Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=25543fa785a32ce22e7374ba403eb6d38854d037
Commit:     25543fa785a32ce22e7374ba403eb6d38854d037
Parent:     69a07304d52cc1080fa650c4ba7a82eed3cd143c
Author:     Clemens Ladisch <[EMAIL PROTECTED]>
AuthorDate: Tue Dec 11 08:55:16 2007 +0100
Committer:  Jaroslav Kysela <[EMAIL PROTECTED]>
CommitDate: Thu Jan 31 17:29:31 2008 +0100

    [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 <[EMAIL PROTECTED]>
    Signed-off-by: Jaroslav Kysela <[EMAIL PROTECTED]>
---
 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 8cb3436..bc0a195 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));
-
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