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Bluetooth: controller: Stop Sync ISO ticker when establishment fails

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When an ISO stream fails to sync to a broadcaster within the first 6
events, the establishment fails (as expected). However, it did not stop
the ticker, and subsequently it was impossible to establish a new sync
after this.

Make asynchronous call to ticker_stop when establishment fails, and exit
done handling. Cleanup is handled via ll_rx_dequeue().

Signed-off-by: Morten Priess <mtpr@oticon.com>
This commit is contained in:
Morten Priess 2024-05-30 15:14:21 +02:00 committed by Carles Cufí
parent 0e6bb8aa96
commit 64faceea72
1 changed files with 17 additions and 0 deletions
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17
subsys/bluetooth/controller/ll_sw/ull_sync_iso.c
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@ -731,6 +731,23 @@ void ull_sync_iso_done(struct node_rx_event_done *done)
elapsed_event = latency_event + 1U;
}
/* Check for establishmet failure */
if (done->extra.estab_failed) {
uint8_t handle;
uint32_t ret;
/* Stop Sync ISO Ticker directly. Establishment failure has been
* notified.
*/
handle = sync_iso_handle_get(sync_iso);
ret = ticker_stop(TICKER_INSTANCE_ID_CTLR, TICKER_USER_ID_ULL_HIGH,
(TICKER_ID_SCAN_SYNC_ISO_BASE +
sync_iso_handle_to_index(handle)), NULL, NULL);
LL_ASSERT((ret == TICKER_STATUS_SUCCESS) ||
(ret == TICKER_STATUS_BUSY));
return;
}
/* Sync drift compensation and new skip calculation
*/
ticks_drift_plus = 0U;