Linux 3.14

[~andy/linux] / Documentation / rtc.txt

diff --git a/Documentation/rtc.txt b/Documentation/rtc.txt
index 32aa4002de4a9fbd9fe64045119f811df47886ae..596b60c08b7451a9739d22aa2a29cb3c5c2559c9 100644 (file)
--- a/Documentation/rtc.txt
+++ b/Documentation/rtc.txt
@@ -153,9 +153,10 @@ since_epoch:        The number of seconds since the epoch according to the RTC
 time:           RTC-provided time
 wakealarm:      The time at which the clock will generate a system wakeup
                 event. This is a one shot wakeup event, so must be reset
-                after wake if a daily wakeup is required. Format is either
-                seconds since the epoch or, if there's a leading +, seconds
-                in the future.
+                after wake if a daily wakeup is required. Format is seconds since
+                the epoch by default, or if there's a leading +, seconds in the
+                future, or if there is a leading +=, seconds ahead of the current
+                alarm.
 
 IOCTL INTERFACE
 ---------------