> -----Original Message----- > From: Tomi Valkeinen [mailto:[email protected]] > Sent: Thursday, April 01, 2010 5:25 PM > To: Hiremath, Vaibhav > Cc: [email protected]; [email protected] > Subject: Re: [PATCH 1/2] OMAP3EVM: Made backlight GPIO default state to off > > Hi, > > On Mon, 2010-03-22 at 14:11 +0100, ext [email protected] wrote: > > From: Vaibhav Hiremath <[email protected]> > > > > If you choose default output to DVI, the LCD backlight still > > gets powered, since panel->disable function never gets called for LCD. > > > > So, during init put backlight GPIO to off state and the driverr > > code will decide which output to enable explicitly. > > I'm not sure I understand this patch. You talk about choosing default > output (via kernel boot args, I presume), [Hiremath, Vaibhav] yes you are correct. I am talking about default output selection using bootargs.
> but the code checks for EVM > revision. What is the connection between EVM revision and selecting > display output? [Hiremath, Vaibhav] Ohh ok, I think you are not aware that we do have 2 version of EVM's. EVM-1 with positive (backlight gpio) polarity and EVM-2 with negative (backlight gpio) polarity. The code is doing exactly same. Thanks, Vaibhav > > Tomi > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
