On Wed, 2018-11-07 at 16:50 -0200, Giuliano Belinassi wrote:
> Only the ad778x have the 'gain' status bit. Check it before updating.
>
This looks good.
The only note is that it can be squashed with the 1st patch (which I noted
on the 1st patch).
> Signed-off-by: Giuliano Belinassi
> ---
> drivers/staging/iio/adc/ad7780.c | 10 ++
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/iio/adc/ad7780.c
> b/drivers/staging/iio/adc/ad7780.c
> index 6e51bfdb076a..0a473aae52f2 100644
> --- a/drivers/staging/iio/adc/ad7780.c
> +++ b/drivers/staging/iio/adc/ad7780.c
> @@ -114,10 +114,12 @@ static int ad7780_postprocess_sample(struct
> ad_sigma_delta *sigma_delta,
> ((raw_sample & chip_info->pattern_mask) != chip_info->pattern))
> return -EIO;
>
> - if (raw_sample & AD7780_GAIN)
> - st->gain = 1;
> - else
> - st->gain = 128;
> + if (chip_info->is_ad778x) {
> + if (raw_sample & AD7780_GAIN)
> + st->gain = 1;
> + else
> + st->gain = 128;
> + }
>
> return 0;
> }
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