On Thu, Dec 7, 2023 at 6:39 AM Nuno Sa via B4 Relay
<devnull+nuno.sa.analog.com@xxxxxxxxxx> wrote:
>
> From: Nuno Sa <nuno.sa@xxxxxxxxxx>
>
> When reading in_voltage_scale we can get something like:
>
> root@analog:/sys/bus/iio/devices/iio:device2# cat in_voltage_scale
> 0.038146
>
> However, when reading the available options:
>
> root@analog:/sys/bus/iio/devices/iio:device2# cat
> in_voltage_scale_available
> 2000.000000 2100.000006 2200.000007 2300.000008 2400.000009 2500.000010
>
> which does not make sense. Moreover, when trying to set a new scale we
> get an error because there's no call to __ad9467_get_scale() to give us
> values as given when reading in_voltage_scale. Fix it by computing the
> available scales during probe and properly pass the list when
> .read_available() is called.
>
> While at it, change to use .read_available() from iio_info. Also note
> that to properly fix this, adi-axi-adc.c has to be changed accordingly.
>
> Fixes: ad6797120238 ("iio: adc: ad9467: add support AD9467 ADC")
> Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
> ---
Reviewed-by: David Lechner <dlechner@xxxxxxxxxxxx>
