[PATCH v2 7/9] avdtp: Add support for MSFT offload start command

Kiran K
2021-11-19T09:37:13Z

Send MSFT avdtp start command to trigger a2dp offload
streaming after sending remote AVDTP start command.
---
profiles/audio/avdtp.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/profiles/audio/avdtp.c b/profiles/audio/avdtp.c
index 6a56bd4507c4..72a5e9c5a82a 100644
--- a/profiles/audio/avdtp.c
+++ b/profiles/audio/avdtp.c
@@ -2907,6 +2907,24 @@ static gboolean avdtp_open_resp(struct avdtp *session, struct avdtp_stream *stre
return TRUE;
}

+static gboolean msft_avdtp_start(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 = 0x09;
+
+ if (setsockopt(sock, SOL_BLUETOOTH, BT_MSFT, &cmd, 1))
+ return FALSE;
+
+ return TRUE;
+}
+
static gboolean avdtp_start_resp(struct avdtp *session,
struct avdtp_stream *stream,
struct seid_rej *resp, int size)
@@ -2921,6 +2939,9 @@ static gboolean avdtp_start_resp(struct avdtp *session,
if (sep->state != AVDTP_STATE_STREAMING)
avdtp_sep_set_state(session, sep, AVDTP_STATE_STREAMING);

+ if (session->use_offload)
+ msft_avdtp_start(stream);
+
return TRUE;
}

--
2.17.1