diff options
| author | Paul Mackerras <paulus@samba.org> | 2006-10-31 15:24:45 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-11-28 13:46:34 +0100 |
| commit | 80b8d5d6bc0000c6e499260883cfc95e645f49d1 (patch) | |
| tree | b3248f158a74179b039bc29455a35c5c0fe4fc1e /sound/aoa | |
| parent | ac5d1a7d253f3c02d1e5c93edfa26e81466ec71e (diff) | |
| download | linux-80b8d5d6bc0000c6e499260883cfc95e645f49d1.tar.bz2 | |
[ALSA] Enable stereo line input for TAS codec
Despite what the data sheet says in one place, to get stereo input
from input A (line in), we have to clear the 'input B monaural' bit in
the ACR.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/aoa')
| -rw-r--r-- | sound/aoa/codecs/snd-aoa-codec-tas.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sound/aoa/codecs/snd-aoa-codec-tas.c b/sound/aoa/codecs/snd-aoa-codec-tas.c index 2ef55a17917c..9de8485ba3f5 100644 --- a/sound/aoa/codecs/snd-aoa-codec-tas.c +++ b/sound/aoa/codecs/snd-aoa-codec-tas.c @@ -514,9 +514,15 @@ static int tas_snd_capture_source_put(struct snd_kcontrol *kcontrol, mutex_lock(&tas->mtx); oldacr = tas->acr; - tas->acr &= ~TAS_ACR_INPUT_B; + /* + * Despite what the data sheet says in one place, the + * TAS_ACR_B_MONAUREAL bit forces mono output even when + * input A (line in) is selected. + */ + tas->acr &= ~(TAS_ACR_INPUT_B | TAS_ACR_B_MONAUREAL); if (ucontrol->value.enumerated.item[0]) - tas->acr |= TAS_ACR_INPUT_B; + tas->acr |= TAS_ACR_INPUT_B | TAS_ACR_B_MONAUREAL | + TAS_ACR_B_MON_SEL_RIGHT; if (oldacr == tas->acr) { mutex_unlock(&tas->mtx); return 0; @@ -686,8 +692,7 @@ static int tas_reset_init(struct tas *tas) if (tas_write_reg(tas, TAS_REG_MCS, 1, &tmp)) goto outerr; - tas->acr |= TAS_ACR_ANALOG_PDOWN | TAS_ACR_B_MONAUREAL | - TAS_ACR_B_MON_SEL_RIGHT; + tas->acr |= TAS_ACR_ANALOG_PDOWN; if (tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr)) goto outerr; |