Re: [PATCH RFC 0/4] iio: add support for multiple scan types

[Nuno Sá]

On Tue, 2024-05-07 at 14:02 -0500, David Lechner wrote:
> Following up from this thread [1]...
> 
> Unless I've overlooked something important, I think adding support for
> multiple scan types per channels should be rather trivial, at least in
> the kernel. Userspace tools will need to learn to re-read buffer _type
> attributes though. For example, it looks like libiio caches these values.
> I had to restart iiod to get a proper capture with the iio-oscilloscope
> after changing the scan type at runtime.

No for now but to add more future fun, we may consider in having something
similar as hwmon [1]. Hence, userspace could do things like poll(2) on the
specific file rather than having to read it over and over...

[1]: https://elixir.bootlin.com/linux/latest/source/drivers/hwmon/hwmon.c#L649
- Nuno Sá