Input: touchscreen - use local variables consistently

If a function declares a variable to access a structure element,
use it consistently.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
index fe4848b..91dc5fb 100644
--- a/drivers/input/touchscreen/ili210x.c
+++ b/drivers/input/touchscreen/ili210x.c
@@ -280,7 +280,7 @@
 		goto err_remove_sysfs;
 	}
 
-	device_init_wakeup(&client->dev, 1);
+	device_init_wakeup(dev, 1);
 
 	dev_dbg(dev,
 		"ILI210x initialized (IRQ: %d), firmware version %d.%d.%d",