addr = AK_GET_ADDR(kcontrol->private_value);
int invert = AK_GET_INVERT(kcontrol->private_value);
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
unsigned char val = snd_akm4xxx_get(ak, chip, addr);
ucontrol->value.integer.value[0] = invert ? mask - val : val;
val = snd_akm4xxx_get(ak, chip, addr+1);
ucontrol->value.integer.value[1] = invert ? mask - val : val;
return 0;
}
static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
int chip = AK_GET_CHIP(kcontrol->private_value);
int addr = AK_GET_ADDR(kcontrol->private_value);
int invert = AK_GET_INVERT(kcontrol->private_value);
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
unsigned char nval = ucontrol->value.integer.value[0] % (mask+1);
int change0, change1;
if (invert)
nval = mask - nval;
change0 = snd_akm4xxx_get(ak, chip, addr) != nval;
if (change0)
snd_akm4xxx_write(ak, chip, addr, nval);
nval = ucontrol->value.integer.value[1] % (mask+1);
if (invert)
nval = mask - nval;
change1 = snd_akm4xxx_get(ak, chip, addr+1) != nval;
if (change1)
snd_akm4xxx_write(ak, chip, addr+1, nval);
return change0 || change1;
}
static int snd_akm4xxx_ipga_gain_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
@ -377,20 +435,35 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
unsigned int idx, num_emphs;
struct snd_kcontrol *ctl;
int err;
int mixer_ch = 0;
int num_stereo;
ctl = kmalloc(sizeof(*ctl), GFP_KERNEL);
if (! ctl)
return -ENOMEM;
for (idx = 0; idx < ak->num_dacs; ++idx) {
for (idx = 0; idx < ak->num_dacs; ) {
memset(ctl, 0, sizeof(*ctl));
strcpy(ctl->id.name, "DAC Volume");
ctl->id.index = idx + ak->idx_offset * 2;
if (ak->channel_names == NULL) {
strcpy(ctl->id.name, "DAC Volume");
num_stereo = 1;
ctl->id.index = mixer_ch + ak->idx_offset * 2;
} else {
strcpy(ctl->id.name, ak->channel_names[mixer_ch]);
num_stereo = ak->num_stereo[mixer_ch];
ctl->id.index = 0; //mixer_ch + ak->idx_offset * 2;
}
ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
ctl->count = 1;
ctl->info = snd_akm4xxx_volume_info;
ctl->get = snd_akm4xxx_volume_get;
ctl->put = snd_akm4xxx_volume_put;
if (num_stereo == 2) {
ctl->info = snd_akm4xxx_stereo_volume_info;
ctl->get = snd_akm4xxx_stereo_volume_get;
ctl->put = snd_akm4xxx_stereo_volume_put;
} else {
ctl->info = snd_akm4xxx_volume_info;
ctl->get = snd_akm4xxx_volume_get;
ctl->put = snd_akm4xxx_volume_put;
}
switch (ak->type) {
case SND_AK4524:
ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127); /* register 6 & 7 */
@ -419,9 +492,13 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
err = -EINVAL;
goto __error;
}
ctl->private_data = ak;
if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
goto __error;
idx += num_stereo;
mixer_ch++;
}
for (idx = 0; idx < ak->num_adcs && ak->type == SND_AK4524; ++idx) {
memset(ctl, 0, sizeof(*ctl));

23
sound/pci/ice1712/revo.c
View File

@ -87,12 +87,25 @@ static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
* initialize the chips on M-Audio Revolution cards
*/
static unsigned int revo71_num_stereo_front[] = {2};
static char *revo71_channel_names_front[] = {"PCM Playback Volume"};
static unsigned int revo71_num_stereo_surround[] = {1, 1, 2, 2};
static char *revo71_channel_names_surround[] = {"PCM Center Playback Volume", "PCM LFE Playback Volume",
"PCM Side Playback Volume", "PCM Rear Playback Volume"};
static unsigned int revo51_num_stereo[] = {2, 1, 1, 2};
static char *revo51_channel_names[] = {"PCM Playback Volume", "PCM Center Playback Volume",
"PCM LFE Playback Volume", "PCM Rear Playback Volume"};
static struct snd_akm4xxx akm_revo_front __devinitdata = {
.type = SND_AK4381,
.num_dacs = 2,
.ops = {
.set_rate_val = revo_set_rate_val
}
},
.num_stereo = revo71_num_stereo_front,
.channel_names = revo71_channel_names_front
};
static struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = {
@ -113,7 +126,9 @@ static struct snd_akm4xxx akm_revo_surround __devinitdata = {
.num_dacs = 6,
.ops = {
.set_rate_val = revo_set_rate_val
}
},
.num_stereo = revo71_num_stereo_surround,
.channel_names = revo71_channel_names_surround
};
static struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = {
@ -133,7 +148,9 @@ static struct snd_akm4xxx akm_revo51 __devinitdata = {
.num_dacs = 6,
.ops = {
.set_rate_val = revo_set_rate_val
}
},
.num_stereo = revo51_num_stereo,
.channel_names = revo51_channel_names
};
static struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {