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Commit 64878dfb authored by Clemens Ladisch's avatar Clemens Ladisch Committed by Takashi Iwai
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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: default avatarClemens Ladisch <clemens@ladisch.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 860cffd5

sound/pci/oxygen/oxygen.c

+75 −2
Original line number Diff line number Diff line
@@ -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;