michaelh/zephyr
1
0
Fork 0
Code Releases Activity

Bluetooth: BAP: Move uni cli discov err to callback

Browse source 
Move the err field from the discover parameters to
the callback.

Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
This commit is contained in:
Emil Gydesen 2023-03-22 14:00:28 +01:00 • committed by Carles Cufí
commit 11f5f3b080
6 changed files with 95 additions and 106 deletions
Download patch file Download diff file Expand all files Collapse all files

13
include/zephyr/bluetooth/audio/bap.h
View file

@ -1220,13 +1220,16 @@ struct bt_bap_unicast_client_cb {
* receiver if future use is wanted.
*
* @param conn Connection to the remote unicast server.
* @param err Error value. 0 on success, GATT error on positive value or errno on
* negative value.
* @param codec Remote capabilities.
* @param ep Remote endpoint.
* @param params Pointer to the discover parameters.
*
* If discovery procedure has complete both @p codec and @p ep are set to NULL.
*/
void (*discover)(struct bt_conn *conn, struct bt_codec *codec, struct bt_bap_ep *ep,
void (*discover)(struct bt_conn *conn, int err, struct bt_codec *codec,
struct bt_bap_ep *ep,
struct bt_bap_unicast_client_discover_params *params);
};
@ -1252,14 +1255,6 @@ struct bt_bap_unicast_client_discover_params {
/** Number of endpoints found */
uint8_t num_eps;
/** @brief Error code.
*
* 0 indicates no error.
* A positive value indicates a BT_ATT_ERR_* error.
* A negative value indicates an errno value.
*/
int err;
/** Read parameters used interally for discovery */
struct bt_gatt_read_params read;

22
samples/bluetooth/unicast_audio_client/src/main.c
View file

@ -583,11 +583,12 @@ static void print_remote_codec(struct bt_codec *codec_capabilities, int index,
print_codec_capabilities(codec_capabilities);
}
static void discover_sinks_cb(struct bt_conn *conn, struct bt_codec *codec, struct bt_bap_ep *ep,
static void discover_sinks_cb(struct bt_conn *conn, int err, struct bt_codec *codec,
struct bt_bap_ep *ep,
struct bt_bap_unicast_client_discover_params *params)
{
if (params->err != 0 && params->err != BT_ATT_ERR_ATTRIBUTE_NOT_FOUND) {
printk("Discovery failed: %d\n", params->err);
if (err != 0 && err != BT_ATT_ERR_ATTRIBUTE_NOT_FOUND) {
printk("Discovery failed: %d\n", err);
return;
}
@ -602,10 +603,10 @@ static void discover_sinks_cb(struct bt_conn *conn, struct bt_codec *codec, stru
return;
}
if (params->err == BT_ATT_ERR_ATTRIBUTE_NOT_FOUND) {
if (err == BT_ATT_ERR_ATTRIBUTE_NOT_FOUND) {
printk("Discover sinks completed without finding any sink ASEs\n");
} else {
printk("Discover sinks complete: err %d\n", params->err);
printk("Discover sinks complete: err %d\n", err);
}
(void)memset(params, 0, sizeof(*params));
@ -613,11 +614,12 @@ static void discover_sinks_cb(struct bt_conn *conn, struct bt_codec *codec, stru
k_sem_give(&sem_sinks_discovered);
}
static void discover_sources_cb(struct bt_conn *conn, struct bt_codec *codec, struct bt_bap_ep *ep,
static void discover_sources_cb(struct bt_conn *conn, int err, struct bt_codec *codec,
struct bt_bap_ep *ep,
struct bt_bap_unicast_client_discover_params *params)
{
if (params->err != 0 && params->err != BT_ATT_ERR_ATTRIBUTE_NOT_FOUND) {
printk("Discovery failed: %d\n", params->err);
if (err != 0 && err != BT_ATT_ERR_ATTRIBUTE_NOT_FOUND) {
printk("Discovery failed: %d\n", err);
return;
}
@ -632,10 +634,10 @@ static void discover_sources_cb(struct bt_conn *conn, struct bt_codec *codec, st
return;
}
if (params->err == BT_ATT_ERR_ATTRIBUTE_NOT_FOUND) {
if (err == BT_ATT_ERR_ATTRIBUTE_NOT_FOUND) {
printk("Discover sinks completed without finding any source ASEs\n");
} else {
printk("Discover sources complete: err %d\n", params->err);
printk("Discover sources complete: err %d\n", err);
}
(void)memset(params, 0, sizeof(*params));

133
subsys/bluetooth/audio/bap_unicast_client.c
View file

@ -1444,11 +1444,11 @@ static int unicast_client_ep_subscribe(struct bt_conn *conn, struct bt_bap_ep *e
return bt_gatt_subscribe(conn, &client_ep->subscribe);
}
static void discover_cb(struct bt_conn *conn, struct bt_codec *codec, struct bt_bap_ep *ep,
static void discover_cb(struct bt_conn *conn, int err, struct bt_codec *codec, struct bt_bap_ep *ep,
struct bt_bap_unicast_client_discover_params *params)
{
if (unicast_client_cbs != NULL && unicast_client_cbs->discover != NULL) {
unicast_client_cbs->discover(conn, codec, ep, params);
unicast_client_cbs->discover(conn, err, codec, ep, params);
}
}
@ -1462,8 +1462,7 @@ static void unicast_client_cp_sub_cb(struct bt_conn *conn, uint8_t err,
params = CONTAINER_OF(sub_params->disc_params, struct bt_bap_unicast_client_discover_params,
discover);
params->err = err;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, err, NULL, NULL, params);
}
static void unicast_client_ep_set_cp(struct bt_conn *conn,
@ -1513,15 +1512,12 @@ static void unicast_client_ep_set_cp(struct bt_conn *conn,
if (err != 0) {
LOG_DBG("Failed to subscribe: %d", err);
params->err = BT_ATT_ERR_UNLIKELY;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, BT_ATT_ERR_UNLIKELY, NULL, NULL, params);
return;
}
} else { /* already subscribed */
params->err = 0;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, 0, NULL, NULL, params);
}
}
@ -2833,10 +2829,9 @@ static uint8_t unicast_client_cp_discover_func(struct bt_conn *conn,
params = CONTAINER_OF(discover, struct bt_bap_unicast_client_discover_params, discover);
if (!attr) {
if (params->err) {
LOG_ERR("Unable to find ASE Control Point");
}
discover_cb(conn, NULL, NULL, params);
LOG_ERR("Unable to find ASE Control Point");
discover_cb(conn, BT_ATT_ERR_ATTRIBUTE_NOT_FOUND, NULL, NULL, params);
return BT_GATT_ITER_STOP;
}
@ -2854,7 +2849,6 @@ static int unicast_client_ase_cp_discover(struct bt_conn *conn,
{
LOG_DBG("conn %p params %p", conn, params);
params->err = BT_ATT_ERR_ATTRIBUTE_NOT_FOUND;
params->discover.uuid = cp_uuid;
params->discover.func = unicast_client_cp_discover_func;
params->discover.start_handle = BT_ATT_FIRST_ATTRIBUTE_HANDLE;
@ -2879,7 +2873,6 @@ static uint8_t unicast_client_ase_read_func(struct bt_conn *conn, uint8_t err,
LOG_DBG("conn %p err 0x%02x len %u", conn, err, length);
if (err) {
params->err = err;
goto fail;
}
@ -2893,7 +2886,7 @@ static uint8_t unicast_client_ase_read_func(struct bt_conn *conn, uint8_t err,
LOG_DBG("Buffer full, invalid server response of size %u",
length + client->net_buf.len);
params->err = BT_ATT_ERR_INVALID_ATTRIBUTE_LEN;
err = BT_ATT_ERR_INVALID_ATTRIBUTE_LEN;
goto fail;
}
@ -2907,7 +2900,7 @@ static uint8_t unicast_client_ase_read_func(struct bt_conn *conn, uint8_t err,
if (buf->len < sizeof(struct bt_ascs_ase_status)) {
LOG_DBG("Read response too small (%u)", buf->len);
params->err = BT_ATT_ERR_INVALID_ATTRIBUTE_LEN;
err = BT_ATT_ERR_INVALID_ATTRIBUTE_LEN;
goto fail;
}
@ -2929,7 +2922,7 @@ static uint8_t unicast_client_ase_read_func(struct bt_conn *conn, uint8_t err,
unicast_client_ep_set_status(ep, buf);
unicast_client_ep_subscribe(conn, ep);
discover_cb(conn, NULL, ep, params);
discover_cb(conn, 0, NULL, ep, params);
params->num_eps++;
@ -2937,15 +2930,13 @@ static uint8_t unicast_client_ase_read_func(struct bt_conn *conn, uint8_t err,
if (err != 0) {
LOG_DBG("Failed to read ASE: %d", err);
params->err = err;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, err, NULL, NULL, params);
}
return BT_GATT_ITER_STOP;
fail:
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, err, NULL, NULL, params);
return BT_GATT_ITER_STOP;
}
@ -2965,17 +2956,14 @@ static uint8_t unicast_client_ase_discover_cb(struct bt_conn *conn,
LOG_DBG("Unable to find %s ASE",
bt_audio_dir_str(params->dir));
params->err = BT_ATT_ERR_ATTRIBUTE_NOT_FOUND;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, BT_ATT_ERR_ATTRIBUTE_NOT_FOUND, NULL, NULL, params);
} else {
/* Else we found all the ASEs */
err = unicast_client_ase_cp_discover(conn, params);
if (err != 0) {
LOG_ERR("Unable to discover ASE Control Point");
params->err = BT_ATT_ERR_UNLIKELY;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, BT_ATT_ERR_UNLIKELY, NULL, NULL, params);
}
}
@ -2999,9 +2987,7 @@ static uint8_t unicast_client_ase_discover_cb(struct bt_conn *conn,
if (err != 0) {
LOG_DBG("Failed to read PAC records: %d", err);
params->err = err;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, err, NULL, NULL, params);
}
return BT_GATT_ITER_STOP;
@ -3036,6 +3022,7 @@ static uint8_t unicast_client_pacs_avail_ctx_read_func(struct bt_conn *conn, uin
struct bt_bap_unicast_client_discover_params *params;
struct bt_pacs_context context;
struct net_buf_simple buf;
int cb_err;
params = CONTAINER_OF(read, struct bt_bap_unicast_client_discover_params, read);
@ -3044,7 +3031,11 @@ static uint8_t unicast_client_pacs_avail_ctx_read_func(struct bt_conn *conn, uin
if (err || data == NULL || length != sizeof(context)) {
LOG_DBG("Could not read available context: %d, %p, %u", err, data, length);
discover_cb(conn, NULL, NULL, params);
if (err == BT_ATT_ERR_SUCCESS) {
err = BT_ATT_ERR_INVALID_ATTRIBUTE_LEN;
}
discover_cb(conn, err, NULL, NULL, params);
return BT_GATT_ITER_STOP;
}
@ -3060,11 +3051,11 @@ static uint8_t unicast_client_pacs_avail_ctx_read_func(struct bt_conn *conn, uin
}
/* Read ASE instances */
if (unicast_client_ase_discover(conn, params,
BT_ATT_FIRST_ATTRIBUTE_HANDLE) < 0) {
LOG_ERR("Unable to read ASE");
cb_err = unicast_client_ase_discover(conn, params, BT_ATT_FIRST_ATTRIBUTE_HANDLE);
if (cb_err != 0) {
LOG_ERR("Unable to read ASE: %d", cb_err);
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, err, NULL, NULL, params);
}
return BT_GATT_ITER_STOP;
@ -3140,7 +3131,7 @@ static uint8_t unicast_client_pacs_avail_ctx_discover_cb(struct bt_conn *conn,
* the characteristic is mandatory
*/
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, BT_ATT_ERR_ATTRIBUTE_NOT_FOUND, NULL, NULL, params);
return BT_GATT_ITER_STOP;
}
@ -3173,7 +3164,7 @@ static uint8_t unicast_client_pacs_avail_ctx_discover_cb(struct bt_conn *conn,
/* If the characteristic is not subscribable we terminate the
* discovery as BT_GATT_CHRC_NOTIFY is mandatory
*/
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, BT_ATT_ERR_NOT_SUPPORTED, NULL, NULL, params);
return BT_GATT_ITER_STOP;
}
@ -3181,9 +3172,8 @@ static uint8_t unicast_client_pacs_avail_ctx_discover_cb(struct bt_conn *conn,
err = unicast_client_pacs_avail_ctx_read(conn, params, chrc->value_handle);
if (err != 0) {
LOG_DBG("Failed to read PACS avail_ctx: %d", err);
params->err = err;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, err, NULL, NULL, params);
}
return BT_GATT_ITER_STOP;
@ -3211,6 +3201,7 @@ static uint8_t unicast_client_pacs_location_read_func(struct bt_conn *conn, uint
struct bt_bap_unicast_client_discover_params *params;
struct net_buf_simple buf;
uint32_t location;
int cb_err;
params = CONTAINER_OF(read, struct bt_bap_unicast_client_discover_params, read);
@ -3220,7 +3211,11 @@ static uint8_t unicast_client_pacs_location_read_func(struct bt_conn *conn, uint
LOG_DBG("Unable to read PACS location for dir %s: %u, %p, %u",
bt_audio_dir_str(params->dir), err, data, length);
discover_cb(conn, NULL, NULL, params);
if (err == BT_ATT_ERR_SUCCESS) {
err = BT_ATT_ERR_INVALID_ATTRIBUTE_LEN;
}
discover_cb(conn, err, NULL, NULL, params);
return BT_GATT_ITER_STOP;
}
@ -3235,10 +3230,11 @@ static uint8_t unicast_client_pacs_location_read_func(struct bt_conn *conn, uint
}
/* Read available contexts */
if (unicast_client_pacs_avail_ctx_discover(conn, params) < 0) {
LOG_ERR("Unable to read available contexts");
cb_err = unicast_client_pacs_avail_ctx_discover(conn, params);
if (cb_err != 0) {
LOG_ERR("Unable to read available contexts: %d", cb_err);
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, cb_err, NULL, NULL, params);
}
return BT_GATT_ITER_STOP;
@ -3323,10 +3319,11 @@ static uint8_t unicast_client_pacs_location_discover_cb(struct bt_conn *conn,
/* If location is not found, we just continue reading the
* available contexts, as location is optional.
*/
if (unicast_client_pacs_avail_ctx_discover(conn, params) < 0) {
LOG_ERR("Unable to read available contexts");
err = unicast_client_pacs_avail_ctx_discover(conn, params);
if (err != 0) {
LOG_ERR("Unable to read available contexts: %d", err);
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, err, NULL, NULL, params);
}
return BT_GATT_ITER_STOP;
@ -3361,9 +3358,8 @@ static uint8_t unicast_client_pacs_location_discover_cb(struct bt_conn *conn,
err = unicast_client_pacs_location_read(conn, params, chrc->value_handle);
if (err != 0) {
LOG_DBG("Failed to read PACS location: %d", err);
params->err = err;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, err, NULL, NULL, params);
}
return BT_GATT_ITER_STOP;
@ -3398,6 +3394,7 @@ static uint8_t unicast_client_pacs_context_read_func(struct bt_conn *conn, uint8
struct bt_bap_unicast_client_discover_params *params;
struct net_buf_simple buf;
struct bt_pacs_context *context;
int cb_err;
int index;
params = CONTAINER_OF(read, struct bt_bap_unicast_client_discover_params, read);
@ -3415,10 +3412,11 @@ static uint8_t unicast_client_pacs_context_read_func(struct bt_conn *conn, uint8
discover_loc:
/* Read ASE instances */
if (unicast_client_pacs_location_discover(conn, params) < 0) {
LOG_ERR("Unable to read PACS location");
cb_err = unicast_client_pacs_location_discover(conn, params);
if (cb_err != 0) {
LOG_ERR("Unable to read PACS location: %d", cb_err);
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, cb_err, NULL, NULL, params);
}
return BT_GATT_ITER_STOP;
@ -3439,9 +3437,7 @@ static uint8_t unicast_client_pacs_context_discover_cb(struct bt_conn *conn,
LOG_ERR("Unable to find %s PAC context",
bt_audio_dir_str(params->dir));
params->err = BT_ATT_ERR_ATTRIBUTE_NOT_FOUND;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, BT_ATT_ERR_ATTRIBUTE_NOT_FOUND, NULL, NULL, params);
return BT_GATT_ITER_STOP;
}
@ -3462,9 +3458,7 @@ static uint8_t unicast_client_pacs_context_discover_cb(struct bt_conn *conn,
if (err != 0) {
LOG_DBG("Failed to read PAC records: %d", err);
params->err = err;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, err, NULL, NULL, params);
}
return BT_GATT_ITER_STOP;
@ -3493,13 +3487,13 @@ static uint8_t unicast_client_read_func(struct bt_conn *conn, uint8_t err,
struct unicast_client *client;
struct bt_pacs_read_rsp *rsp;
struct net_buf_simple *buf;
int cb_err = err;
params = CONTAINER_OF(read, struct bt_bap_unicast_client_discover_params, read);
LOG_DBG("conn %p err 0x%02x len %u", conn, err, length);
if (err != BT_ATT_ERR_SUCCESS) {
params->err = err;
if (cb_err != BT_ATT_ERR_SUCCESS) {
goto fail;
}
@ -3513,7 +3507,7 @@ static uint8_t unicast_client_read_func(struct bt_conn *conn, uint8_t err,
LOG_DBG("Buffer full, invalid server response of size %u",
length + client->net_buf.len);
params->err = BT_ATT_ERR_INVALID_ATTRIBUTE_LEN;
cb_err = BT_ATT_ERR_INVALID_ATTRIBUTE_LEN;
goto fail;
}
@ -3527,7 +3521,7 @@ static uint8_t unicast_client_read_func(struct bt_conn *conn, uint8_t err,
if (buf->len < sizeof(*rsp)) {
LOG_DBG("Read response too small (%u)", buf->len);
params->err = BT_ATT_ERR_INVALID_ATTRIBUTE_LEN;
cb_err = BT_ATT_ERR_INVALID_ATTRIBUTE_LEN;
goto fail;
}
@ -3600,7 +3594,7 @@ static uint8_t unicast_client_read_func(struct bt_conn *conn, uint8_t err,
LOG_DBG("codec 0x%02x config count %u meta count %u ", codec.id, codec.data_count,
codec.meta_count);
discover_cb(conn, &codec, NULL, params);
discover_cb(conn, 0, &codec, NULL, params);
rsp->num_pac--;
params->num_caps++;
@ -3611,15 +3605,16 @@ static uint8_t unicast_client_read_func(struct bt_conn *conn, uint8_t err,
}
/* Read PACS contexts */
if (unicast_client_pacs_context_discover(conn, params) < 0) {
LOG_ERR("Unable to read PACS context");
cb_err = unicast_client_pacs_context_discover(conn, params);
if (cb_err != 0) {
LOG_ERR("Unable to read PACS context: %d", cb_err);
goto fail;
}
return BT_GATT_ITER_STOP;
fail:
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, cb_err, NULL, NULL, params);
return BT_GATT_ITER_STOP;
}
@ -3636,9 +3631,7 @@ static uint8_t unicast_client_pac_discover_cb(struct bt_conn *conn,
if (attr == NULL) {
LOG_ERR("Unable to find %s PAC", bt_audio_dir_str(params->dir));
params->err = BT_ATT_ERR_ATTRIBUTE_NOT_FOUND;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, BT_ATT_ERR_ATTRIBUTE_NOT_FOUND, NULL, NULL, params);
return BT_GATT_ITER_STOP;
}
@ -3662,9 +3655,7 @@ static uint8_t unicast_client_pac_discover_cb(struct bt_conn *conn,
if (err != 0) {
LOG_DBG("Failed to read PAC records: %d", err);
params->err = err;
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, err, NULL, NULL, params);
}
return BT_GATT_ITER_STOP;

12
subsys/bluetooth/audio/shell/bap.c
View file

@ -732,7 +732,7 @@ static void add_source(const struct bt_conn *conn, struct bt_bap_ep *ep,
}
#endif /* CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT > 0 */
static void discover_cb(struct bt_conn *conn, struct bt_codec *codec, struct bt_bap_ep *ep,
static void discover_cb(struct bt_conn *conn, int err, struct bt_codec *codec, struct bt_bap_ep *ep,
struct bt_bap_unicast_client_discover_params *params)
{
if (codec != NULL) {
@ -756,13 +756,13 @@ static void discover_cb(struct bt_conn *conn, struct bt_codec *codec, struct bt_
return;
}
shell_print(ctx_shell, "Discover complete: err %d", params->err);
shell_print(ctx_shell, "Discover complete: err %d", err);
memset(params, 0, sizeof(*params));
}
static void discover_all(struct bt_conn *conn, struct bt_codec *codec, struct bt_bap_ep *ep,
struct bt_bap_unicast_client_discover_params *params)
static void discover_all(struct bt_conn *conn, int err, struct bt_codec *codec,
struct bt_bap_ep *ep, struct bt_bap_unicast_client_discover_params *params)
{
if (codec != NULL) {
print_remote_codec(conn, codec, params->num_caps, params->dir);
@ -787,15 +787,13 @@ static void discover_all(struct bt_conn *conn, struct bt_codec *codec, struct bt
/* Sinks discovery complete, now discover sources */
if (params->dir == BT_AUDIO_DIR_SINK) {
int err;
unicast_client_cbs.discover = discover_cb;
params->dir = BT_AUDIO_DIR_SOURCE;
err = bt_bap_unicast_client_discover(default_conn, params);
if (err) {
shell_error(ctx_shell, "bt_bap_unicast_client_discover err %d", err);
discover_cb(conn, NULL, NULL, params);
discover_cb(conn, err, NULL, NULL, params);
}
}
}

14
tests/bsim/bluetooth/audio/src/bap_unicast_client_test.c
View file

@ -219,14 +219,15 @@ static void print_remote_codec(struct bt_codec *codec, int index, enum bt_audio_
print_codec(codec);
}
static void discover_sinks_cb(struct bt_conn *conn, struct bt_codec *codec, struct bt_bap_ep *ep,
static void discover_sinks_cb(struct bt_conn *conn, int err, struct bt_codec *codec,
struct bt_bap_ep *ep,
struct bt_bap_unicast_client_discover_params *params)
{
static bool codec_found;
static bool endpoint_found;
if (params->err != 0) {
FAIL("Discovery failed: %d\n", params->err);
if (err != 0) {
FAIL("Discovery failed: %d\n", err);
return;
}
@ -258,14 +259,15 @@ static void discover_sinks_cb(struct bt_conn *conn, struct bt_codec *codec, stru
}
}
static void discover_sources_cb(struct bt_conn *conn, struct bt_codec *codec, struct bt_bap_ep *ep,
static void discover_sources_cb(struct bt_conn *conn, int err, struct bt_codec *codec,
struct bt_bap_ep *ep,
struct bt_bap_unicast_client_discover_params *params)
{
static bool codec_found;
static bool endpoint_found;
if (params->err != 0) {
FAIL("Discovery failed: %d\n", params->err);
if (err != 0) {
FAIL("Discovery failed: %d\n", err);
return;
}

7
tests/bsim/bluetooth/audio/src/cap_initiator_test.c
View file

@ -256,14 +256,15 @@ static void print_remote_codec(struct bt_codec *codec, int index, enum bt_audio_
print_codec(codec);
}
static void discover_sink_cb(struct bt_conn *conn, struct bt_codec *codec, struct bt_bap_ep *ep,
static void discover_sink_cb(struct bt_conn *conn, int err, struct bt_codec *codec,
struct bt_bap_ep *ep,
struct bt_bap_unicast_client_discover_params *params)
{
static bool codec_found;
static bool endpoint_found;
if (params->err != 0) {
FAIL("Discovery failed: %d\n", params->err);
if (err != 0) {
FAIL("Discovery failed: %d\n", err);
return;
}