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ALSA: oxygen: X-Meridian: add S/PDIF source selection 

Add a mixer control to select between the on-board and extension board
S/PDIF inputs for the X-Meridian (2G).

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Clemens Ladisch 2011-01-10 16:35:38 +01:00 committed by Takashi Iwai
parent 860cffd57a
commit 64878dfbf7
1 changed files with 75 additions and 2 deletions
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77
sound/pci/oxygen/oxygen.c
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@ -28,7 +28,13 @@
*
* GPIO 0 -> DFS0 of AK5385
* GPIO 1 -> DFS1 of AK5385
* GPIO 8 -> enable headphone amplifier on HT-Omega models
*
* X-Meridian models:
* GPIO 4 -> enable extension S/PDIF input
* GPIO 6 -> enable on-board S/PDIF input
*
* Claro models:
* GPIO 8 -> enable headphone amplifier
*
* CM9780:
*
@ -124,6 +130,10 @@ MODULE_DEVICE_TABLE(pci, oxygen_ids);
#define GPIO_AK5385_DFS_DOUBLE 0x0001
#define GPIO_AK5385_DFS_QUAD 0x0002
#define GPIO_MERIDIAN_DIG_MASK 0x0050
#define GPIO_MERIDIAN_DIG_EXT 0x0010
#define GPIO_MERIDIAN_DIG_BOARD 0x0040
#define GPIO_CLARO_HP 0x0100
struct generic_data {
@ -238,6 +248,10 @@ static void generic_init(struct oxygen *chip)
static void meridian_init(struct oxygen *chip)
{
oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
GPIO_MERIDIAN_DIG_MASK);
oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
GPIO_MERIDIAN_DIG_BOARD, GPIO_MERIDIAN_DIG_MASK);
ak4396_init(chip);
ak5385_init(chip);
}
@ -506,6 +520,51 @@ static const struct snd_kcontrol_new hpf_control = {
.put = hpf_put,
};
static int meridian_dig_source_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
{
static const char *const names[2] = { "On-board", "Extension" };
return snd_ctl_enum_info(info, 1, 2, names);
}
static int meridian_dig_source_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
value->value.enumerated.item[0] =
!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) &
GPIO_MERIDIAN_DIG_EXT);
return 0;
}
static int meridian_dig_source_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
u16 old_reg, new_reg;
int changed;
mutex_lock(&chip->mutex);
old_reg = oxygen_read16(chip, OXYGEN_GPIO_DATA);
new_reg = old_reg & ~GPIO_MERIDIAN_DIG_MASK;
if (value->value.enumerated.item[0] == 0)
new_reg |= GPIO_MERIDIAN_DIG_BOARD;
else
new_reg |= GPIO_MERIDIAN_DIG_EXT;
changed = new_reg != old_reg;
if (changed)
oxygen_write16(chip, OXYGEN_GPIO_DATA, new_reg);
mutex_unlock(&chip->mutex);
return changed;
}
static const struct snd_kcontrol_new meridian_dig_source_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "IEC958 Source Capture Enum",
.info = meridian_dig_source_info,
.get = meridian_dig_source_get,
.put = meridian_dig_source_put,
};
static int generic_mixer_init(struct oxygen *chip)
{
return snd_ctl_add(chip->card, snd_ctl_new1(&rolloff_control, chip));
@ -524,6 +583,20 @@ static int generic_wm8785_mixer_init(struct oxygen *chip)
return 0;
}
static int meridian_mixer_init(struct oxygen *chip)
{
int err;
err = generic_mixer_init(chip);
if (err < 0)
return err;
err = snd_ctl_add(chip->card,
snd_ctl_new1(&meridian_dig_source_control, chip));
if (err < 0)
return err;
return 0;
}
static void dump_ak4396_registers(struct oxygen *chip,
struct snd_info_buffer *buffer)
{
@ -600,7 +673,7 @@ static int __devinit get_oxygen_model(struct oxygen *chip,
switch (id->driver_data) {
case MODEL_MERIDIAN:
chip->model.init = meridian_init;
chip->model.mixer_init = generic_mixer_init;
chip->model.mixer_init = meridian_mixer_init;
chip->model.resume = meridian_resume;
chip->model.set_adc_params = set_ak5385_params;
chip->model.dump_registers = dump_ak4396_registers;