linux-kernel - [PATCH v3 3/4] Staging: iio: adis16209: Adjust a switch statement

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Date:   Sun,  4 Mar 2018 18:13:12 +0530
From:   Shreeya Patel <shreeya.patel23498@...il.com>
To:     lars@...afoo.de, Michael.Hennerich@...log.com, jic23@...nel.org,
        knaack.h@....de, pmeerw@...erw.net, gregkh@...uxfoundation.org,
        linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, daniel.baluta@...il.com
Cc:     Shreeya Patel <shreeya.patel23498@...il.com>
Subject: [PATCH v3 3/4] Staging: iio: adis16209: Adjust a switch statement

Adjust a switch block to explicitly match channels and
return -EINVAL as default case which makes the code
semantically more clear.

Signed-off-by: Shreeya Patel <shreeya.patel23498@...il.com>
---

Changes in v3
  -After split patch.

 drivers/staging/iio/accel/adis16209.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/iio/accel/adis16209.c b/drivers/staging/iio/accel/adis16209.c
index eb5c878..9cb1ce0 100644
--- a/drivers/staging/iio/accel/adis16209.c
+++ b/drivers/staging/iio/accel/adis16209.c
@@ -155,10 +155,16 @@ static int adis16209_read_raw(struct iio_dev *indio_dev,
 		switch (chan->type) {
 		case IIO_VOLTAGE:
 			*val = 0;
-			if (chan->channel == 0)
+			switch (chan->channel) {
+			case 0:
 				*val2 = 305180; /* 0.30518 mV */
-			else
+				break;
+			case 1:
 				*val2 = 610500; /* 0.6105 mV */
+				break;
+			default:
+				return -EINVAL;
+			}
 			return IIO_VAL_INT_PLUS_MICRO;
 		case IIO_TEMP:
 			*val = -470;
-- 
2.7.4