[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>
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index 32560cf..23c9383 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -341,10 +341,12 @@
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) {