Re: [PATCH v8 1/6] Documentation: ABI: IIO: add new convdelay documentation
From: David Lechner
Date: Tue Jun 03 2025 - 11:54:28 EST
On 6/3/25 9:36 AM, Angelo Dureghello wrote:
> From: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
>
> Add new IIO "convdelay" documentation.
>
> The ad7606 implements a phase calibation feature, in nanoseconds.
> Being this a time delay, using the convdelay suffix.
>
> Signed-off-by: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
> ---
> Documentation/ABI/testing/sysfs-bus-iio | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> index ef52c427a015cf47bb9847782e13afbee01e9f31..7e59cbd5acb85fd0909c1d56f9d76a84933d418a 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -559,6 +559,30 @@ Description:
> - a small discrete set of values like "0 2 4 6 8"
> - a range specified as "[min step max]"
>
> +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_convdelay
> +KernelVersion: 6.16
> +Contact: linux-iio@xxxxxxxxxxxxxxx
> +Description:
> + Delay of start of conversion from common reference point shared
> + by all channels. Can be writable when used to compensate for
> + delay variation introduced by external filters feeding a
> + simultaneous sampling ADC.
> +
> + E.g., for the ad7606 ADC series, this value is intended as a
> + configurable time delay in seconds, to correct delay introduced
> + by an optional external filtering circuit.
> +
> +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_convdelay_available
> +KernelVersion: 6.16
Forgot to change these to 6.17?
> +Contact: linux-iio@xxxxxxxxxxxxxxx
> +Description:
> + Available values of convdelay. Maybe expressed as:
> +
> + - a range specified as "[min step max]"
> +
> + If shared across all channels, <type>_convdelay_available
> + is used.
> +
> What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibscale
> What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibscale
> What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibscale
>