[PATCH] powermac: More powermac backlight fixes
This patch fixes several problems:
- The legacy backlight value might be set at interrupt time. Introduced
a worker to prevent it from directly calling the backlight code.
- via-pmu allows the backlight to be grabbed, in which case we need to
prevent other kernel code from changing the brightness.
- Don't send PMU requests in via-pmu-backlight when the machine is about
to sleep or waking up.
- More Kconfig fixes.
Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-powerpc/backlight.h b/include/asm-powerpc/backlight.h
index 58d4b6f..8cf5c37 100644
--- a/include/asm-powerpc/backlight.h
+++ b/include/asm-powerpc/backlight.h
@@ -30,8 +30,12 @@
pmac_backlight_key(1);
}
+extern void pmac_backlight_set_legacy_brightness_pmu(int brightness);
extern int pmac_backlight_set_legacy_brightness(int brightness);
extern int pmac_backlight_get_legacy_brightness(void);
+extern void pmac_backlight_enable(void);
+extern void pmac_backlight_disable(void);
+
#endif /* __KERNEL__ */
#endif