[PATCH v1 3/5] avdtp: Add support for offload msft start command
From: Kiran K <hidden>
Date: 2021-11-15 09:35:48
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
Send MSFT avdtp start command to trigger a2dp offload streaming after sending remote AVDTP start command. --- lib/bluetooth.h | 1 + profiles/audio/avdtp.c | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+)
diff --git a/lib/bluetooth.h b/lib/bluetooth.h
index 59ef178a563a..32a3b5f0c2b9 100644
--- a/lib/bluetooth.h
+++ b/lib/bluetooth.h@@ -159,6 +159,7 @@ struct bt_codecs { } __attribute__((packed)); #define BT_MSFT_OPEN 20 +#define BT_MSFT_START 21 #define BT_MSFT_CLOSE 23 /* Connection and socket states */
diff --git a/profiles/audio/avdtp.c b/profiles/audio/avdtp.c
index 1cd4b4472b08..1ae96e3e8a07 100644
--- a/profiles/audio/avdtp.c
+++ b/profiles/audio/avdtp.c@@ -2910,6 +2910,21 @@ static gboolean avdtp_open_resp(struct avdtp *session, struct avdtp_stream *stre return TRUE; } +static gboolean avdtp_offload_start(struct avdtp_stream *stream) +{ + int sock; + + if (!stream->io) + return FALSE; + + sock = g_io_channel_unix_get_fd(stream->io); + + if (setsockopt(sock, SOL_BLUETOOTH, BT_MSFT_START, 0, 0)) + return FALSE; + + return TRUE; +} + static gboolean avdtp_start_resp(struct avdtp *session, struct avdtp_stream *stream, struct seid_rej *resp, int size)
@@ -2924,6 +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) + avdtp_offload_start(stream); + return TRUE; }
--
2.17.1