static int st_output_switch_put(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
struct xonar_pcm179x *data = chip->model_data;
u16 gpio_old, gpio;
mutex_lock(&chip->mutex);
gpio_old = oxygen_read16(chip, OXYGEN_GPIO_DATA);
gpio = gpio_old;
switch (value->value.enumerated.item[0]) {
case 0:
gpio &= ~(GPIO_ST_HP | GPIO_ST_HP_REAR);
break;
case 1:
gpio |= GPIO_ST_HP | GPIO_ST_HP_REAR;
break;
case 2:
gpio = (gpio | GPIO_ST_HP) & ~GPIO_ST_HP_REAR;
break;
}
oxygen_write16(chip, OXYGEN_GPIO_DATA, gpio);
data->hp_active = gpio & GPIO_ST_HP;
update_pcm1796_volume(chip);
mutex_unlock(&chip->mutex);
return gpio != gpio_old;
}
static void pcm1796_init(struct oxygen *chip)
{
struct xonar_data *data = chip->model_data;
unsigned int i;
for (i = 0; i < data->dacs; ++i) {
pcm1796_write(chip, i, 19, PCM1796_FLT_SHARP | PCM1796_ATS_1);
pcm1796_write(chip, i, 20, data->pcm1796_oversampling);
pcm1796_write(chip, i, 21, 0);
}
update_pcm1796_mute(chip); /* set ATLD before ATL/ATR */
update_pcm1796_volume(chip);
}
static int st_hp_volume_offset_put(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
static const s8 offsets[] = { 2*-18, 2*-6, 0 };
struct oxygen *chip = ctl->private_data;
struct xonar_pcm179x *data = chip->model_data;
s8 offset;
int changed;
if (value->value.enumerated.item[0] > 2)
return -EINVAL;
offset = offsets[value->value.enumerated.item[0]];
mutex_lock(&chip->mutex);
changed = offset != data->hp_gain_offset;
if (changed) {
data->hp_gain_offset = offset;
update_pcm1796_volume(chip);
}
mutex_unlock(&chip->mutex);
return changed;
}
