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-rw-r--r--sound/soc/sh/rcar/dvc.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
index 93b11e1c5d7f..02d971f69eff 100644
--- a/sound/soc/sh/rcar/dvc.c
+++ b/sound/soc/sh/rcar/dvc.c
@@ -8,6 +8,29 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+
+/*
+ * Playback Volume
+ * amixer set "DVC Out" 100%
+ *
+ * Capture Volume
+ * amixer set "DVC In" 100%
+ *
+ * Playback Mute
+ * amixer set "DVC Out Mute" on
+ *
+ * Capture Mute
+ * amixer set "DVC In Mute" on
+ *
+ * Volume Ramp
+ * amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
+ * amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
+ * amixer set "DVC Out Ramp" on
+ * aplay xxx.wav &
+ * amixer set "DVC Out" 80% // Volume Down
+ * amixer set "DVC Out" 100% // Volume Up
+ */
+
#include "rsnd.h"
#define RSND_DVC_NAME_SIZE 16