input: gpio_input: don't print debounce message unless flag is set

Change-Id: I29ccb32e795c5c3e4c51c3d3a209f5b55dfd7d94
Signed-off-by: Dima Zavin <dima@android.com>
diff --git a/include/linux/gpio_event.h b/include/linux/gpio_event.h
index 360b4dd..2613fc5 100644
--- a/include/linux/gpio_event.h
+++ b/include/linux/gpio_event.h
@@ -98,6 +98,7 @@
 /*	GPIOEDF_USE_IRQ             = (1U << 2) | GPIOIDF_USE_DOWN_IRQ, */
 	GPIOEDF_PRINT_KEYS          = 1U << 8,
 	GPIOEDF_PRINT_KEY_DEBOUNCE  = 1U << 9,
+	GPIOEDF_PRINT_KEY_UNSTABLE  = 1U << 10,
 };
 
 struct gpio_event_direct_entry {