diff --git a/alsa-lib.spec b/alsa-lib.spec
index d56b84f..d2e412c 100644
--- a/alsa-lib.spec
+++ b/alsa-lib.spec
@@ -15,6 +15,8 @@ Patch0:  alsa-lib-1.0.17-config.patch
 Patch2:  alsa-lib-1.0.14-glibc-open.patch
 Patch4:	 alsa-lib-1.0.16-no-dox-date.patch
 Patch5:  alsa-lib-1.0.21-weight.patch
+Patch6:  alsa-lib-1.0.21-revert-hook.patch
+Patch7:  alsa-lib-1.0.21-dmix-conf.patch
 URL:     http://www.alsa-project.org/
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
 BuildRequires: doxygen
@@ -47,6 +49,8 @@ against the ALSA libraries and interfaces.
 %patch2 -p1 -b .glibc-open
 %patch4 -p1 -b .no-dox-date
 %patch5 -p1 -b .weight
+%patch6 -p1 -b .revert
+%patch7 -p1 -b .dmix
 
 %build
 %configure --disable-aload
@@ -96,6 +100,9 @@ rm -rf %{buildroot}
 %{_datadir}/aclocal/alsa.m4
 
 %changelog
+* Wed Sep  9 2009 Jaroslav Kysela <jkysela@redhat.com> - 1.0.21-3
+- Fix redhat bug #521988
+
 * Mon Sep  7 2009 Jaroslav Kysela <jkysela@redhat.com> - 1.0.21-2
 - Added mixer weight patch for Speaker and Beep controls