Fixes pulseaudio to allow it to work with the a52 alsa plugin
Index: pulseaudio-0.9.22~0.9.21+stable-queue-32-g8478/src/modules/alsa/alsa-sink.c
===================================================================
--- pulseaudio-0.9.22~0.9.21+stable-queue-32-g8478.orig/src/modules/alsa/alsa-sink.c	2010-07-12 18:01:57.008568115 +0100
+++ pulseaudio-0.9.22~0.9.21+stable-queue-32-g8478/src/modules/alsa/alsa-sink.c	2010-07-13 07:52:20.303377511 +0100
@@ -607,6 +607,9 @@
 
             if (PA_UNLIKELY((sframes = snd_pcm_mmap_commit(u->pcm_handle, offset, frames)) < 0)) {
 
+                if (!after_avail && (int) sframes == -EAGAIN)
+                    break;
+
                 if ((r = try_recover(u, "snd_pcm_mmap_commit", (int) sframes)) == 0)
                     continue;
 
@@ -941,7 +944,13 @@
     }
 
     pa_sink_set_max_request_within_thread(u->sink, u->hwbuf_size - u->hwbuf_unused);
-    pa_sink_set_max_rewind_within_thread(u->sink, u->hwbuf_size);
+
+    if (pa_alsa_pcm_is_hw(u->pcm_handle))
+        pa_sink_set_max_rewind_within_thread(u->sink, u->hwbuf_size);
+    else {
+        pa_log("Disabling rewind_within_thread for device %s", u->device_name);
+        pa_sink_set_max_rewind_within_thread(u->sink, 0);
+    }
 
     return 0;
 }
@@ -1883,7 +1892,13 @@
                 (double) pa_bytes_to_usec(u->hwbuf_size, &ss) / PA_USEC_PER_MSEC);
 
     pa_sink_set_max_request(u->sink, u->hwbuf_size);
-    pa_sink_set_max_rewind(u->sink, u->hwbuf_size);
+
+    if (pa_alsa_pcm_is_hw(u->pcm_handle))
+        pa_sink_set_max_rewind(u->sink, u->hwbuf_size);
+    else {
+        pa_log("Disabling rewind for device %s", u->device_name);
+        pa_sink_set_max_rewind(u->sink, 0);
+    }
 
     if (u->use_tsched) {
         u->tsched_watermark = pa_usec_to_bytes_round_up(pa_bytes_to_usec_round_up(tsched_watermark, &requested_ss), &u->sink->sample_spec);
Index: pulseaudio-0.9.22~0.9.21+stable-queue-32-g8478/src/modules/alsa/mixer/profile-sets/default.conf
===================================================================
--- pulseaudio-0.9.22~0.9.21+stable-queue-32-g8478.orig/src/modules/alsa/mixer/profile-sets/default.conf	2010-07-12 18:01:56.968569799 +0100
+++ pulseaudio-0.9.22~0.9.21+stable-queue-32-g8478/src/modules/alsa/mixer/profile-sets/default.conf	2010-07-12 18:01:57.128568886 +0100
@@ -120,13 +120,13 @@
 priority = 1
 
 [Mapping iec958-ac3-surround-40]
-device-strings = a52:%f
+device-strings = a52
 channel-map = front-left,front-right,rear-left,rear-right
 priority = 2
 direction = output
 
 [Mapping iec958-ac3-surround-51]
-device-strings = a52:%f
+device-strings = a52
 channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe
 priority = 3
 direction = output
Index: pulseaudio-0.9.22~0.9.21+stable-queue-32-g8478/src/daemon/daemon.conf.in
===================================================================
--- pulseaudio-0.9.22~0.9.21+stable-queue-32-g8478.orig/src/daemon/daemon.conf.in	2010-07-12 18:01:56.928569526 +0100
+++ pulseaudio-0.9.22~0.9.21+stable-queue-32-g8478/src/daemon/daemon.conf.in	2010-07-12 18:01:57.128568886 +0100
@@ -73,7 +73,7 @@
 ; rlimit-rttime = 1000000
 
 ; default-sample-format = s16le
-; default-sample-rate = 44100
+default-sample-rate = 48000
 ; default-sample-channels = 2
 ; default-channel-map = front-left,front-right