input: atmel_maxtouch: Report BTN_TOUCH event

Report BTN_TOUCH event along with other input
events.

Change-Id: I1ba414224f978c13e24c382b5c0fd57f82f66577
Signed-off-by: Mohan Pallaka <mpallaka@codeaurora.org>
diff --git a/drivers/input/touchscreen/atmel_maxtouch.c b/drivers/input/touchscreen/atmel_maxtouch.c
index d2bd4df..35507e1 100644
--- a/drivers/input/touchscreen/atmel_maxtouch.c
+++ b/drivers/input/touchscreen/atmel_maxtouch.c
@@ -939,6 +939,7 @@
 				input_mt_sync(mxt->input);
 			}
 		}
+		input_report_key(mxt->input, BTN_TOUCH, !!active_touches);
 		if (active_touches == 0)
 			input_mt_sync(mxt->input);
 		input_sync(mxt->input);