Messages in this thread | | | Date | Tue, 22 Jul 2014 10:45:48 +0100 | From | Mark Brown <> | Subject | Re: [PATCH 4/4] ARM: tegra: roth: add display DT node |
| |
On Tue, Jul 22, 2014 at 01:39:51PM +0900, Alexandre Courbot wrote:
> I also don't think that would do it - for many displays the power-on > sequence is not as simple as "switch all the regulators on".
> Maybe what we would want is to have panel-simple allow panels to > provide a "probe" callback so they can request and manage any extra > resource they need. This would of course imply that custom > enable/disable and suspend/resume callbacks. Then the driver might not > be "simple" anymore, but IMHO it would not be that bad.
This is starting to mirror the discussion about MMC/SDIO devices where the talk was of having a property on the device saying which power up scheme to use - added Ulf for that. [unhandled content-type:application/pgp-signature] | |