On Fri, 15 Mar 2019 23:14:27 -0300
Renato Lui Geh <renatogeh@xxxxxxxxx> wrote:
> The ad7780 supports both the ad778x and ad717x families. Each chip has
> a corresponding ID. This patch provides a mask for extracting ID values
> from the status bits and also macros for the correct values for the
> ad7170, ad7171, ad7780 and ad7781.
>
> Signed-off-by: Renato Lui Geh <renatogeh@xxxxxxxxx>
I'll admit I find it hard to summon an enthusiasm for this patch, but
it does no harm and I don't want to delay the following ones.
Hence applied anyway.
Jonathan
> ---
> Changes in v5:
> - Put AD7780_ID{0,1} back
>
> drivers/staging/iio/adc/ad7780.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c
> index 94cb60c327d0..977b381c1260 100644
> --- a/drivers/staging/iio/adc/ad7780.c
> +++ b/drivers/staging/iio/adc/ad7780.c
> @@ -30,6 +30,12 @@
> #define AD7780_ID0 BIT(3)
> #define AD7780_GAIN BIT(2)
>
> +#define AD7170_ID 0
> +#define AD7171_ID 1
> +#define AD7780_ID 1
> +#define AD7781_ID 0
> +
> +#define AD7780_ID_MASK (AD7780_ID0 | AD7780_ID1)
>
> #define AD7780_PATTERN_GOOD 1
> #define AD7780_PATTERN_MASK GENMASK(1, 0)
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