linux-kernel - [PATCH v4 5/8] iio: adc: ad4030: Use BIT macro to improve code readability

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Message-ID: <b90bd0c61853000d7f99b6652cb27d78908d8f51.1759929814.git.marcelo.schmitt@analog.com>
Date: Wed, 8 Oct 2025 10:50:58 -0300
From: Marcelo Schmitt <marcelo.schmitt@...log.com>
To: <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-doc@...r.kernel.org>, <linux-pwm@...r.kernel.org>,
        <linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <jic23@...nel.org>, <ukleinek@...nel.org>, <michael.hennerich@...log.com>,
        <nuno.sa@...log.com>, <eblanc@...libre.com>, <dlechner@...libre.com>,
        <andy@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <corbet@....net>, <marcelo.schmitt1@...il.com>,
        "Andy
 Shevchenko" <andy.shevchenko@...il.com>
Subject: [PATCH v4 5/8] iio: adc: ad4030: Use BIT macro to improve code readability

Use BIT macro to make the list of average modes more readable.

Suggested-by: Andy Shevchenko <andy.shevchenko@...il.com>
Link: https://lore.kernel.org/linux-iio/CAHp75Vfu-C3Hd0ZXTj4rxEgRe_O84cfo6jiRCPFxZJnYrvROWQ@mail.gmail.com/
Signed-off-by: Marcelo Schmitt <marcelo.schmitt@...log.com>
---
 drivers/iio/adc/ad4030.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/adc/ad4030.c b/drivers/iio/adc/ad4030.c
index 4393160c7c77..b2847fd90271 100644
--- a/drivers/iio/adc/ad4030.c
+++ b/drivers/iio/adc/ad4030.c
@@ -233,9 +233,11 @@ struct ad4030_state {
 }
 
 static const int ad4030_average_modes[] = {
-	1, 2, 4, 8, 16, 32, 64, 128,
-	256, 512, 1024, 2048, 4096, 8192, 16384, 32768,
-	65536,
+	BIT(0),					/* No averaging/oversampling */
+	BIT(1), BIT(2), BIT(3), BIT(4),		/* 2 to 16 */
+	BIT(5), BIT(6), BIT(7), BIT(8),		/* 32 to 256 */
+	BIT(9), BIT(10), BIT(11), BIT(12),	/* 512 to 4096 */
+	BIT(13), BIT(14), BIT(15), BIT(16),	/* 8192 to 65536 */
 };
 
 static int ad4030_enter_config_mode(struct ad4030_state *st)
-- 
2.39.2