bluetooth: sdp: add avdtp protocol

get the avdtp version through the bt_sdp_get_proto_param

Signed-off-by: Mark Wang <yichang.wang@nxp.com>

Author: MarkWangChinese

include/zephyr/bluetooth/classic/sdp.h

@@ -639,6 +639,7 @@ int bt_sdp_discover_cancel(struct bt_conn *conn,
 /** @brief Protocols to be asked about specific parameters */
 enum bt_sdp_proto {
 	BT_SDP_PROTO_RFCOMM = 0x0003,
+	BT_SDP_PROTO_AVDTP  = 0x0019,
 	BT_SDP_PROTO_L2CAP  = 0x0100,
 };
 

subsys/bluetooth/host/classic/sdp.c

@@ -3200,7 +3200,8 @@ int bt_sdp_get_proto_param(const struct net_buf *buf, enum bt_sdp_proto proto,
 	struct bt_sdp_uuid_desc pd;
 	int res;
 
-	if (proto != BT_SDP_PROTO_RFCOMM && proto != BT_SDP_PROTO_L2CAP) {
+	if (proto != BT_SDP_PROTO_RFCOMM && proto != BT_SDP_PROTO_L2CAP &&
+	    proto != BT_SDP_PROTO_AVDTP) {
 		LOG_ERR("Invalid protocol specifier");
 		return -EINVAL;
 	}
@@ -3227,7 +3228,8 @@ int bt_sdp_get_addl_proto_param(const struct net_buf *buf, enum bt_sdp_proto pro
 	struct bt_sdp_uuid_desc pd;
 	int res;
 
-	if (proto != BT_SDP_PROTO_RFCOMM && proto != BT_SDP_PROTO_L2CAP) {
+	if (proto != BT_SDP_PROTO_RFCOMM && proto != BT_SDP_PROTO_L2CAP &&
+	    proto != BT_SDP_PROTO_AVDTP) {
 		LOG_ERR("Invalid protocol specifier");
 		return -EINVAL;
 	}