[PATCH 10/17] drm/sun4i: tcon-top: Add helpers for switching mux

[Chen-Yu Tsai]

On Sat, Jul 7, 2018 at 1:51 AM, Jernej Skrabec <jernej.skrabec at siol.net> wrote:
> We want to be able to set TCON TOP muxes at runtime. Add helpers for
> that.
>
> Old, static configuration of muxes at probe time is preserved for now.
> It will be removed when R40 TCON starts using them.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec at siol.net>

Reviewed-by: Chen-Yu Tsai <wens at csie.org>