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| author | Rodolfo Giometti <giometti@linux.it> | 2010-03-10 15:23:45 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-12 15:52:43 -0800 |
| commit | b3e63afe8a74c0134d05a551cc74facc3b3ec0d7 (patch) | |
| tree | 7b20af342a2c9ff31bd202e81075fab22cc2a282 /Documentation/serial/tty.txt | |
| parent | 697fb85fcf21b5229a3072440222d14b05ef2abe (diff) | |
| download | lwn-b3e63afe8a74c0134d05a551cc74facc3b3ec0d7.tar.gz lwn-b3e63afe8a74c0134d05a551cc74facc3b3ec0d7.zip | |
ldisc: new dcd_change() method for line disciplines
Signed-off-by: Rodolfo Giometti <giometti@linux.it>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Greg KH <greg@kroah.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/serial/tty.txt')
| -rw-r--r-- | Documentation/serial/tty.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/serial/tty.txt b/Documentation/serial/tty.txt index 5e5349a4fcd2..7c900507279f 100644 --- a/Documentation/serial/tty.txt +++ b/Documentation/serial/tty.txt @@ -105,6 +105,10 @@ write_wakeup() - May be called at any point between open and close. is permitted to call the driver write method from this function. In such a situation defer it. +dcd_change() - Report to the tty line the current DCD pin status + changes and the relative timestamp. The timestamp + can be NULL. + Driver Access |