summaryrefslogtreecommitdiffstats
path: root/Documentation/serial
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/serial')
-rw-r--r--Documentation/serial/tty.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/serial/tty.txt b/Documentation/serial/tty.txt
index 5e5349a..7c90050 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
OpenPOWER on IntegriCloud