Re: [PATCH v6 2/4] iio: adc: ltc2378: Add support for LTC2378-20 and similar ADCs

[David Lechner]

On 7/9/26 3:49 PM, Marcelo Schmitt wrote:
> Support for LTC2378-20 and similar analog-to-digital converters.
> 

...

> +static int ltc2378_convert_and_acquire(struct ltc2378_state *st)
> +{
> +	int ret;
> +
> +	guard(mutex)(&st->lock);
> +	/* Cause a rising edge of CNV to initiate a new ADC conversion */
> +	gpiod_set_value_cansleep(st->cnv_gpio, 1);

Wouldn't mind a comment here explaining where 4 comes from.

> +	fsleep(4);
> +	ret = spi_sync_transfer(st->spi, &st->xfer, 1);
> +	gpiod_set_value_cansleep(st->cnv_gpio, 0);
> +
> +	return ret;
> +}
> +