Fixes the following W=1 kernel build warning(s):

  drivers/input/misc/wm831x-on.c:30: warning: cannot understand function prototype: 'struct wm831x_on '

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Mark Brown <redacted>
Cc: patches@opensource.cirrus.com
Cc: linux-input@vger.kernel.org
Signed-off-by: Lee Jones <redacted>
---
  drivers/input/misc/wm831x-on.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/misc/wm831x-on.c b/drivers/input/misc/wm831x-on.c
index 1b44de265a0ad..a42fe041b73c6 100644
--- a/drivers/input/misc/wm831x-on.c
+++ b/drivers/input/misc/wm831x-on.c

@@ -1,4 +1,4 @@
-/**
+/*
   * wm831x-on.c - WM831X ON pin driver
   *
   * Copyright (C) 2009 Wolfson Microelectronics plc