Input: make EVIOCGSND return meaningful data

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

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 591c70d..3038c26 100644 (file)
--- 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;