Input: force LED reset on resume
Dmitry Torokhov [Fri, 13 Nov 2009 07:19:05 +0000 (23:19 -0800)]
We should be sending EV_LED event down to drivers upon resume even in cases
when in-kernel state of the LED is off since device could come up with some
leds turned on.

Reported-and-tested-by: Mikko Vinni <mmvinni@yahoo.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/input.c

index cc763c9..2266ecb 100644 (file)
@@ -1292,17 +1292,24 @@ static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env)
        return 0;
 }
 
-#define INPUT_DO_TOGGLE(dev, type, bits, on)                   \
-       do {                                                    \
-               int i;                                          \
-               if (!test_bit(EV_##type, dev->evbit))           \
-                       break;                                  \
-               for (i = 0; i < type##_MAX; i++) {              \
-                       if (!test_bit(i, dev->bits##bit) ||     \
-                           !test_bit(i, dev->bits))            \
-                               continue;                       \
-                       dev->event(dev, EV_##type, i, on);      \
-               }                                               \
+#define INPUT_DO_TOGGLE(dev, type, bits, on)                           \
+       do {                                                            \
+               int i;                                                  \
+               bool active;                                            \
+                                                                       \
+               if (!test_bit(EV_##type, dev->evbit))                   \
+                       break;                                          \
+                                                                       \
+               for (i = 0; i < type##_MAX; i++) {                      \
+                       if (!test_bit(i, dev->bits##bit))               \
+                               continue;                               \
+                                                                       \
+                       active = test_bit(i, dev->bits);                \
+                       if (!active && !on)                             \
+                               continue;                               \
+                                                                       \
+                       dev->event(dev, EV_##type, i, on ? active : 0); \
+               }                                                       \
        } while (0)
 
 #ifdef CONFIG_PM