[PATCH v2 9/9] avdtp: Add support for MSFT offload close command

Kiran K
2021-11-19T09:37:17Z

In a2dp offload use case, send MSFT avdtp close
command followed by remote AVDTP close command.
---
profiles/audio/avdtp.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/profiles/audio/avdtp.c b/profiles/audio/avdtp.c
index c0217f272b2c..7619c167e6cf 100644
--- a/profiles/audio/avdtp.c
+++ b/profiles/audio/avdtp.c
@@ -2945,6 +2945,24 @@ static gboolean avdtp_start_resp(struct avdtp *session,
return TRUE;
}

+static gboolean msft_avdtp_close(struct avdtp_stream *stream)
+{
+ int sock;
+ struct bt_msft cmd;
+
+ if (!stream->io)
+ return FALSE;
+
+ sock = g_io_channel_unix_get_fd(stream->io);
+
+ cmd.sub_opcode = 0x0b;
+
+ if (setsockopt(sock, SOL_BLUETOOTH, BT_MSFT, &cmd, 1))
+ return FALSE;
+
+ return TRUE;
+}
+
static gboolean avdtp_close_resp(struct avdtp *session,
struct avdtp_stream *stream,
struct seid_rej *resp, int size)
@@ -2953,6 +2971,9 @@ static gboolean avdtp_close_resp(struct avdtp *session,

avdtp_sep_set_state(session, sep, AVDTP_STATE_CLOSING);

+ if (session->use_offload)
+ msft_avdtp_close(stream);
+
close_stream(stream);

return TRUE;
--
2.17.1