diff options
Diffstat (limited to 'include/linux/tty.h')
| -rw-r--r-- | include/linux/tty.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h index dbebd1e56bc..9892121354c 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -514,6 +514,12 @@ static inline struct tty_port *tty_port_get(struct tty_port *port) return port; } +/* If the cts flow control is enabled, return true. */ +static inline bool tty_port_cts_enabled(struct tty_port *port) +{ + return port->flags & ASYNC_CTS_FLOW; +} + extern struct tty_struct *tty_port_tty_get(struct tty_port *port); extern void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty); extern int tty_port_carrier_raised(struct tty_port *port); |