Input: wm97xx - remove redundant define

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/touchscreen/atmel-wm97xx.c b/drivers/input/touchscreen/atmel-wm97xx.c
index c804189..8034cbb 100644
--- a/drivers/input/touchscreen/atmel-wm97xx.c
+++ b/drivers/input/touchscreen/atmel-wm97xx.c
@@ -164,7 +164,7 @@
 
 		data = ac97c_readl(atmel_wm97xx, CBRHR);
 		value = data & 0x0fff;
-		source = data & WM97XX_ADCSRC_MASK;
+		source = data & WM97XX_ADCSEL_MASK;
 		pen_down = (data & WM97XX_PEN_DOWN) >> 8;
 
 		if (source == WM97XX_ADCSEL_X)