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-rw-r--r--drivers/input/input.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 591c70d80cd..3038c268917 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;