ALSA: mips: Deliver indirect-PCM transfer error

Now that the indirect-PCM transfer helper gives back an error, we
should return the error from ack callbacks.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/mips/hal2.c

@@ -616,10 +616,9 @@ static int hal2_playback_ack(struct snd_pcm_substream *substream)
 	struct hal2_codec *dac = &hal2->dac;
 
 	dac->pcm_indirect.hw_queue_size = H2_BUF_SIZE / 2;
-	snd_pcm_indirect_playback_transfer(substream,
+	return snd_pcm_indirect_playback_transfer(substream,
 						  &dac->pcm_indirect,
 						  hal2_playback_transfer);
-	return 0;
 }
 
 static int hal2_capture_open(struct snd_pcm_substream *substream)
@@ -707,10 +706,9 @@ static int hal2_capture_ack(struct snd_pcm_substream *substream)
 	struct snd_hal2 *hal2 = snd_pcm_substream_chip(substream);
 	struct hal2_codec *adc = &hal2->adc;
 
-	snd_pcm_indirect_capture_transfer(substream,
+	return snd_pcm_indirect_capture_transfer(substream,
 						 &adc->pcm_indirect,
 						 hal2_capture_transfer);
-	return 0;
 }
 
 static struct snd_pcm_ops hal2_playback_ops = {