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[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>
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parent
01a3affb2e
commit
893e44ba5a
2 changed files with 33 additions and 1 deletions
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@ -18,6 +18,10 @@
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enum {
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CONTROL_SPDIF_PCM,
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CONTROL_SPDIF_INPUT_BITS,
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CONTROL_MIC_CAPTURE_SWITCH,
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CONTROL_LINE_CAPTURE_SWITCH,
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CONTROL_CD_CAPTURE_SWITCH,
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CONTROL_AUX_CAPTURE_SWITCH,
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CONTROL_COUNT
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};
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@ -402,6 +402,19 @@ static int ac97_switch_get(struct snd_kcontrol *ctl,
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return 0;
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}
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static void ac97_mute_ctl(struct oxygen *chip, unsigned int control)
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{
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unsigned int index = chip->controls[control]->private_value & 0xff;
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u16 value;
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value = oxygen_read_ac97(chip, 0, index);
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if (!(value & 0x8000)) {
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oxygen_write_ac97(chip, 0, index, value | 0x8000);
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snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
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&chip->controls[control]->id);
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}
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}
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static int ac97_switch_put(struct snd_kcontrol *ctl,
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struct snd_ctl_elem_value *value)
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{
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@ -422,9 +435,20 @@ static int ac97_switch_put(struct snd_kcontrol *ctl,
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change = newreg != oldreg;
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if (change) {
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oxygen_write_ac97(chip, 0, index, newreg);
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if (index == AC97_LINE)
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if (index == AC97_LINE) {
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oxygen_write_ac97_masked(chip, 0, 0x72,
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!!(newreg & 0x8000), 0x0001);
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if (!(newreg & 0x8000)) {
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ac97_mute_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
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ac97_mute_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
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ac97_mute_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
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}
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} else if ((index == AC97_MIC || index == AC97_CD ||
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index == AC97_VIDEO || index == AC97_AUX) &&
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bitnr == 15 && !(newreg & 0x8000)) {
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ac97_mute_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
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oxygen_write_ac97_masked(chip, 0, 0x72, 0x0001, 0x0001);
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}
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}
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mutex_unlock(&chip->mutex);
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return change;
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@ -600,6 +624,10 @@ int oxygen_mixer_init(struct oxygen *chip)
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SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
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[CONTROL_SPDIF_INPUT_BITS] =
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SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
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[CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
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[CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
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[CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
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[CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
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};
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unsigned int i, j;
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struct snd_kcontrol *ctl;
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