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Message-ID: <202212011142333790361@zte.com.cn>
Date:   Thu, 1 Dec 2022 11:42:33 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <jic23@...nel.org>
Cc:     <eugen.hristev@...rochip.com>, <lars@...afoo.de>,
        <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <claudiu.beznea@...rochip.com>, <linux-iio@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] iio: adc: at91-sama5d2_adc: use sysfs_emit() to instead of

 scnprintf()

From: ye xingchen <ye.xingchen@....com.cn>

Replace the open-code with sysfs_emit() to simplify the code.

Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
---
 drivers/iio/adc/at91-sama5d2_adc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
index ed4f8501bda8..50d02e5fc6fc 100644
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -2181,7 +2181,7 @@ static ssize_t at91_adc_get_fifo_state(struct device *dev,
 	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct at91_adc_state *st = iio_priv(indio_dev);

-	return scnprintf(buf, PAGE_SIZE, "%d\n", !!st->dma_st.dma_chan);
+	return sysfs_emit(buf, "%d\n", !!st->dma_st.dma_chan);
 }

 static ssize_t at91_adc_get_watermark(struct device *dev,
@@ -2190,7 +2190,7 @@ static ssize_t at91_adc_get_watermark(struct device *dev,
 	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct at91_adc_state *st = iio_priv(indio_dev);

-	return scnprintf(buf, PAGE_SIZE, "%d\n", st->dma_st.watermark);
+	return sysfs_emit(buf, "%d\n", st->dma_st.watermark);
 }

 static IIO_DEVICE_ATTR(hwfifo_enabled, 0444,
-- 
2.25.1

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