[ALSA] oxygen: make line-in switch exclusive
The line input cannot be mixed with the other inputs, so we have to mute
the other input switches when it is selected.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h
index a10c377..4a0c663 100644
--- a/sound/pci/oxygen/oxygen.h
+++ b/sound/pci/oxygen/oxygen.h
@@ -18,6 +18,10 @@
enum {
CONTROL_SPDIF_PCM,
CONTROL_SPDIF_INPUT_BITS,
+ CONTROL_MIC_CAPTURE_SWITCH,
+ CONTROL_LINE_CAPTURE_SWITCH,
+ CONTROL_CD_CAPTURE_SWITCH,
+ CONTROL_AUX_CAPTURE_SWITCH,
CONTROL_COUNT
};
diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c
index f7350fa..fcb5813 100644
--- a/sound/pci/oxygen/oxygen_mixer.c
+++ b/sound/pci/oxygen/oxygen_mixer.c
@@ -402,6 +402,19 @@
return 0;
}
+static void ac97_mute_ctl(struct oxygen *chip, unsigned int control)
+{
+ unsigned int index = chip->controls[control]->private_value & 0xff;
+ u16 value;
+
+ value = oxygen_read_ac97(chip, 0, index);
+ if (!(value & 0x8000)) {
+ oxygen_write_ac97(chip, 0, index, value | 0x8000);
+ snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &chip->controls[control]->id);
+ }
+}
+
static int ac97_switch_put(struct snd_kcontrol *ctl,
struct snd_ctl_elem_value *value)
{
@@ -422,9 +435,20 @@
change = newreg != oldreg;
if (change) {
oxygen_write_ac97(chip, 0, index, newreg);
- if (index == AC97_LINE)
+ if (index == AC97_LINE) {
oxygen_write_ac97_masked(chip, 0, 0x72,
!!(newreg & 0x8000), 0x0001);
+ if (!(newreg & 0x8000)) {
+ ac97_mute_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
+ ac97_mute_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
+ ac97_mute_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
+ }
+ } else if ((index == AC97_MIC || index == AC97_CD ||
+ index == AC97_VIDEO || index == AC97_AUX) &&
+ bitnr == 15 && !(newreg & 0x8000)) {
+ ac97_mute_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
+ oxygen_write_ac97_masked(chip, 0, 0x72, 0x0001, 0x0001);
+ }
}
mutex_unlock(&chip->mutex);
return change;
@@ -600,6 +624,10 @@
SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
[CONTROL_SPDIF_INPUT_BITS] =
SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
+ [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
+ [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
+ [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
+ [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
};
unsigned int i, j;
struct snd_kcontrol *ctl;