Re: [PATCH 0/9] drm/panel and i2c-hid: Allow panels and touchscreens to power sequence together

Dmitry Torokhov
2023-05-23T21:39:38Z

Hi Doug,

On Tue, May 23, 2023 at 12:27:54PM -0700, Douglas Anderson wrote:
>
> The big motivation for this patch series is mostly described in the patch
> ("drm/panel: Add a way for other devices to follow panel state"), but to
> quickly summarize here: for touchscreens that are connected to a panel we
> need the ability to power sequence the two device together. This is not a
> new need, but so far we've managed to get by through a combination of
> inefficiency, added costs, or perhaps just a little bit of brokenness.
> It's time to do better. This patch series allows us to do better.

This seems to grow a new way of building relationship between panels and
associated devices. Can we make device_link_*() work for us?

Thanks.

--
Dmitry