linux-kernel - [PATCH 5.15 099/139] iio: adc: ad7124: fix mask used for setting AIN_BUFP & AIN

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Date:   Mon, 28 Feb 2022 18:24:33 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Cosmin Tanislav <cosmin.tanislav@...log.com>,
        Stable@...r.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [PATCH 5.15 099/139] iio: adc: ad7124: fix mask used for setting AIN_BUFP & AIN_BUFM bits

From: Cosmin Tanislav <demonsingur@...il.com>

commit 0e33d15f1dce9e3a80a970ea7f0b27837168aeca upstream.

According to page 90 of the datasheet [1], AIN_BUFP is bit 6 and
AIN_BUFM is bit 5 of the CONFIG_0 -> CONFIG_7 registers.

Fix the mask used for setting these bits.

[1]: https://www.analog.com/media/en/technical-documentation/data-sheets/ad7124-8.pdf

Fixes: 0eaecea6e487 ("iio: adc: ad7124: Add buffered input support")
Signed-off-by: Cosmin Tanislav <cosmin.tanislav@...log.com>
Link: https://lore.kernel.org/r/20220112200036.694490-1-cosmin.tanislav@analog.com
Cc: <Stable@...r.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/iio/adc/ad7124.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -76,7 +76,7 @@
 #define AD7124_CONFIG_REF_SEL(x)	FIELD_PREP(AD7124_CONFIG_REF_SEL_MSK, x)
 #define AD7124_CONFIG_PGA_MSK		GENMASK(2, 0)
 #define AD7124_CONFIG_PGA(x)		FIELD_PREP(AD7124_CONFIG_PGA_MSK, x)
-#define AD7124_CONFIG_IN_BUFF_MSK	GENMASK(7, 6)
+#define AD7124_CONFIG_IN_BUFF_MSK	GENMASK(6, 5)
 #define AD7124_CONFIG_IN_BUFF(x)	FIELD_PREP(AD7124_CONFIG_IN_BUFF_MSK, x)
 
 /* AD7124_FILTER_X */