Input: force LED reset on resume

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>

1 files changed, 18 insertions, 11 deletions

diff --git a/drivers/input/input.c b/drivers/input/input.c
index cc763c96fada..2266ecbfbc01 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -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