[PATCH] BlueZ line discipline baud rate setting update
From: Ilya Faenson <hidden>
Date: 2015-06-15 16:50:07
Subsystem:
bluetooth drivers, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds
Bring the tty into a known 8 bits, 1 start bit, 1 stop bit, hardware flow control state with a given baud rate. Signed-off-by: Ilya Faenson <redacted> --- drivers/bluetooth/hci_ldisc.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index ac87346..606cc5a 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c@@ -271,9 +271,16 @@ void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed) struct tty_struct *tty = hu->tty; struct ktermios ktermios; + /* Bring the UART into a known state with a given baud rate */ ktermios = tty->termios; ktermios.c_cflag &= ~CBAUD; - ktermios.c_cflag |= BOTHER; + ktermios.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | + IGNCR | ICRNL | IXON); + ktermios.c_oflag &= ~OPOST; + ktermios.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN); + ktermios.c_cflag &= ~(CSIZE | PARENB | CBAUD); + ktermios.c_cflag |= CS8; + ktermios.c_cflag |= CRTSCTS; tty_termios_encode_baud_rate(&ktermios, speed, speed); /* tty_set_termios() return not checked as it is always 0 */
--
1.9.1