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| author | Takashi Iwai <tiwai@suse.de> | 2008-08-29 16:17:25 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-09-04 10:25:05 +0200 |
| commit | a6b936b956a2b70b6f49741403b5f8b90a8acc7f (patch) | |
| tree | b2c2a8ba8e9ce91cb71e346b9dd061fc6a316eee /sound/pci/ice1712 | |
| parent | eee75a6ca77a729c26258649abe992c15a6c76f6 (diff) | |
| download | blackbird-op-linux-a6b936b956a2b70b6f49741403b5f8b90a8acc7f.tar.gz blackbird-op-linux-a6b936b956a2b70b6f49741403b5f8b90a8acc7f.zip | |
ALSA: ice1724 - limit channels for multi-channel playback
Limit the available channels for multi-channel playback device to
the real number of channels. Until now, always up to 8 channels
are created, which are simply useless without the real outputs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/pci/ice1712')
| -rw-r--r-- | sound/pci/ice1712/ice1724.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 60119d220a66..7bb99df44fd1 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -942,7 +942,7 @@ static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_ice1712 *ice = snd_pcm_substream_chip(substream); - int chs; + int chs, num_indeps; runtime->private_data = (void *)&vt1724_playback_pro_reg; ice->playback_pro_substream = substream; @@ -952,7 +952,8 @@ static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream) set_rate_constraints(ice, substream); mutex_lock(&ice->open_mutex); /* calculate the currently available channels */ - for (chs = 0; chs < 3; chs++) { + num_indeps = ice->num_total_dacs / 2 - 1; + for (chs = 0; chs < num_indeps; chs++) { if (ice->pcm_reserved[chs]) break; } |
