On Mon, 2024-06-10 at 09:23 +0200, Nuno Sá wrote:
> On Fri, 2024-06-07 at 17:53 +0300, Dumitru Ceclan via B4 Relay wrote:
> > From: Dumitru Ceclan <dumitru.ceclan@xxxxxxxxxx>
> >
> > Move validation of analog inputs and reference voltage selection to
> > separate functions to reduce the size of the channel config parsing
> > function and improve readability.
> > Add defines for the number of analog inputs in a channel.
> >
> > Signed-off-by: Dumitru Ceclan <dumitru.ceclan@xxxxxxxxxx>
> > ---
>
> One minor nit that maybe can be tweaked while applying. Anyways, no need for
> v8
> just because of it:
>
> Reviewed-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
>
> > drivers/iio/adc/ad7173.c | 62 +++++++++++++++++++++++++++++++++------------
> > --
> > -
> > 1 file changed, 43 insertions(+), 19 deletions(-)
> >
> > diff --git a/drivers/iio/adc/ad7173.c b/drivers/iio/adc/ad7173.c
> > index 8631f218b69e..1257303b0cf6 100644
> > --- a/drivers/iio/adc/ad7173.c
> > +++ b/drivers/iio/adc/ad7173.c
> > @@ -60,6 +60,7 @@
> > #define AD7173_CH_SETUP_AINPOS_MASK GENMASK(9, 5)
> > #define AD7173_CH_SETUP_AINNEG_MASK GENMASK(4, 0)
> >
> > +#define AD7173_NO_AINS_PER_CHANNEL 2
> > #define AD7173_CH_ADDRESS(pos, neg) \
> > (FIELD_PREP(AD7173_CH_SETUP_AINPOS_MASK, pos) | \
> > FIELD_PREP(AD7173_CH_SETUP_AINNEG_MASK, neg))
> > @@ -906,13 +907,48 @@ static int ad7173_register_clk_provider(struct iio_dev
> > *indio_dev)
> > &st->int_clk_hw);
> > }
> >
> > +static int ad7173_validate_voltage_ain_inputs(struct ad7173_state *st,
> > + unsigned int ain0, unsigned
> > int
> > ain1)
> > +{
> > + struct device *dev = &st->sd.spi->dev;
> > +
> > + if (ain0 >= st->info->num_inputs ||
> > + ain1 >= st->info->num_inputs)
> > + return dev_err_probe(dev, -EINVAL,
> > + "Input pin number out of range for
> > pair
> > (%d %d).\n",
> > + ain0, ain1);
> > +
> > + return 0;
> > +}
> > +
> > +static int ad7173_validate_reference(struct ad7173_state *st, int ref_sel)
> > +{
> > + struct device *dev = &st->sd.spi->dev;
> > + int ret;
> > +
> > + if (ref_sel == AD7173_SETUP_REF_SEL_INT_REF && !st->info-
> > > has_int_ref)
> > + return dev_err_probe(dev, -EINVAL,
> > + "Internal reference is not available on current
> > model.\n");
> > +
> > + if (ref_sel == AD7173_SETUP_REF_SEL_EXT_REF2 && !st->info-
> > >has_ref2)
> > + return dev_err_probe(dev, -EINVAL,
> > + "External reference 2 is not available on current
> > model.\n");
> > +
> > + ret = ad7173_get_ref_voltage_milli(st, ref_sel);
> > + if (ret < 0)
> > + return dev_err_probe(dev, ret, "Cannot use reference %u\n",
> > + ref_sel);
> > +
> > + return 0;
>
> could be return ad7173_get_ref_voltage_milli()...
>
Bahh, disregard my comment. We went over this in v6 :facepalm:
- Nuno Sá
