From: Hartmut Knaack <knaack.h@gmx.de>
Date: Thu, 7 Aug 2014 11:06:00 +0000 (+0100)
Subject: staging:iio:ad7291 faciliate ad7291_read_event_config()
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=8a32f65f389396267ae50a78d3416bcac5d4d959;p=deliverable%2Flinux.git

staging:iio:ad7291 faciliate ad7291_read_event_config()

Save some lines in returning a voltage event.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---

diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c
index 0ec6454b33a1..40f1cea25e1f 100644
--- a/drivers/staging/iio/adc/ad7291.c
+++ b/drivers/staging/iio/adc/ad7291.c
@@ -247,10 +247,7 @@ static int ad7291_read_event_config(struct iio_dev *indio_dev,
 
 	switch (chan->type) {
 	case IIO_VOLTAGE:
-		if (chip->c_mask & BIT(15 - chan->channel))
-			return 1;
-		else
-			return 0;
+		return !!(chip->c_mask & BIT(15 - chan->channel));
 	case IIO_TEMP:
 		/* always on */
 		return 1;