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SubjectRe: [PATCH] iio: adc: ad7124: fix mask used for setting AIN_BUFP & AIN_BUFM bits
On Wed, 12 Jan 2022 22:00:36 +0200
Cosmin Tanislav <demonsingur@gmail.com> wrote:

> 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@analog.com>
Curious that didn't cause problems anyone noticed before. Ah well.

Applied to the fixes-togreg branch of iio.git and marked for stable.

Note that branch will probably be rebased after rc1 as I have some
other things that need rc1 which will be in same pull request.

Jonathan

> ---
> drivers/iio/adc/ad7124.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
> index e45c600fccc0..18c154afbd7a 100644
> --- 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 */

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