Re: [PATCH RFC v6 2/5] Documentation: iio: add Open Sensor Fusion driver overview

[Jonathan Cameron <jic23@kernel.org>]

On Mon, 29 Jun 2026 04:13:34 +0900
Jinseob Kim <kimjinseob88@gmail.com> wrote:

> Document the Linux IIO mapping for Open Sensor Fusion devices.
> 
> The overview explains that sensor channels are discovered at runtime
> from mandatory capability reports. It also documents that OSF0 is a
> wire-format detail and that protocol_major and protocol_minor carry
> protocol compatibility information.
> 
> Signed-off-by: Jinseob Kim <kimjinseob88@gmail.com>

One small thing inline.  Otherwise looks good to me!

Jonathan

> diff --git a/Documentation/iio/open-sensor-fusion.rst b/Documentation/iio/open-sensor-fusion.rst
> new file mode 100644
> index 000000000..832901f5e
> --- /dev/null
> +++ b/Documentation/iio/open-sensor-fusion.rst

> +Timestamps
> +----------
> +
> +OSF frames include a device-side ``timestamp_us`` field. Buffered IIO samples use
> +an IIO timestamp captured on the host when samples are pushed to IIO buffers.
> +The initial driver does not correlate the device timestamp with the host IIO
> +clock.

Really small thing but I would avoid talking about 'initial' driver.
It can cause confusion about when something is true and when it is not
as we may have multiple non 'initial' drivers before you get to changing
this handling. So just remove that word.