[PATCH] LED: Add IDE disk activity LED trigger

Add an LED trigger for IDE disk activity to the ide-disk driver.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/leds.h b/include/linux/leds.h
index 404575c3dd5a..4617e75903b0 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -100,4 +100,12 @@ extern void led_trigger_event(struct led_trigger *trigger,
 #define led_trigger_event(x, y) do {} while(0)
 
 #endif
+
+/* Trigger specific functions */
+#ifdef CONFIG_LEDS_TRIGGER_IDE_DISK
+extern void ledtrig_ide_activity(void);
+#else
+#define ledtrig_ide_activity() do {} while(0)
+#endif
+
 #endif          /* __LINUX_LEDS_H_INCLUDED */