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authorMichael Hanselmann <linux-kernel@hansmi.ch>2006-07-10 07:44:45 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-10 16:24:20 -0400
commite01af0384f54023b4548b7742952da2ffcafd4cd (patch)
tree6ffd14821a0a1fedbf4430c5df7fa60822f4809f /drivers/video/backlight
parent58d383a6222d66be9483598c51bae34e7d3c2c37 (diff)
[PATCH] powermac: Combined fixes for backlight code
This patch fixes several problems: - pmac_backlight_key() is called under interrupt context, and therefore can't use mutexes or semaphores, so defer the backlight level for later, as it's not critical (original code by Aristeu S. Rozanski F. <aris@valeta.org>). - Add exports for functions that might be called from modules - Fix Kconfig depdencies on PMAC_BACKLIGHT. - Fix locking issues on calls from inside the driver (reported by Aristeu S. Rozanski F., too) - Fix wrong calculation of backlight values in some of the drivers - Replace pmac_backlight_key_up/down by inline functions [akpm@osdl.org: fix function prototypes] Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch> Acked-by: Aristeu S. Rozanski F. <aris@valeta.org> Acked-by: Rene Nussbaumer <linux-kernel@killerfox.forkbomb.ch> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/video/backlight')
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