linux-kernel - [PATCH 1/6] iio: adc: ad7124: use clamp()

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Message-Id: <20250905-iio-adc-ad7124-add-filter-support-v1-1-aee3834be6a9@baylibre.com>
Date: Fri, 05 Sep 2025 13:11:56 -0500
From: David Lechner <dlechner@...libre.com>
To: Michael Hennerich <Michael.Hennerich@...log.com>, 
 Jonathan Cameron <jic23@...nel.org>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Andy Shevchenko <andy@...nel.org>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 David Lechner <dlechner@...libre.com>
Subject: [PATCH 1/6] iio: adc: ad7124: use clamp()

Use clamp() instead of open-coding clamping.

Signed-off-by: David Lechner <dlechner@...libre.com>
---
 drivers/iio/adc/ad7124.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index 70f458e3ccc12db884dda9003abcffdf48989e5e..117777fc8ad05b773da09c113cf84927c75d6b7b 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -15,6 +15,7 @@
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/kfifo.h>
+#include <linux/minmax.h>
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
 #include <linux/property.h>
@@ -301,11 +302,7 @@ static void ad7124_set_channel_odr(struct ad7124_state *st, unsigned int channel
 	 * FS[10:0] can have a value from 1 to 2047
 	 */
 	factor = 32 * 4; /* N = 4 for default sinc4 filter. */
-	odr_sel_bits = DIV_ROUND_CLOSEST(fclk, odr * factor);
-	if (odr_sel_bits < 1)
-		odr_sel_bits = 1;
-	else if (odr_sel_bits > 2047)
-		odr_sel_bits = 2047;
+	odr_sel_bits = clamp(DIV_ROUND_CLOSEST(fclk, odr * factor), 1, 2047);
 
 	if (odr_sel_bits != st->channels[channel].cfg.odr_sel_bits)
 		st->channels[channel].cfg.live = false;

-- 
2.43.0