Re: [PATCH v4 3/4] iio: adc: ltc2378: Enable high-speed data capture

[Marcelo Schmitt]

> > +	/* Double check the minimum CNV high time is met */
> > +	if (cnv_wf.duty_length_ns < LTC2378_TCNV_HIGH_NS)
> > +		return -EIO;
> 
> Hmm... How is this IO issue?

Okay, what about EDOM for PWM setup failures? Any error code suggestion otherwise?
Will follow the other suggestions.

Thanks,
Marcelo