On 01/20/2013 01:26 PM, Alexandre Courbot wrote: > On Sun, Jan 20, 2013 at 12:38 PM, Mark Zhang <markz@xxxxxxxxxx> wrote: >> So this is a non power sequence version of backlight & panel enabling, >> isn't it? I remember we talked about this several days ago and you >> mentioned kernel guys want an ad-hoc version(power sequence logics >> inside driver, not in DT) and I believe this is it, right? > > Basically, yes - I still think power-seqs could be useful here > (especially after seeing the size of these sub-drivers if you want to > do error checking properly) and plan to give it another shot without > DT, but this will not happen soon since we need to do some GPIO > redesign before. You can see what's wrong in the init() function of > the subdriver: we call a device tree function to obtain the GPIO as > there is no get function. > Okay. I think I got the picture. I'll read the codes when I'm free and I think I'll understand this better after that. >> I think finally I can enable Tegra30 cardhu's display after this patch >> merged. > > Yes, feel free to write a subdriver for Cardhu if you like - I'd like > to see all T20 and T30 boards supported by the time this gets merged. > Yep, I can try to do that. I'll let you know if I have problems. Mark > Thanks, > Alex. > -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
