diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c
index 6cdcf2a6e036..b6b8b1c7ecea 100644
--- a/drivers/input/touchscreen/mainstone-wm97xx.c
+++ b/drivers/input/touchscreen/mainstone-wm97xx.c
@@ -153,6 +153,9 @@ static int wm97xx_acc_pen_down(struct wm97xx *wm)
 		if (pressure)
 			p = MODR;
 
+		dev_dbg(wm->dev, "Raw coordinates: x=%x, y=%x, p=%x\n",
+			x, y, p);
+
 		/* are samples valid */
 		if ((x & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_X ||
 		    (y & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_Y ||
diff --git a/drivers/input/touchscreen/zylonite-wm97xx.c b/drivers/input/touchscreen/zylonite-wm97xx.c
index eca54dbdf493..048849867643 100644
--- a/drivers/input/touchscreen/zylonite-wm97xx.c
+++ b/drivers/input/touchscreen/zylonite-wm97xx.c
@@ -118,6 +118,9 @@ static int wm97xx_acc_pen_down(struct wm97xx *wm)
 		if (pressure)
 			p = MODR;
 
+		dev_dbg(wm->dev, "Raw coordinates: x=%x, y=%x, p=%x\n",
+			x, y, p);
+
 		/* are samples valid */
 		if ((x & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_X ||
 		    (y & WM97XX_ADCSRC_MASK) != WM97XX_ADCSEL_Y ||