ACPI: thinkpad-acpi: issue EV_SYNC after EV_SWITCH

We were missing a input_sync on the radio switch event report path. Add it.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 0222bba..8aa0f96 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -1149,9 +1149,11 @@
 {
 	int wlsw;
 
-	if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw))
+	if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) {
 		input_report_switch(tpacpi_inputdev,
 				    SW_RADIO, !!wlsw);
+		input_sync(tpacpi_inputdev);
+	}
 }
 
 static void hotkey_notify(struct ibm_struct *ibm, u32 event)