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[ALSA] virtuoso: fix DX front panel I/O

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Fix the GPIO 1 mixer control to enable I/O through the front panel
connector of the Xonar DX.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Clemens Ladisch 2008-04-15 08:57:31 +02:00 committed by Takashi Iwai
parent 6e9fc6bd5d
commit a8bb1bad9b
1 changed files with 20 additions and 31 deletions
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51
sound/pci/oxygen/virtuoso.c
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@ -47,7 +47,7 @@
* GPI 0 <- external power present
*
* GPIO 0 -> enable output to speakers
* GPIO 1 -> ?
* GPIO 1 -> enable front panel I/O
* GPIO 2 -> M0 of CS5361
* GPIO 3 -> M1 of CS5361
* GPIO 8 -> route input jack to line-in (0) or mic-in (1)
@ -119,7 +119,7 @@ MODULE_DEVICE_TABLE(pci, xonar_ids);
#define GPI_DX_EXT_POWER 0x01
#define GPIO_DX_OUTPUT_ENABLE 0x0001
#define GPIO_DX_UNKNOWN1 0x0002
#define GPIO_DX_FRONT_PANEL 0x0002
#define GPIO_DX_INPUT_ROUTE 0x0100
#define I2C_DEVICE_CS4398 0x9e /* 10011, AD1=1, AD0=1, /W=0 */
@ -268,8 +268,9 @@ static void xonar_dx_init(struct oxygen *chip)
cs4362a_write(chip, 0x01, CS4362A_CPEN);
oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
GPIO_DX_UNKNOWN1 | GPIO_DX_INPUT_ROUTE);
oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_DX_INPUT_ROUTE);
GPIO_DX_FRONT_PANEL | GPIO_DX_INPUT_ROUTE);
oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
GPIO_DX_FRONT_PANEL | GPIO_DX_INPUT_ROUTE);
xonar_common_init(chip);
@ -471,51 +472,39 @@ static const struct snd_kcontrol_new alt_switch = {
.put = alt_switch_put,
};
static int unknown_info(struct snd_kcontrol *ctl,
struct snd_ctl_elem_info *info)
{
info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
info->count = 1;
info->value.enumerated.items = 2;
if (info->value.enumerated.item > 1)
info->value.enumerated.item = 1;
sprintf(info->value.enumerated.name, "%u", info->value.enumerated.item);
return 0;
}
static int unknown_get(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
static int front_panel_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_DX_UNKNOWN1);
value->value.integer.value[0] =
!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & GPIO_DX_FRONT_PANEL);
return 0;
}
static int unknown_put(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
static int front_panel_put(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
struct oxygen *chip = ctl->private_data;
u16 old_reg, new_reg;
spin_lock_irq(&chip->reg_lock);
old_reg = oxygen_read16(chip, OXYGEN_GPIO_DATA);
if (value->value.enumerated.item[0])
new_reg = old_reg | GPIO_DX_UNKNOWN1;
if (value->value.integer.value[0])
new_reg = old_reg | GPIO_DX_FRONT_PANEL;
else
new_reg = old_reg & ~GPIO_DX_UNKNOWN1;
new_reg = old_reg & ~GPIO_DX_FRONT_PANEL;
oxygen_write16(chip, OXYGEN_GPIO_DATA, new_reg);
spin_unlock_irq(&chip->reg_lock);
return old_reg != new_reg;
}
static const struct snd_kcontrol_new unknown_switch = {
static const struct snd_kcontrol_new front_panel_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PanelConfig?",
.info = unknown_info,
.get = unknown_get,
.put = unknown_put,
.name = "Front Panel Switch",
.info = snd_ctl_boolean_mono_info,
.get = front_panel_get,
.put = front_panel_put,
};
static void xonar_dx_ac97_switch(struct oxygen *chip,
@ -565,7 +554,7 @@ static int xonar_mixer_init(struct oxygen *chip)
static int xonar_dx_mixer_init(struct oxygen *chip)
{
return snd_ctl_add(chip->card, snd_ctl_new1(&unknown_switch, chip));
return snd_ctl_add(chip->card, snd_ctl_new1(&front_panel_switch, chip));
}
static const struct oxygen_model xonar_models[] = {