Index: uspace/Makefile
===================================================================
--- uspace/Makefile	(revision 25c98a8e68b8c4ccbb559de38fec247485ace683)
+++ uspace/Makefile	(revision b67968c77de1728bbe57709d1cc7ab18e050955e)
@@ -47,4 +47,5 @@
 	app/locinfo \
 	app/lsusb \
+	app/mixerctl \
 	app/mkfat \
 	app/mkmfs \
Index: uspace/app/mixerctl/Makefile
===================================================================
--- uspace/app/mixerctl/Makefile	(revision b67968c77de1728bbe57709d1cc7ab18e050955e)
+++ uspace/app/mixerctl/Makefile	(revision b67968c77de1728bbe57709d1cc7ab18e050955e)
@@ -0,0 +1,41 @@
+#
+# Copyright (c) 2011 Jan Vesely
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# - Redistributions of source code must retain the above copyright
+#   notice, this list of conditions and the following disclaimer.
+# - Redistributions in binary form must reproduce the above copyright
+#   notice, this list of conditions and the following disclaimer in the
+#   documentation and/or other materials provided with the distribution.
+# - The name of the author may not be used to endorse or promote products
+#   derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+USPACE_PREFIX = ../..
+BINARY = mixerctl
+
+LIBS = \
+	$(LIBDRV_PREFIX)/libdrv.a
+
+EXTRA_CFLAGS = \
+	-I$(LIBDRV_PREFIX)/include
+
+SOURCES = \
+	mixerctl.c
+
+include $(USPACE_PREFIX)/Makefile.common
Index: uspace/app/mixerctl/mixerctl.c
===================================================================
--- uspace/app/mixerctl/mixerctl.c	(revision b67968c77de1728bbe57709d1cc7ab18e050955e)
+++ uspace/app/mixerctl/mixerctl.c	(revision b67968c77de1728bbe57709d1cc7ab18e050955e)
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2011 Jiri Svoboda
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup mixerctl
+ * @{
+ */
+/** @file Mixer control for audio devices
+ */
+
+#include <errno.h>
+#include <str_error.h>
+#include <devman.h>
+#include <audio_mixer_iface.h>
+#include <stdio.h>
+
+#define DEFAULT_DEVICE "/hw/pci0/00:01.0/sb16/mixer"
+
+int main(int argc, char *argv[])
+{
+	devman_handle_t mixer_handle;
+	int ret = devman_fun_get_handle(DEFAULT_DEVICE, &mixer_handle, 0);
+	if (ret != EOK) {
+		printf("Failed to get device(%s) handle: %s.\n",
+		    DEFAULT_DEVICE, str_error(ret));
+		return 1;
+	}
+
+	async_sess_t *session = devman_device_connect(
+	    EXCHANGE_ATOMIC, mixer_handle, IPC_FLAG_BLOCKING);
+	if (!session) {
+		printf("Failed to connect to device.\n");
+		return 1;
+	}
+
+	async_exch_t *exch = async_exchange_begin(session);
+	if (!exch) {
+		printf("Failed to start session exchange.\n");
+		async_hangup(session);
+		return 1;
+	}
+
+	const char* name = NULL;
+	unsigned count = 0;
+	ret = audio_mixer_get_info(exch, &name, &count);
+	if (ret != EOK) {
+		printf("Failed to get mixer info: %s.\n", str_error(ret));
+		return 1;
+	}
+	printf("MIXER: %s.\n", name);
+
+	for (unsigned i = 0; i < count; ++i) {
+		const char *name = NULL;
+		unsigned channels = 0;
+		const int ret =
+		    audio_mixer_get_item_info(exch, i, &name, &channels);
+		if (ret != EOK) {
+			printf("Failed to get item %u info: %s.\n",
+			    i, str_error(ret));
+			continue;
+		}
+		for (unsigned j = 0; j < channels; ++j) {
+			const char *chan = NULL;
+			int ret = audio_mixer_get_channel_info(
+			    exch, i, j, &chan, NULL);
+			if (ret != EOK) {
+				printf(
+				    "Failed to get channel %u-%u info: %s.\n",
+				    i, j, str_error(ret));
+			}
+			unsigned level = 0, max = 0;
+			ret = audio_mixer_channel_volume_get(
+			    exch, i, j, &level, &max);
+			if (ret != EOK) {
+				printf("Failed to get channel %u-%u volume:"
+				    " %s.\n", i, j, str_error(ret));
+			}
+			bool mute = false;
+			ret = audio_mixer_channel_mute_get(
+			    exch, i, j, &mute);
+			if (ret != EOK) {
+				printf("Failed to get channel %u-%u mute"
+				    " status: %s.\n", i, j, str_error(ret));
+			}
+
+			printf("Channel(%u/%u) %s %s volume: %u/%u%s.\n",
+			    i, j, name, chan, level, max, mute ? " (M)":"");
+		}
+
+	}
+
+
+	async_exchange_end(exch);
+	async_hangup(session);
+	return 0;
+}
+
+/** @}
+ */