commit da28f2fa9ad9bb3fb3507e1c497b1d091cc54426
Author: popcornmix <popcornmix@gmail.com>
Date:   Fri Feb 21 17:15:59 2014 +0000

    alsa: Make alsa work queue high priority. Fixes underrun issues when using negitive nice priority

diff --git a/sound/arm/bcm2835-vchiq.c b/sound/arm/bcm2835-vchiq.c
index 4013d83..ee09b13 100755
--- a/sound/arm/bcm2835-vchiq.c
+++ b/sound/arm/bcm2835-vchiq.c
@@ -178,7 +178,7 @@ int bcm2835_audio_write(bcm2835_alsa_stream_t *alsa_stream,
 
 void my_workqueue_init(bcm2835_alsa_stream_t * alsa_stream)
 {
-	alsa_stream->my_wq = create_workqueue("my_queue");
+	alsa_stream->my_wq = alloc_workqueue("my_queue", WQ_HIGHPRI, 1);
 	return;
 }
 
