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| author | Clemens Ladisch <clemens@ladisch.de> | 2008-01-14 08:57:05 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 17:29:57 +0100 |
| commit | 893e44ba5a7cc05d66b69806defc17dd762c3ba8 (patch) | |
| tree | 7fea3aa02fcf9b56c43c22397191e639eeeb3905 /sound/pci/oxygen/oxygen_mixer.c | |
| parent | 01a3affb2eebfd6c996c36d82bbbc6040eb3a7f1 (diff) | |
| download | kernel_samsung_smdk4412-893e44ba5a7cc05d66b69806defc17dd762c3ba8.zip kernel_samsung_smdk4412-893e44ba5a7cc05d66b69806defc17dd762c3ba8.tar.gz kernel_samsung_smdk4412-893e44ba5a7cc05d66b69806defc17dd762c3ba8.tar.bz2 | |
[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>
Diffstat (limited to 'sound/pci/oxygen/oxygen_mixer.c')
| -rw-r--r-- | sound/pci/oxygen/oxygen_mixer.c | 30 |
1 files changed, 29 insertions, 1 deletions
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 @@ static int ac97_switch_get(struct snd_kcontrol *ctl, 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 @@ static int ac97_switch_put(struct snd_kcontrol *ctl, 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 @@ int oxygen_mixer_init(struct oxygen *chip) 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; |