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authorClemens Ladisch <clemens@ladisch.de>2007-07-30 10:14:31 +0400
committerJaroslav Kysela <perex@perex.cz>2007-10-16 17:58:13 +0400
commit29998d24ab5ec488cd127488246cc749b0ac52d6 (patch)
treebef33b79ed8c45f88c73871694418f563deaa10b /sound/pci/ice1712
parent82467611ffc41fba534c95f8b4ae3887a90f5a66 (diff)
downloadlinux-29998d24ab5ec488cd127488246cc749b0ac52d6.tar.xz
[ALSA] check for linked substreams of different cards
It is possible to have linked substreams that belong to different cards and/or different drivers. This patch changes some drivers to make sure that they do not incorrectly try to handle substreams of a different card. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/ice1712')
-rw-r--r--sound/pci/ice1712/ice1724.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index 32560cfb6c3f..23c9383e7cce 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -341,10 +341,12 @@ static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
what = 0;
snd_pcm_group_for_each_entry(s, substream) {
- const struct vt1724_pcm_reg *reg;
- reg = s->runtime->private_data;
- what |= reg->start;
- snd_pcm_trigger_done(s, substream);
+ if (snd_pcm_substream_chip(s) == ice) {
+ const struct vt1724_pcm_reg *reg;
+ reg = s->runtime->private_data;
+ what |= reg->start;
+ snd_pcm_trigger_done(s, substream);
+ }
}
switch (cmd) {