On Tue, 2012-02-14 at 15:14 +0200, Grazvydas Ignotas wrote: > On Tue, Feb 14, 2012 at 2:35 PM, Tomi Valkeinen <tomi.valkeinen@xxxxxx> wrote: > > Hi, > > > > On Tue, 2012-02-07 at 02:13 +0200, Grazvydas Ignotas wrote: > >> Over time better gamma has been determined and tuned with some > >> equipment so update the defaults. From subjective point of view > >> dark shades should be better visible. > > > > Is there even need for default gamma? I'd guess the panel has a default > > gamma in its firmware, so it should work fine without setting it. And > > there's sysfs interface to set the gamma from userspace. > > > > And, as you said, it's subjective, i.e. there's no right value for it, > > so I'm a bit inclined to say that the driver shouldn't even set a > > default gamma, and just leave it to userspace. > > Well for pandora, we encourage people to run custom Linux distros on > the device, people reported running Debian, Arch and Slackware on the > device, so we don't have control over everyone's userspace. To reduce > the need for everyone to hack userspace of their distro of choice, it > would be great to have nice display just from the kernel, > out-of-the-box (this gamma has been tuned with some TV studio > equipment so is not totally subjective). Still if you don't want it, > we can keep carrying that in pandora's kernel tree too. Ok, fair enough. It's not a problem, just a few lines of code. But I don't want to get patches every now and that adjust the default gamma to whatever is subjectively best at that point of time =). Tomi
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