diff -u alsa-lib-1.0.15/debian/changelog alsa-lib-1.0.15/debian/changelog
--- alsa-lib-1.0.15/debian/changelog
+++ alsa-lib-1.0.15/debian/changelog
@@ -1,3 +1,12 @@
+alsa-lib (1.0.15-3ubuntu4.1) hardy-proposed; urgency=low
+
+  * debian/patches/ioplug_setstate.diff: Backport from alsa-lib 1.0.16 to
+    change the PCM status of the ioplug to the given value. Needed by
+    a backported fix for the pcm pulse plugin in alsa-plugins.
+  * Bumped shlibs, as new symbol added to the ioplug plugin.
+
+ -- Luke Yelavich <luke.yelavich@canonical.com>  Thu, 29 May 2008 14:32:23 +1000
+
 alsa-lib (1.0.15-3ubuntu4) hardy; urgency=low
 
   * Backport fixes from hg tip (no API/ABI changes):
diff -u alsa-lib-1.0.15/debian/patches/series alsa-lib-1.0.15/debian/patches/series
--- alsa-lib-1.0.15/debian/patches/series
+++ alsa-lib-1.0.15/debian/patches/series
@@ -20,0 +21 @@
+ioplug_setstate.diff
diff -u alsa-lib-1.0.15/debian/rules alsa-lib-1.0.15/debian/rules
--- alsa-lib-1.0.15/debian/rules
+++ alsa-lib-1.0.15/debian/rules
@@ -154,9 +154,9 @@
 	dh_fixperms -i
 
 binary-arch: build-arch-stamp install-arch
-	dh_makeshlibs -plibasound2  -V'libasound2 (>> 1.0.14)'
+	dh_makeshlibs -plibasound2  -V'libasound2 (>= 1.0.15-3ubuntu4.1)'
 ifneq (,$(build_biarch_stamp))
-	dh_makeshlibs -plib$(bi)asound2  -V'lib$(bi)asound2 (>> 1.0.14)'
+	dh_makeshlibs -plib$(bi)asound2  -V'lib$(bi)asound2 (>= 1.0.15-3ubuntu4.1)'
 endif
 
 	dh_installdeb -s
only in patch2:
unchanged:
--- alsa-lib-1.0.15.orig/debian/patches/ioplug_setstate.diff
+++ alsa-lib-1.0.15/debian/patches/ioplug_setstate.diff
@@ -0,0 +1,45 @@
+diff -r f7be4703e22e -r 0b2df0817fb6 include/pcm_ioplug.h
+--- a/include/pcm_ioplug.h	Fri Dec 14 09:11:01 2007 +0100
++++ b/include/pcm_ioplug.h	Fri Dec 14 15:19:03 2007 +0100
+@@ -208,6 +208,9 @@ int snd_pcm_ioplug_set_param_minmax(snd_
+ int snd_pcm_ioplug_set_param_minmax(snd_pcm_ioplug_t *io, int type, unsigned int min, unsigned int max);
+ int snd_pcm_ioplug_set_param_list(snd_pcm_ioplug_t *io, int type, unsigned int num_list, const unsigned int *list);
+ 
++/* change PCM status */
++int snd_pcm_ioplug_set_state(snd_pcm_ioplug_t *ioplug, snd_pcm_state_t state);
++
+ /** \} */
+ 
+ #endif /* __ALSA_PCM_IOPLUG_H */
+diff -r f7be4703e22e -r 0b2df0817fb6 src/pcm/pcm_ioplug.c
+--- a/src/pcm/pcm_ioplug.c	Fri Dec 14 09:11:01 2007 +0100
++++ b/src/pcm/pcm_ioplug.c	Fri Dec 14 15:19:03 2007 +0100
+@@ -614,6 +614,8 @@ static snd_pcm_sframes_t snd_pcm_ioplug_
+ 	snd_pcm_uframes_t avail;
+ 
+ 	snd_pcm_ioplug_hw_ptr_update(pcm);
++	if (io->data->state == SNDRV_PCM_STATE_XRUN)
++		return -EPIPE;
+ 	if (pcm->stream == SND_PCM_STREAM_CAPTURE &&
+ 	    pcm->access != SND_PCM_ACCESS_RW_INTERLEAVED &&
+ 	    pcm->access != SND_PCM_ACCESS_RW_NONINTERLEAVED) {
+@@ -1037,3 +1039,19 @@ const snd_pcm_channel_area_t *snd_pcm_io
+ 		return snd_pcm_mmap_areas(ioplug->pcm);
+ 	return NULL;
+ }
++
++/**
++ * \brief Change the ioplug PCM status
++ * \param ioplug the ioplug handle
++ * \param state the PCM status
++ * \return zero if successful or a negative error code
++ *
++ * Changes the PCM status of the ioplug to the given value.
++ * This function can be used for external plugins to notify the status
++ * change, e.g. XRUN.
++ */
++int snd_pcm_ioplug_set_state(snd_pcm_ioplug_t *ioplug, snd_pcm_state_t state)
++{
++	ioplug->state = state;
++	return 0;
++}