ALSA: usb-audio: set period_bytes in substream.

[pandora-kernel.git] / sound / usb / pcm.c

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index f782ce1..786f7a0 100644 (file)
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -486,6 +486,8 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
        }
 
        if (changed) {
+               subs->period_bytes = params_period_bytes(hw_params);
+
                mutex_lock(&subs->stream->chip->shutdown_mutex);
                /* format changed */
                stop_endpoints(subs, 0, 0, 0);