linux-kernel - [PATCH] iio:magnetometer: Replace magic number 0 by IIO_CHAN_INFO

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Date:   Tue, 27 Feb 2018 11:47:55 -0300
From:   Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>
Cc:     daniel.baluta@....com, kernel-janitors@...r.kernel.org,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] iio:magnetometer: Replace magic number 0 by IIO_CHAN_INFO_RAW

The function magn_3d_read_raw has a switch statement handling multiple
cases per channel. The first case statement uses the magic number 0,
which means IIO_CHAN_INFO_RAW. Additionally, the iio_chan_spec for
magn_3d_channels is configured to be IIO_CHAN_INFO_RAW. Therefore, this
patch replaces the magic number 0 for the appropriate IIO_CHAN_INFO_RAW.

Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>
---
 drivers/iio/magnetometer/hid-sensor-magn-3d.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
index a1fd9d591818..d55c4885211a 100644
--- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c
+++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
@@ -167,7 +167,7 @@ static int magn_3d_read_raw(struct iio_dev *indio_dev,
 	*val = 0;
 	*val2 = 0;
 	switch (mask) {
-	case 0:
+	case IIO_CHAN_INFO_RAW:
 		hid_sensor_power_state(&magn_state->magn_flux_attributes, true);
 		report_id =
 			magn_state->magn[chan->address].report_id;
-- 
2.16.2