Now that the indirect-PCM transfer helper gives back an error, we
should return the error from ack callbacks.
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
        struct snd_pcm_indirect *pcm_indirect = &alsa_stream->pcm_indirect;
 
        pcm_indirect->hw_queue_size = runtime->hw.buffer_bytes_max;
-       snd_pcm_indirect_playback_transfer(substream, pcm_indirect,
-                                          snd_bcm2835_pcm_transfer);
-       return 0;
+       return snd_pcm_indirect_playback_transfer(substream, pcm_indirect,
+                                                 snd_bcm2835_pcm_transfer);
 }
 
 /* trigger callback */