commit 2d978c01ee71002b3c5999126c009ec07a773c30
author Dima Zavin <dima@android.com> Wed Oct 12 16:18:23 2011 -0700
committer Dima Zavin <dima@android.com> Wed Oct 12 16:18:23 2011 -0700
tree a3da5434dd10cefa209bdff445986de45577f7cb
parent 2471a6a3956c591b3979b9b73a0d68f3b214da57

charger: ignore key event if value didn't change

Change-Id: Idcb481550eca53209be217361cac38e48368a04f
Signed-off-by: Dima Zavin <dima@android.com>

charger/charger.c

diff --git a/charger/charger.c b/charger/charger.c
index b63312c..aface7e 100644
--- a/charger/charger.c
+++ b/charger/charger.c
@@ -754,6 +754,10 @@
     if (code > KEY_MAX)
         return -1;
 
+    /* ignore events that don't modify our state */
+    if (charger->keys[code].down == down)
+        return -1;
+
     /* only record the down even timestamp, as the amount
      * of time the key spent not being pressed is not useful */
     if (down)