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Date: Fri, 23 Oct 2009 07:20:52 +0200 From: Pavel Machek <pavel@....cz> To: Richard Purdie <rpurdie@...ys.net> Cc: Eric Miao <eric.y.miao@...il.com>, Andrew Morton <akpm@...l.org>, lenz@...wisc.edu, kernel list <linux-kernel@...r.kernel.org>, Dirk@...er-online.de, arminlitzel@....de, Cyril Hrubis <metan@....cz>, thommycheck@...il.com, linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, dbaryshkov@...il.com, omegamoon@...il.com, utx@...guin.cz Subject: Re: spitz backlight: fix brightness limiting On Thu 2009-10-22 23:43:19, Richard Purdie wrote: > On Thu, 2009-10-22 at 04:20 +0800, Eric Miao wrote: > > It's a little bit weird it's called 'limit_mask' when I first converted it > > to a spi driver. There must be some reasons, Richard, you've got > > any ideas? > > Its a historical artifact that once worked through some bitfield magic > but probably stopped working when we increased the range of values the > backlight could accept and we didn't notice the limiting problem. > > I'll happily take a patch to fix that. Patch is available in the parent post. For now, I just fix it so that it does not turn backlight off when it should not. I'll submit limit_mask -> limit as separate patch, ok? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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