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authorEliot Blennerhassett <eblennerhassett@audioscience.com>2011-02-10 17:26:11 +1300
committerTakashi Iwai <tiwai@suse.de>2011-02-10 18:49:32 +0100
commitfc3a399019a5a54258095c9bb0e17d4be5d51e67 (patch)
treee097f648fe07054328300a51ff51870cba87eb60 /sound/pci/asihpi/hpi.h
parent1225367a481ae751738630158c7ca96aa1c7bac8 (diff)
ALSA: asihpi - Add volume mute control.
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/asihpi/hpi.h')
-rw-r--r--sound/pci/asihpi/hpi.h9
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);