Bluetooth: BAP: Unicast: Add common state and ops checks

Add functions to collect the ASE state transtion and ASE operation checks Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>

Author: Thalley

subsys/bluetooth/audio/ascs.c

@@ -608,91 +608,9 @@ int ascs_ep_set_state(struct bt_bap_ep *ep, enum bt_bap_ep_state state)
 {
 struct bt_ascs_ase *ase = CONTAINER_OF(ep, struct bt_ascs_ase, ep);
 const enum bt_bap_ep_state old_state = ep->state;
-bool valid_state_transition = false;
 int err;
 
-switch (state) {
-case BT_BAP_EP_STATE_IDLE:
-valid_state_transition = true;
-break;
-case BT_BAP_EP_STATE_CODEC_CONFIGURED:
-switch (old_state) {
-case BT_BAP_EP_STATE_IDLE:
-case BT_BAP_EP_STATE_CODEC_CONFIGURED:
-case BT_BAP_EP_STATE_QOS_CONFIGURED:
-case BT_BAP_EP_STATE_RELEASING:
-valid_state_transition = true;
-break;
-default:
-break;
-} break;
-case BT_BAP_EP_STATE_QOS_CONFIGURED:
-switch (old_state) {
-case BT_BAP_EP_STATE_CODEC_CONFIGURED:
-case BT_BAP_EP_STATE_QOS_CONFIGURED:
-valid_state_transition = true;
-break;
-case BT_BAP_EP_STATE_DISABLING:
-valid_state_transition = ep->dir == BT_AUDIO_DIR_SOURCE;
-break;
-case BT_BAP_EP_STATE_ENABLING:
-case BT_BAP_EP_STATE_STREAMING:
-/* Source ASE transition Streaming->QoS configured is valid on case of CIS
- * link-loss.
- */
-valid_state_transition =
-ep->dir == BT_AUDIO_DIR_SINK || ase->unexpected_iso_link_loss;
-break;
-default:
-break;
-} break;
-case BT_BAP_EP_STATE_ENABLING:
-switch (old_state) {
-case BT_BAP_EP_STATE_QOS_CONFIGURED:
-case BT_BAP_EP_STATE_ENABLING:
-valid_state_transition = true;
-break;
-default:
-break;
-} break;
-case BT_BAP_EP_STATE_STREAMING:
-switch (old_state) {
-case BT_BAP_EP_STATE_ENABLING:
-case BT_BAP_EP_STATE_STREAMING:
-valid_state_transition = true;
-break;
-default:
-break;
-} break;
-case BT_BAP_EP_STATE_DISABLING:
-switch (old_state) {
-case BT_BAP_EP_STATE_ENABLING:
-case BT_BAP_EP_STATE_STREAMING:
-valid_state_transition = ep->dir == BT_AUDIO_DIR_SOURCE;
-break;
-default:
-break;
-} break;
-case BT_BAP_EP_STATE_RELEASING:
-switch (old_state) {
-case BT_BAP_EP_STATE_CODEC_CONFIGURED:
-case BT_BAP_EP_STATE_QOS_CONFIGURED:
-case BT_BAP_EP_STATE_ENABLING:
-case BT_BAP_EP_STATE_STREAMING:
-valid_state_transition = true;
-break;
-case BT_BAP_EP_STATE_DISABLING:
-valid_state_transition = ep->dir == BT_AUDIO_DIR_SOURCE;
-break;
-default:
-break;
-} break;
-default:
-__ASSERT_PRINT("Unhandled state %d", state);
-break;
-}
-
-if (!valid_state_transition) {
+if (!bt_bap_stream_valid_state_transition(ep, state)) {
 BT_ASSERT_MSG(false, "Invalid state transition: %s -> %s",
  bt_bap_ep_state_str(old_state), bt_bap_ep_state_str(state));