linux-kernel - [PATCH 2/2] staging: iio: cdc: ad7150: create macro for capacitance channels

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Date:   Sat, 18 May 2019 19:41:36 -0300
From:   Bárbara Fernandes <barbara.fernandes@....br>
To:     Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Stefan Popa <stefan.popa@...log.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org,
        Bárbara Fernandes <barbara.fernandes@....br>,
        Wilson Sales <spoonm@...onm.org>
Subject: [PATCH 2/2] staging: iio: cdc: ad7150: create macro for capacitance channels

Create macro for capacitance channels in order to remove the repeated
code and improve its readability.

Signed-off-by: Bárbara Fernandes <barbara.fernandes@....br>
Signed-off-by: Wilson Sales <spoonm@...onm.org>
Co-developed-by: Wilson Sales <spoonm@...onm.org>
---
 drivers/staging/iio/cdc/ad7150.c | 29 ++++++++++++-----------------
 1 file changed, 12 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c
index 072094227e1b..d8c43cabce25 100644
--- a/drivers/staging/iio/cdc/ad7150.c
+++ b/drivers/staging/iio/cdc/ad7150.c
@@ -468,24 +468,19 @@ static const struct iio_event_spec ad7150_events[] = {
 	},
 };
 
+#define AD7150_CAPACITANCE_CHAN(_chan)	{			\
+		.type = IIO_CAPACITANCE,			\
+		.indexed = 1,					\
+		.channel = _chan,				\
+		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |	\
+		BIT(IIO_CHAN_INFO_AVERAGE_RAW),			\
+		.event_spec = ad7150_events,			\
+		.num_event_specs = ARRAY_SIZE(ad7150_events),	\
+	}
+
 static const struct iio_chan_spec ad7150_channels[] = {
-	{
-		.type = IIO_CAPACITANCE,
-		.indexed = 1,
-		.channel = 0,
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
-		BIT(IIO_CHAN_INFO_AVERAGE_RAW),
-		.event_spec = ad7150_events,
-		.num_event_specs = ARRAY_SIZE(ad7150_events),
-	}, {
-		.type = IIO_CAPACITANCE,
-		.indexed = 1,
-		.channel = 1,
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
-		BIT(IIO_CHAN_INFO_AVERAGE_RAW),
-		.event_spec = ad7150_events,
-		.num_event_specs = ARRAY_SIZE(ad7150_events),
-	},
+	AD7150_CAPACITANCE_CHAN(0),
+	AD7150_CAPACITANCE_CHAN(1)
 };
 
 /*
-- 
2.22.0.rc0.1.g337bb99195.dirty