2 files changed, 12 insertions, 0 deletions

diff --git a/firmware/drivers/audio/mas35xx.c b/firmware/drivers/audio/mas35xx.c
index 403ce07068..1a0d2afe45 100644
--- a/firmware/drivers/audio/mas35xx.c
+++ b/firmware/drivers/audio/mas35xx.c
@@ -161,6 +161,13 @@ void audiohw_set_bass(int val)
 #endif
 }
 
+#if CONFIG_CODEC == MAS3507D
+void audiohw_set_prescaler(int val)
+{
+    mas_writereg(MAS_REG_KPRESCALE, prescale_table[val/10]);
+}
+#endif
+
 void audiohw_set_treble(int val)
 {
 #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
diff --git a/firmware/drivers/audio/uda1380.c b/firmware/drivers/audio/uda1380.c
index f6a7c730cb..388e59b1d2 100644
--- a/firmware/drivers/audio/uda1380.c
+++ b/firmware/drivers/audio/uda1380.c
@@ -282,6 +282,11 @@ void audiohw_postinit(void)
     audiohw_mute(false);
 }
 
+void audiohw_set_prescaler(int val)
+{
+    audiohw_set_mixer_vol(tenthdb2mixer(-val), tenthdb2mixer(-val));
+}
+
 /* Nice shutdown of UDA1380 codec */
 void audiohw_close(void)
 {