> >> +struct dpot_dac {
> >> + struct regulator *vref;
> >> + struct iio_channel *dpot;
> >
> > const
>
> const? devm_iio_channel_get doesn't return a const iio_channel. What
> am I missing?
ah, I mixed this up with iio_chan_spec
> >> + u32 max_ohms;
> >> +};
> >> +
> >> +static const struct iio_chan_spec dpot_dac_iio_channel = {
> >> + .type = IIO_VOLTAGE,
> >> + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW)
> >> + | BIT(IIO_CHAN_INFO_SCALE),
> >> + .output = 1,
> >> +};
> >> +
> >> +static int dpot_dac_read_raw(struct iio_dev *indio_dev,
> >> + struct iio_chan_spec const *chan,
> >> + int *val, int *val2, long mask)
> >> +{
> >> + struct dpot_dac *dac = iio_priv(indio_dev);
> >> + int ret;
> >> + unsigned long long tmp;
> >
> > s64 (which is used to cast below)
>
> I assume that what you really want is to get rid of the cast, and
> that you aren't really bothered if tmp is ull or s32, right? Given
> that assumption, I'm just dropping the cast instead. The LL specifier
> on the constant should promote *val anyway.
what I meant to pick upon was mixing
s64 with unsigned long long with LL in the code that follows
anything simpler and more consistent would be good
thanks, p.
--
Peter Meerwald-Stadler
+43-664-2444418 (mobile)
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