** With RelateVolume, we will send VOLUME_UP/VOLUME_DOWN opposed to absolute volume level
** volume: Should be in the range 0-127. bit7 is reseved and cannot be set
*/
- bt_status_t (*set_volume)(uint8_t volume);
+ bt_status_t (*set_volume)(bt_bdaddr_t *bd_addr, uint32_t volume);
+
+ bt_status_t (*get_volume)(bt_bdaddr_t *bd_addr, uint32_t *volume);
/* Set addressed player response from TG to CT */
bt_status_t (*set_addressed_player_rsp)(bt_bdaddr_t *bd_addr, btrc_status_t rsp_status);