From: p.zabel@pengutronix.de (Philipp Zabel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: imx6qdl: Adjust the brightness setting for LVDS panel
Date: Tue, 27 Jan 2015 16:21:57 +0100 [thread overview]
Message-ID: <1422372117.3751.58.camel@pengutronix.de> (raw)
In-Reply-To: <BLUPR03MB4059C6493E55DB26E8308E9F8350@BLUPR03MB405.namprd03.prod.outlook.com>
Am Montag, den 26.01.2015, 14:44 +0000 schrieb Robby.Cai at freescale.com:
> > I notice that the intervals are changed from exponential to linear.
> > Is this really wanted here?
> > I expect that the new settings result in huge steps in perceived
> > brightness at low levels and a nearly imperceptible change at the last
> > step.
> >
> > regards
> > Philipp
>
>
> No particular reason here. I understand your concern but seems there's no obvious rule.
> How about add some interpolation, such as <0 52 64 96 128 160 192 224 255>
> or even more, <0 52 64 80 96 112 128 144 160 176 192 208 224 240 255>
I just wanted to point out the possible issue. Maybe somebody with the
actual panel could sit down and experiment and come up with some
visually pleasing steps.
regards
Philipp
prev parent reply other threads:[~2015-01-27 15:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1421749355-23050-1-git-send-email-r63905@freescale.com>
2015-01-20 11:38 ` [PATCH] ARM: dts: imx6qdl: Adjust the brightness setting for LVDS panel Shawn Guo
2015-01-22 15:38 ` Philipp Zabel
2015-01-26 14:44 ` Robby.Cai at freescale.com
2015-01-27 15:21 ` Philipp Zabel [this message]
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