diff options
Diffstat (limited to 'sound/usb/pcm.c')
-rw-r--r-- | sound/usb/pcm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index b0369df53910..e692ae04436a 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -291,6 +291,9 @@ int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip, bool is_playback; int err; + if (fmt->sync_ep) + return 0; /* already set up */ + alts = snd_usb_get_host_interface(chip, fmt->iface, fmt->altsetting); if (!alts) return 0; |