diff options
| author | Takashi Iwai <tiwai@suse.de> | 2010-11-03 15:51:26 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-11-03 15:51:26 +0100 |
| commit | 69dbdd819599e2f3b77c172e83af512845bca5ad (patch) | |
| tree | 49939d8b80ec2115a801eae2aebc21f23867c876 /include/linux/tty_driver.h | |
| parent | 87232dd49aeb6b7d1af291edca8bd129a82ef4b5 (diff) | |
| parent | 75e3f3137cb570661c2ad3035a139dda671fbb63 (diff) | |
Merge branch 'fix/asoc' into for-linus
Diffstat (limited to 'include/linux/tty_driver.h')
| -rw-r--r-- | include/linux/tty_driver.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index b08677982525..db2d227694da 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -224,6 +224,12 @@ * unless the tty also has a valid tty->termiox pointer. * * Optional: Called under the termios lock + * + * int (*get_icount)(struct tty_struct *tty, struct serial_icounter *icount); + * + * Called when the device receives a TIOCGICOUNT ioctl. Passed a kernel + * structure to complete. This method is optional and will only be called + * if provided (otherwise EINVAL will be returned). */ #include <linux/fs.h> @@ -232,6 +238,7 @@ struct tty_struct; struct tty_driver; +struct serial_icounter_struct; struct tty_operations { struct tty_struct * (*lookup)(struct tty_driver *driver, @@ -268,6 +275,8 @@ struct tty_operations { unsigned int set, unsigned int clear); int (*resize)(struct tty_struct *tty, struct winsize *ws); int (*set_termiox)(struct tty_struct *tty, struct termiox *tnew); + int (*get_icount)(struct tty_struct *tty, + struct serial_icounter_struct *icount); #ifdef CONFIG_CONSOLE_POLL int (*poll_init)(struct tty_driver *driver, int line, char *options); int (*poll_get_char)(struct tty_driver *driver, int line); |