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authorMárton Németh <nm127@freemail.hu>2007-10-31 17:07:12 +0300
committerRichard Purdie <rpurdie@rpsys.net>2008-02-07 12:49:38 +0300
commit4c79141d28bc290ae307e3f81f5bc909c26faf6e (patch)
tree9c6dc51c441dfc1c84cc27ece43087515c06967c /drivers/leds/Kconfig
parent6c152beefbf90579d21afc4f7e075b1f801f9a75 (diff)
downloadlinux-4c79141d28bc290ae307e3f81f5bc909c26faf6e.tar.xz
leds: Add support for hardware accelerated LED flashing
Extends the leds subsystem with a blink_set() callback function which can be optionally implemented by a LED driver. If implemented, the driver can use the hardware acceleration for blinking a LED. Signed-off-by: Márton Németh <nm127@freemail.hu> Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Diffstat (limited to 'drivers/leds/Kconfig')
-rw-r--r--drivers/leds/Kconfig6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index cf3a6d4d9475..659448ead685 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -152,7 +152,11 @@ config LEDS_TRIGGER_TIMER
depends on LEDS_TRIGGERS
help
This allows LEDs to be controlled by a programmable timer
- via sysfs. If unsure, say Y.
+ via sysfs. Some LED hardware can be programmed to start
+ blinking the LED without any further software interaction.
+ For more details read Documentation/leds-class.txt.
+
+ If unsure, say Y.
config LEDS_TRIGGER_IDE_DISK
bool "LED IDE Disk Trigger"