From mboxrd@z Thu Jan 1 00:00:00 1970 From: broonie@opensource.wolfsonmicro.com (Mark Brown) Date: Tue, 27 Nov 2012 16:46:07 +0000 Subject: [PATCHv9 1/3] Runtime Interpreted Power Sequences In-Reply-To: <3136860.Z3VvKjeKpU@avalon> References: <1353149747-31871-1-git-send-email-acourbot@nvidia.com> <6982060.HfOokt4dIn@avalon> <50B4D9E9.8070607@ti.com> <3136860.Z3VvKjeKpU@avalon> Message-ID: <20121127164607.GG4468@opensource.wolfsonmicro.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Nov 27, 2012 at 04:37:32PM +0100, Laurent Pinchart wrote: > One possibly crazy idea I had was to replace backlight devices as we know them > with LED devices (a LED driver IC shouldn't be supported by different APIs > depending on whether the LEDs it drives are used as a backlight or not), and > have the panel hook up with the associated LED device to expose backlight > operations through the CDF. Panels with a backlight controller tied to the > panel controller (control through DSI for instance) would implement the > backlight operations directly without instantiating a LED device. This still > leaves the question of the userspace backlight brightness API open. I remember looking at that before but never actually got round to it, it seems like a sensible idea to me. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: