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Bluetooth: Audio: Fix PAST support for bap_scan_delegator

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Fixed PAST support for bap_scan_delegator

Signed-off-by: Lucas Mathias Balling <lutb@demant.com>
This commit is contained in:
Lucas Mathias Balling 2024-10-04 13:34:42 +02:00 • committed by Carles Cufí
commit 01872642f4
2 changed files with 23 additions and 0 deletions
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7
subsys/bluetooth/audio/bap_scan_delegator.c
View file

@ -822,6 +822,7 @@ static int scan_delegator_mod_src(struct bt_conn *conn,
*/
if (pa_sync != BT_BAP_BASS_PA_REQ_NO_SYNC &&
state->pa_sync_state != BT_BAP_PA_STATE_SYNCED) {
const uint8_t pa_sync_state = state->pa_sync_state;
const int err = pa_sync_request(conn, state, pa_sync,
pa_interval);
@ -834,6 +835,12 @@ static int scan_delegator_mod_src(struct bt_conn *conn,
err);
return BT_GATT_ERR(BT_ATT_ERR_WRITE_REQ_REJECTED);
} else if (pa_sync_state != state->pa_sync_state) {
/* Temporary work around if the state is changed when pa_sync_request is
* called. See https://github.com/zephyrproject-rtos/zephyr/issues/79308 for
* more information about this issue.
*/
state_changed = true;
}
} else if (pa_sync == BT_BAP_BASS_PA_REQ_NO_SYNC &&
(state->pa_sync_state == BT_BAP_PA_STATE_INFO_REQ ||

16
tests/bsim/bluetooth/audio/src/bap_scan_delegator_test.c
View file

@ -138,6 +138,7 @@ static int pa_sync_past(struct bt_conn *conn,
struct bt_le_per_adv_sync_transfer_param param = { 0 };
int err;
param.options = BT_LE_PER_ADV_SYNC_TRANSFER_OPT_FILTER_DUPLICATES;
param.skip = PA_SYNC_SKIP;
param.timeout = interval_to_sync_timeout(pa_interval);
@ -267,6 +268,13 @@ static int pa_sync_req_cb(struct bt_conn *conn,
if (past_avail) {
err = pa_sync_past(conn, state, pa_interval);
if (err == 0) {
err = bt_bap_scan_delegator_set_pa_state(state->recv_state->src_id,
BT_BAP_PA_STATE_INFO_REQ);
if (err != 0) {
printk("Failed to set INFO_REQ state: %d", err);
}
}
} else {
err = pa_sync_no_past(state, pa_interval);
}
@ -358,6 +366,14 @@ static void pa_synced_cb(struct bt_le_per_adv_sync *sync,
printk("PA %p synced\n", sync);
if (info->conn) { /* if from PAST */
for (size_t i = 0U; i < ARRAY_SIZE(sync_states); i++) {
if (!sync_states[i].pa_sync) {
sync_states[i].pa_sync = sync;
}
}
}
state = sync_state_get_by_pa(sync);
if (state == NULL) {
FAIL("Could not get sync state from PA sync %p\n", sync);