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Message-ID: <20091019213751.GC1482@ucw.cz> Date: Mon, 19 Oct 2009 23:37:52 +0200 From: Pavel Machek <pavel@....cz> To: rpurdie@...ys.net, Andrew Morton <akpm@...l.org> Cc: 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, eric.y.miao@...il.com, utx@...guin.cz Subject: spitz backlight: fix brightness limiting On spitz (& similar) machines, if battery is running low, backlight needs to be limited to lower step. Unfortunately, current code uses &= for limiting, turning backlight off completely for some backlight settings. Fix that. Signed-off-by: Pavel Machek <pavel@....cz> --- linux-rc/drivers/video/backlight/corgi_lcd.c 2009-10-18 18:11:36.000000000 +0200 +++ linux-rc/drivers/video/backlight/corgi_lcd.c 2009-10-16 02:10:13.000000000 +0200 @@ -433,8 +434,9 @@ if (corgibl_flags & CORGIBL_SUSPENDED) intensity = 0; - if (corgibl_flags & CORGIBL_BATTLOW) - intensity &= lcd->limit_mask; + + if ((corgibl_flags & CORGIBL_BATTLOW) && intensity > lcd->limit_mask) + intensity = lcd->limit_mask; return corgi_bl_set_intensity(lcd, intensity); } -- (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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