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Bluetooth: Add API to obtain ACL connection corresponding to a2dp

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When connecting two devices with an application, it
is necessary to differentiate which is the remote device.

Signed-off-by: Lu Jia <jialu@xiaomi.com>
This commit is contained in:
Lu Jia 2025-03-17 17:12:36 +08:00 • committed by Benjamin Cabé
commit 634b72a76c
2 changed files with 24 additions and 0 deletions
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10
include/zephyr/bluetooth/classic/a2dp.h
View file

@ -616,6 +616,16 @@ int bt_a2dp_register_ep(struct bt_a2dp_ep *ep, uint8_t media_type, uint8_t sep_t
*/ */
int bt_a2dp_register_cb(struct bt_a2dp_cb *cb); int bt_a2dp_register_cb(struct bt_a2dp_cb *cb);
/** @brief Obtain the ACL connection corresponding to A2DP.
*
* @param a2dp The A2DP instance.
*
* @return Connection object associated with the A2DP context. The caller gets a new
* reference to the connection object which must be released with bt_conn_unref()
* once done using the object.
*/
struct bt_conn *bt_a2dp_get_conn(struct bt_a2dp *a2dp);
/** @brief Discover remote endpoints. /** @brief Discover remote endpoints.
* *
* @param a2dp The a2dp instance. * @param a2dp The a2dp instance.

14
subsys/bluetooth/host/classic/a2dp.c
View file

@ -14,6 +14,7 @@
#include <errno.h> #include <errno.h>
#include <zephyr/sys/atomic.h> #include <zephyr/sys/atomic.h>
#include <zephyr/sys/byteorder.h> #include <zephyr/sys/byteorder.h>
#include <zephyr/sys/check.h>
#include <zephyr/sys/util.h> #include <zephyr/sys/util.h>
#include <zephyr/sys/printk.h> #include <zephyr/sys/printk.h>
@ -1015,6 +1016,19 @@ int bt_a2dp_register_ep(struct bt_a2dp_ep *ep, uint8_t media_type, uint8_t sep_t
return 0; return 0;
} }
struct bt_conn *bt_a2dp_get_conn(struct bt_a2dp *a2dp)
{
CHECKIF(a2dp == NULL) {
return NULL;
}
if (!a2dp->session.br_chan.chan.conn) {
return NULL;
}
return bt_conn_ref(a2dp->session.br_chan.chan.conn);
}
int bt_a2dp_register_cb(struct bt_a2dp_cb *cb) int bt_a2dp_register_cb(struct bt_a2dp_cb *cb)
{ {
a2dp_cb = cb; a2dp_cb = cb;