diff options
Diffstat (limited to 'drivers/bluetooth/hci_ldisc.c')
| -rw-r--r-- | drivers/bluetooth/hci_ldisc.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 114015d9eef4..ac87346ce9d7 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -266,11 +266,37 @@ static int hci_uart_send_frame(struct hci_dev *hdev, struct sk_buff *skb) return 0; } +void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed) +{ + struct tty_struct *tty = hu->tty; + struct ktermios ktermios; + + ktermios = tty->termios; + ktermios.c_cflag &= ~CBAUD; + ktermios.c_cflag |= BOTHER; + tty_termios_encode_baud_rate(&ktermios, speed, speed); + + /* tty_set_termios() return not checked as it is always 0 */ + tty_set_termios(tty, &ktermios); + + BT_DBG("%s: New tty speed: %d", hu->hdev->name, tty->termios.c_ispeed); +} + static int hci_uart_setup(struct hci_dev *hdev) { struct hci_uart *hu = hci_get_drvdata(hdev); struct hci_rp_read_local_version *ver; struct sk_buff *skb; + int err; + + if (hu->proto->init_speed) + hci_uart_set_baudrate(hu, hu->proto->init_speed); + + if (hu->proto->set_baudrate && hu->proto->oper_speed) { + err = hu->proto->set_baudrate(hu, hu->proto->oper_speed); + if (!err) + hci_uart_set_baudrate(hu, hu->proto->oper_speed); + } if (hu->proto->setup) return hu->proto->setup(hu); |