From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Fri, 29 May 2015 21:56:29 +0200 Subject: [PATCH] fix n900 dts file to work around 4.1 touchscreen regression on n900 In-Reply-To: <20150529194955.GV2026@saruman.tx.rr.com> References: <201505241444.41039@pali> <20150527132545.GA23434@amd> <20150527133311.GJ30798@pali> <20150527143722.GA28108@amd> <20150527145837.GA13223@earth> <20150529190816.GA20232@amd> <20150529192505.GA28987@amd> <20150529193211.GA7599@amd> <20150529194955.GV2026@saruman.tx.rr.com> Message-ID: <20150529195629.GA9811@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri 2015-05-29 14:49:55, Felipe Balbi wrote: > Hi, > > On Fri, May 29, 2015 at 09:32:11PM +0200, Pavel Machek wrote: > > Fix dts to match what the Linux kernel expects. This works around > > touchscreen problems in 4.1 linux on Nokia n900. > > > > Signed-off-by: Pavel Machek > > > > diff --git a/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt > > index 4b641c7..09089a6 100644 > > --- a/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt > > +++ b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt > > @@ -32,8 +32,8 @@ Example: > > touchscreen-fuzz-x = <4>; > > touchscreen-fuzz-y = <7>; > > touchscreen-fuzz-pressure = <2>; > > - touchscreen-max-x = <4096>; > > - touchscreen-max-y = <4096>; > > + touchscreen-size-x = <4096>; > > + touchscreen-size-y = <4096>; > > IMHO, the older binding needs to be supported as well. It's fine to > update the DTS for the new binding, but even Documentation says > touchscreen-max-[xy] and if the driver changed that, the driver should > be fixed too. Besides, it seems like this has been in tree since > v3.16: Agreed. In parent email, I have list of two commits that should be reverted. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html