linux-kernel - [PATCH v5 4/6] iio: addac: stx104: Improve indentation in stx104_write

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Message-Id: <487d17da9e2612f3e6b2bd1c3def2fa1b955db9b.1680790580.git.william.gray@linaro.org>
Date:   Thu,  6 Apr 2023 10:40:13 -0400
From:   William Breathitt Gray <william.gray@...aro.org>
To:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>
Cc:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        William Breathitt Gray <william.gray@...aro.org>
Subject: [PATCH v5 4/6] iio: addac: stx104: Improve indentation in stx104_write_raw()

By bailing out early if chan->output is false for the IIO_CHAN_INFO_RAW,
indentation can be decreased by a tab and code readability improved.

Suggested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: William Breathitt Gray <william.gray@...aro.org>
---
Changes in v5: none

 drivers/iio/addac/stx104.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/iio/addac/stx104.c b/drivers/iio/addac/stx104.c
index 0ed5f71b18cb..81020b710195 100644
--- a/drivers/iio/addac/stx104.c
+++ b/drivers/iio/addac/stx104.c
@@ -181,19 +181,19 @@ static int stx104_write_raw(struct iio_dev *indio_dev,
 
 		return 0;
 	case IIO_CHAN_INFO_RAW:
-		if (chan->output) {
-			if (val < 0 || val > U16_MAX)
-				return -EINVAL;
+		if (!chan->output)
+			return -EINVAL;
 
-			mutex_lock(&priv->lock);
+		if (val < 0 || val > U16_MAX)
+			return -EINVAL;
 
-			priv->chan_out_states[chan->channel] = val;
-			iowrite16(val, &priv->reg->dac[chan->channel]);
+		mutex_lock(&priv->lock);
 
-			mutex_unlock(&priv->lock);
-			return 0;
-		}
-		return -EINVAL;
+		priv->chan_out_states[chan->channel] = val;
+		iowrite16(val, &priv->reg->dac[chan->channel]);
+
+		mutex_unlock(&priv->lock);
+		return 0;
 	}
 
 	return -EINVAL;
-- 
2.39.2