Return-Path: From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Dalleau?= To: linux-bluetooth@vger.kernel.org Cc: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Dalleau?= , Johan Hedberg Subject: [PATCH v10 05/10] Bluetooth: Use voice setting in deferred SCO connection request Date: Wed, 14 Aug 2013 19:03:29 +0200 Message-Id: <1376499814-11386-6-git-send-email-frederic.dalleau@linux.intel.com> In-Reply-To: <1376499814-11386-1-git-send-email-frederic.dalleau@linux.intel.com> References: <1376499814-11386-1-git-send-email-frederic.dalleau@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset="utf-8" Sender: linux-bluetooth-owner@vger.kernel.org List-ID: When an incoming eSCO connection is requested, check the selected voice setting and reply appropriately. Voice setting should have been negotiated previously. For example, in case of HFP, the codec is negotiated using AT commands on the RFCOMM channel. This patch only changes replies for socket with deferred setup enabled. Signed-off-by: Frédéric Dalleau Signed-off-by: Johan Hedberg --- net/bluetooth/sco.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index e8cda67..3b3d24a 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -653,7 +653,7 @@ static int sco_sock_sendmsg(struct kiocb *iocb, struct socket *sock, return err; } -static void sco_conn_defer_accept(struct hci_conn *conn) +static void sco_conn_defer_accept(struct hci_conn *conn, u16 setting) { struct hci_dev *hdev = conn->hdev; @@ -676,9 +676,21 @@ static void sco_conn_defer_accept(struct hci_conn *conn) cp.tx_bandwidth = __constant_cpu_to_le32(0x00001f40); cp.rx_bandwidth = __constant_cpu_to_le32(0x00001f40); - cp.max_latency = __constant_cpu_to_le16(0xffff); - cp.content_format = cpu_to_le16(hdev->voice_setting); - cp.retrans_effort = 0xff; + cp.content_format = cpu_to_le16(setting); + + switch (setting & SCO_AIRMODE_MASK) { + case SCO_AIRMODE_TRANSP: + if (conn->pkt_type & ESCO_2EV3) + cp.max_latency = __constant_cpu_to_le16(0x0008); + else + cp.max_latency = __constant_cpu_to_le16(0x000D); + cp.retrans_effort = 0x02; + break; + case SCO_AIRMODE_CVSD: + cp.max_latency = __constant_cpu_to_le16(0xffff); + cp.retrans_effort = 0xff; + break; + } hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp), &cp); @@ -695,7 +707,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock, if (sk->sk_state == BT_CONNECT2 && test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) { - sco_conn_defer_accept(pi->conn->hcon); + sco_conn_defer_accept(pi->conn->hcon, pi->setting); sk->sk_state = BT_CONFIG; msg->msg_namelen = 0; -- 1.7.9.5