leds: hw acceleration for Clevo mail LED driver

[linux-2.6-omap-h63xx.git] / drivers / leds / Kconfig

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index cf3a6d4d947567297d5d999684b2faa27a311419..922c3df548a54916837cb3e765ec4478e39a4732 100644 (file)
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -122,9 +122,11 @@ config LEDS_CLEVO_MAIL
          programs through the leds subsystem. This LED have three
          known mode: off, blink at 0.5Hz and blink at 1Hz.
 
-         As this LED cannot change it's brightness it blinks instead.
-         The brightness value 0 means off, 1..127 means blink at 0.5Hz
-         and 128..255 means blink at 1Hz.
+         The driver supports two kinds of interface: using ledtrig-timer
+         or through /sys/class/leds/clevo::mail/brightness. As this LED
+         cannot change it's brightness it blinks instead. The brightness
+         value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
+         blink at 1Hz.
 
          This module can drive the mail LED for the following notebooks:
 
@@ -152,7 +154,11 @@ 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"