diff options
Diffstat (limited to 'drivers/usb/serial/spcp8x5.c')
| -rw-r--r-- | drivers/usb/serial/spcp8x5.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index 329d311a35d9..b9575c805108 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -133,7 +133,7 @@ struct spcp8x5_usb_ctrl_arg { /* how come ??? */ #define UART_STATE 0x08 -#define UART_STATE_TRANSIENT_MASK 0x74 +#define UART_STATE_TRANSIENT_MASK 0x75 #define UART_DCD 0x01 #define UART_DSR 0x02 #define UART_BREAK_ERROR 0x04 @@ -531,6 +531,9 @@ static void spcp8x5_process_read_urb(struct urb *urb) tty_insert_flip_string_fixed_flag(tty, data, tty_flag, urb->actual_length); tty_flip_buffer_push(tty); + if (status & UART_DCD) + usb_serial_handle_dcd_change(port, tty, + priv->line_status & MSR_STATUS_LINE_DCD); tty_kref_put(tty); } |