diff options
| author | Takashi Iwai <tiwai@suse.de> | 2007-05-10 16:56:09 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2007-05-16 11:45:28 +0200 |
| commit | b75e53f09212f12369156710e84d1cbf115113cd (patch) | |
| tree | 4649419d7fb59e5eb1dbb608bee2743a36761aa5 /sound/pci | |
| parent | d417045e7deeb37d97793805fe302da7b4f82eec (diff) | |
[ALSA] hda-codec - Make the mixer capability check more robust
In some cases, mixer elements return -EINVAL because it couldn't
obtain proper amp_cap bits. The patch improves the robustness,
trying the amp_cap query again in such a case.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 14649d54b49..8e89d56b640 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -707,7 +707,8 @@ static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) direction == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP); - info->status |= INFO_AMP_CAPS; + if (info->amp_caps) + info->status |= INFO_AMP_CAPS; } return info->amp_caps; } |