Input: make EVIOCGSND return meaningful data

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 591c70d80cd8..3038c268917d 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -155,6 +155,9 @@ void input_event(struct input_dev *dev, unsigned int type, unsigned int code, in
                         if (code > SND_MAX || !test_bit(code, dev->sndbit))
                                 return;
 
+                        if (!!test_bit(code, dev->snd) != !!value)
+                                change_bit(code, dev->snd);
+
                         if (dev->event) dev->event(dev, type, code, value);
 
                         break;