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-rw-r--r--sound/usb/pcm.c28
1 files changed, 13 insertions, 15 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 3265155df1b5..380d7275d187 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -232,21 +232,6 @@ static int start_endpoints(struct snd_usb_substream *subs)
!test_and_set_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags)) {
struct snd_usb_endpoint *ep = subs->sync_endpoint;
- if (subs->data_endpoint->iface != subs->sync_endpoint->iface ||
- subs->data_endpoint->altsetting != subs->sync_endpoint->altsetting) {
- err = usb_set_interface(subs->dev,
- subs->sync_endpoint->iface,
- subs->sync_endpoint->altsetting);
- if (err < 0) {
- clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags);
- dev_err(&subs->dev->dev,
- "%d:%d: cannot set interface (%d)\n",
- subs->sync_endpoint->iface,
- subs->sync_endpoint->altsetting, err);
- return -EIO;
- }
- }
-
dev_dbg(&subs->dev->dev, "Starting sync EP @%p\n", ep);
ep->sync_slave = subs->data_endpoint;
@@ -530,6 +515,19 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
subs->data_endpoint->sync_master = subs->sync_endpoint;
+ if (subs->data_endpoint->iface != subs->sync_endpoint->iface ||
+ subs->data_endpoint->altsetting != subs->sync_endpoint->altsetting) {
+ err = usb_set_interface(subs->dev,
+ subs->sync_endpoint->iface,
+ subs->sync_endpoint->altsetting);
+ if (err < 0)
+ return err;
+ dev_dbg(&dev->dev, "setting usb interface %d:%d\n",
+ subs->sync_endpoint->iface,
+ subs->sync_endpoint->altsetting);
+ snd_usb_set_interface_quirk(dev);
+ }
+
return 0;
}