1 files changed, 6 insertions, 0 deletions

diff --git a/firmware/export/tsc2100.h b/firmware/export/tsc2100.h
index 70b793266f..0816e68c21 100644
--- a/firmware/export/tsc2100.h
+++ b/firmware/export/tsc2100.h
@@ -128,4 +128,10 @@ void tsc2100_writereg(int page, int address, short value);
 #define TSAC5_PAGE          2
 #define TSAC5_ADDRESS       0x1e
 
+extern int tenthdb2master(int db);
+extern void audiohw_init(void);
+extern void audiohw_set_master_vol(int vol_l, int vol_r);
+extern void audiohw_set_lineout_vol(int vol_l, int vol_r);
+extern void audiohw_mute(bool mute);
+
 #endif