handle IDLE speech frames in trau_frame code
diff --git a/include/openbsc/trau_frame.h b/include/openbsc/trau_frame.h
index d307c52..1d0a943 100644
--- a/include/openbsc/trau_frame.h
+++ b/include/openbsc/trau_frame.h
@@ -52,6 +52,8 @@
#define TRAU_FT_DATA_DOWN 0x16 /* 1 0 1 1 0 - 3.5.3 */
#define TRAU_FT_D145_SYNC 0x14 /* 1 0 1 0 0 - 3.5.3 */
#define TRAU_FT_EDATA 0x1f /* 1 1 1 1 1 - 3.5.4 */
+#define TRAU_FT_IDLE_UP 0x10 /* 1 0 0 0 0 - 3.5.5 */
+#define TRAU_FT_IDLE_DOWN 0x0e /* 0 1 1 1 0 - 3.5.5 */
int decode_trau_frame(struct decoded_trau_frame *fr, u_int8_t *trau_bits);