ALSA: asihpi - Add volume mute control.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 9 insertions, 0 deletions

diff --git a/sound/pci/asihpi/hpi.h b/sound/pci/asihpi/hpi.h
index bef90d44361..5ac978d0774 100644
--- a/sound/pci/asihpi/hpi.h
+++ b/sound/pci/asihpi/hpi.h
@@ -645,6 +645,11 @@ enum HPI_SWITCH_STATES {
 */
 #define HPI_GAIN_OFF                    (-100 * HPI_UNITS_PER_dB)
 
+/** channel mask specifying all channels
+\ingroup volume
+*/
+#define HPI_BITMASK_ALL_CHANNELS        (0xFFFFFFFF)
+
 /** value returned for no signal
 \ingroup meter
 */
@@ -1312,6 +1317,10 @@ u16 hpi_volume_get_gain(u32 h_control,
         short an_gain0_01dB_out[HPI_MAX_CHANNELS]
         );
 
+u16 hpi_volume_set_mute(u32 h_control, u32 mute);
+
+u16 hpi_volume_get_mute(u32 h_control, u32 *mute);
+
 #define hpi_volume_get_range hpi_volume_query_range
 u16 hpi_volume_query_range(u32 h_control, short *min_gain_01dB,
         short *max_gain_01dB, short *step_gain_01dB);