sound: oxygen: add digital filter control
Add a control to select between sharp and slow roll-of filter responses
of the DACs.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/oxygen/xonar_cs43xx.c b/sound/pci/oxygen/xonar_cs43xx.c
index a83f827..16c226b 100644
--- a/sound/pci/oxygen/xonar_cs43xx.c
+++ b/sound/pci/oxygen/xonar_cs43xx.c
@@ -69,7 +69,7 @@
struct xonar_cs43xx {
struct xonar_generic generic;
- u8 cs4398_regs[7];
+ u8 cs4398_regs[8];
u8 cs4362a_regs[15];
};
@@ -121,12 +121,11 @@
cs4398_write(chip, 4, data->cs4398_regs[4]);
cs4398_write(chip, 5, data->cs4398_regs[5]);
cs4398_write(chip, 6, data->cs4398_regs[6]);
- cs4398_write(chip, 7, CS4398_RMP_DN | CS4398_RMP_UP |
- CS4398_ZERO_CROSS | CS4398_SOFT_RAMP);
+ cs4398_write(chip, 7, data->cs4398_regs[7]);
cs4362a_write(chip, 0x02, CS4362A_DIF_LJUST);
cs4362a_write(chip, 0x03, CS4362A_MUTEC_6 | CS4362A_AMUTE |
CS4362A_RMP_UP | CS4362A_ZERO_CROSS | CS4362A_SOFT_RAMP);
- cs4362a_write(chip, 0x04, CS4362A_RMP_DN | CS4362A_DEM_NONE);
+ cs4362a_write(chip, 0x04, data->cs4362a_regs[0x04]);
cs4362a_write(chip, 0x05, 0);
for (i = 6; i <= 14; ++i)
cs4362a_write(chip, i, data->cs4362a_regs[i]);
@@ -147,6 +146,9 @@
CS4398_MUTE_B | CS4398_MUTE_A | CS4398_PAMUTE;
data->cs4398_regs[5] = 60 * 2;
data->cs4398_regs[6] = 60 * 2;
+ data->cs4398_regs[7] = CS4398_RMP_DN | CS4398_RMP_UP |
+ CS4398_ZERO_CROSS | CS4398_SOFT_RAMP;
+ data->cs4362a_regs[4] = CS4362A_RMP_DN | CS4362A_DEM_NONE;
data->cs4362a_regs[6] = CS4362A_FM_SINGLE |
CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L;
data->cs4362a_regs[7] = 60 | CS4362A_MUTE;
@@ -286,6 +288,68 @@
.private_value = GPIO_D1_FRONT_PANEL,
};
+static int rolloff_info(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_info *info)
+{
+ static const char *const names[2] = {
+ "Fast Roll-off", "Slow Roll-off"
+ };
+
+ info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ info->count = 1;
+ info->value.enumerated.items = 2;
+ if (info->value.enumerated.item >= 2)
+ info->value.enumerated.item = 1;
+ strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
+ return 0;
+}
+
+static int rolloff_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_cs43xx *data = chip->model_data;
+
+ value->value.enumerated.item[0] =
+ (data->cs4398_regs[7] & CS4398_FILT_SEL) != 0;
+ return 0;
+}
+
+static int rolloff_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_cs43xx *data = chip->model_data;
+ int changed;
+ u8 reg;
+
+ mutex_lock(&chip->mutex);
+ reg = data->cs4398_regs[7];
+ if (value->value.enumerated.item[0])
+ reg |= CS4398_FILT_SEL;
+ else
+ reg &= ~CS4398_FILT_SEL;
+ changed = reg != data->cs4398_regs[7];
+ if (changed) {
+ cs4398_write(chip, 7, reg);
+ if (reg & CS4398_FILT_SEL)
+ reg = data->cs4362a_regs[0x04] | CS4362A_FILT_SEL;
+ else
+ reg = data->cs4362a_regs[0x04] & ~CS4362A_FILT_SEL;
+ cs4362a_write(chip, 0x04, reg);
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static const struct snd_kcontrol_new rolloff_control = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "DAC Filter Playback Enum",
+ .info = rolloff_info,
+ .get = rolloff_get,
+ .put = rolloff_put,
+};
+
static void xonar_d1_line_mic_ac97_switch(struct oxygen *chip,
unsigned int reg, unsigned int mute)
{
@@ -309,7 +373,15 @@
static int xonar_d1_mixer_init(struct oxygen *chip)
{
- return snd_ctl_add(chip->card, snd_ctl_new1(&front_panel_switch, chip));
+ int err;
+
+ err = snd_ctl_add(chip->card, snd_ctl_new1(&front_panel_switch, chip));
+ if (err < 0)
+ return err;
+ err = snd_ctl_add(chip->card, snd_ctl_new1(&rolloff_control, chip));
+ if (err < 0)
+ return err;
+ return 0;
}
static const struct oxygen_model model_xonar_d1 = {