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| author | Clemens Ladisch <clemens@ladisch.de> | 2007-12-11 08:55:16 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 17:29:31 +0100 |
| commit | 25543fa785a32ce22e7374ba403eb6d38854d037 (patch) | |
| tree | ae570683772455dd138df49f202cb2c4ce8940d0 | |
| parent | 69a07304d52cc1080fa650c4ba7a82eed3cd143c (diff) | |
| download | blackbird-op-linux-25543fa785a32ce22e7374ba403eb6d38854d037.tar.gz blackbird-op-linux-25543fa785a32ce22e7374ba403eb6d38854d037.zip | |
[ALSA] cmipci: document 'Modem' control version check
Add a comment that explains why the 'Modem' control doesn't work with
newer chips.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
| -rw-r--r-- | sound/pci/cmipci.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 8cb3436d0d9c..bc0a1959f920 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -2733,6 +2733,10 @@ static int __devinit snd_cmipci_mixer_new(struct cmipci *cm, int pcm_spdif_devic } /* card switches */ + /* + * newer chips don't have the register bits to force modem link + * detection; the bit that was FLINKON now mutes CH1 + */ if (cm->chip_version < 39) { err = snd_ctl_add(cm->card, snd_ctl_new1(&snd_cmipci_modem_switch, cm)); |
