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(syn-107-146-107-067.res.spectrum.com. [107.146.107.67]) by smtp.gmail.com with ESMTPSA id 71dfb90a1353d-4eafedabe04sm1719083e0c.3.2024.06.05.12.56.11 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Jun 2024 12:56:12 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v1] transport: Fix not always being able to Acquire when linked Date: Wed, 5 Jun 2024 15:56:10 -0400 Message-ID: <20240605195610.534491-1-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.45.1 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Luiz Augusto von Dentz If a linked transport becomes ready and sets an fd it means it can be acquired via Acquire/TryAcquire methods but that shall also be valid for linked transports as well since they share the same fd/IO it can already be transferred despite the state of the stream. Fixes: https://github.com/bluez/bluez/issues/862 --- profiles/audio/transport.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/profiles/audio/transport.c b/profiles/audio/transport.c index 5b11bfeb6ab6..64d38ae669da 100644 --- a/profiles/audio/transport.c +++ b/profiles/audio/transport.c @@ -1492,11 +1492,20 @@ static guint transport_bap_resume(struct media_transport *transport, if (!bap->stream) return 0; + if (bap->resume_id) - return 0; + return bap->resume_id; bap_update_links(transport); + /* If there is already an fd set consider it ready and proceed to + * complete the resume process. + */ + if (transport->fd >= 0) { + bap->resume_id = g_idle_add(bap_resume_complete_cb, transport); + return bap->resume_id; + } + switch (bt_bap_stream_get_state(bap->stream)) { case BT_BAP_STREAM_STATE_ENABLING: bap_enable_complete(bap->stream, 0x00, 0x00, owner); @@ -1671,6 +1680,22 @@ static void bap_state_changed(struct bt_bap_stream *stream, uint8_t old_state, g_io_channel_unref(chan); media_transport_set_fd(transport, fd, imtu, omtu); + + /* If the transport is linked update the fd in the link as well as they + * share the same io channel. + */ + if (bap->linked) { + struct bt_bap_stream *link = bt_bap_stream_io_get_link(stream); + + if (link) { + struct media_transport *t; + + t = find_transport_by_bap_stream(link); + if (t) + media_transport_set_fd(t, fd, imtu, omtu); + } + } + transport_update_playing(transport, TRUE); done: