Input: small tweak to autorepeat handling

If a device does not support autorepeat or does not emit any key events we
should not be scanning all events in a packet to decide if we should start
or stop autorepeat function.

Signed-off-by: Anshul Garg <anshul.g@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 8 insertions, 6 deletions

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 213e3a1903ee..26199abee36c 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -152,12 +152,14 @@ static void input_pass_values(struct input_dev *dev,
         add_input_randomness(vals->type, vals->code, vals->value);
 
         /* trigger auto repeat for key events */
-        for (v = vals; v != vals + count; v++) {
-                if (v->type == EV_KEY && v->value != 2) {
-                        if (v->value)
-                                input_start_autorepeat(dev, v->code);
-                        else
-                                input_stop_autorepeat(dev);
+        if (test_bit(EV_REP, dev->evbit) && test_bit(EV_KEY, dev->evbit)) {
+                for (v = vals; v != vals + count; v++) {
+                        if (v->type == EV_KEY && v->value != 2) {
+                                if (v->value)
+                                        input_start_autorepeat(dev, v->code);
+                                else
+                                        input_stop_autorepeat(dev);
+                        }
                 }
         }
 }