Re: [PATCH RFC 6/8] iio: frequency: ad9910: add RAM mode support
From: Rodrigo Alencar
Date: Tue Mar 03 2026 - 10:43:21 EST
On 26/03/01 01:31PM, Jonathan Cameron wrote:
> On Fri, 20 Feb 2026 16:46:10 +0000
> Rodrigo Alencar via B4 Relay <devnull+rodrigo.alencar.analog.com@xxxxxxxxxx> wrote:
>
> > From: Rodrigo Alencar <rodrigo.alencar@xxxxxxxxxx>
> >
> > Add RAM channel with support for profile-based control. This includes:
> > - RAM data loading via binary sysfs attribute (ram_data);
>
> I'm not sure that's a long term viable path. We either need
> to figure out how to do it as firmware file load, or via an output buffer.
Could you develop on this? it is not viable because iio would drop that
support? using sysfs_create_bin_file() directly would be better?
> Firmware load would probably be too static and I'm not sure quite
> how we map these to IIO output buffers.
will investigate this buffer route. At this point, we can have multiple
buffers, right? I have the DMA engine buffer working with the parallel port.
...
--
Kind regards,
Rodrigo Alencar