diff --git a/drivers/input/touchscreen/tsc2007_core.c b/drivers/input/touchscreen/tsc2007_core.c
index 524f14eb3da2..f9b3d2598933 100644
--- a/drivers/input/touchscreen/tsc2007_core.c
+++ b/drivers/input/touchscreen/tsc2007_core.c
@@ -61,10 +61,8 @@ static void tsc2007_read_values(struct tsc2007 *tsc, struct ts_event *tc)
 
 	/* turn y+ off, x- on; we'll use formula #1 */
 	tc->z1 = tsc2007_xfer(tsc, READ_Z1);
-	tc->z2 = tsc2007_xfer(tsc, READ_Z2);
-
-	/* Prepare for next touch reading - power down ADC, enable PENIRQ */
-	tsc2007_xfer(tsc, PWRDOWN);
+	/* Read Z2 and power down ADC after A/D conversion, enable PENIRQ */
+	tc->z2 = tsc2007_xfer(tsc, (TSC2007_POWER_OFF_IRQ_EN | TSC2007_MEASURE_Z2));
 }
 
 u32 tsc2007_calculate_resistance(struct tsc2007 *tsc, struct ts_event *tc)