volume: pa_cvolume_scale_mask: constify param

diff --git a/src/pulse/volume.c b/src/pulse/volume.c
index ffd42ec..6b0c4b6 100644 (file)
--- a/src/pulse/volume.c
+++ b/src/pulse/volume.c
@@ -789,7 +789,7 @@ pa_cvolume* pa_cvolume_scale(pa_cvolume *v, pa_volume_t max) {
     return v;
 }
 
-pa_cvolume* pa_cvolume_scale_mask(pa_cvolume *v, pa_volume_t max, pa_channel_map *cm, pa_channel_position_mask_t mask) {
+pa_cvolume* pa_cvolume_scale_mask(pa_cvolume *v, pa_volume_t max, const pa_channel_map *cm, pa_channel_position_mask_t mask) {
     unsigned c;
     pa_volume_t t = 0;
 

diff --git a/src/pulse/volume.h b/src/pulse/volume.h
index 03497f7..08db7cf 100644 (file)
--- a/src/pulse/volume.h
+++ b/src/pulse/volume.h
@@ -396,7 +396,7 @@ pa_cvolume* pa_cvolume_scale(pa_cvolume *v, pa_volume_t max);
  * of all channels selected via cm/mask equals max. This also modifies
  * the volume of those channels that are unmasked. The proportions
  * between the channel volumes are kept. \since 0.9.16 */
-pa_cvolume* pa_cvolume_scale_mask(pa_cvolume *v, pa_volume_t max, pa_channel_map *cm, pa_channel_position_mask_t mask);
+pa_cvolume* pa_cvolume_scale_mask(pa_cvolume *v, pa_volume_t max, const pa_channel_map *cm, pa_channel_position_mask_t mask);
 
 /** Set the passed volume to all channels at the specified channel
  * position. Will return the updated volume struct, or NULL if there