leds: Add support for hardware accelerated LED flashing

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

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 80acd08f0e97bd3b9cf940e5a25ccb2d31fce312..659448ead6858b718b711759ffebb9a10839a41d 100644 (file)
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -1,8 +1,6 @@
-
-menu "LED devices"
-
-config NEW_LEDS
+menuconfig NEW_LEDS
        bool "LED Support"
+       depends on HAS_IOMEM
        help
          Say Y to enable Linux LED support.  This allows control of supported
          LEDs from both userspace and optionally, by kernel events (triggers).
@@ -10,9 +8,10 @@ config NEW_LEDS
          This is not related to standard keyboard LEDs which are controlled
          via the input system.
 
+if NEW_LEDS
+
 config LEDS_CLASS
        tristate "LED Class Support"
-       depends on NEW_LEDS
        help
          This option enables the led sysfs class in /sys/class/leds.  You'll
          need this to do anything useful with LEDs.  If unsure, say N.
@@ -84,21 +83,65 @@ config LEDS_WRAP
 
 config LEDS_H1940
        tristate "LED Support for iPAQ H1940 device"
-       depends LEDS_CLASS && ARCH_H1940
+       depends on LEDS_CLASS && ARCH_H1940
        help
          This option enables support for the LEDs on the h1940.
 
-config LEDS_COBALT
-       tristate "LED Support for Cobalt Server front LED"
+config LEDS_COBALT_QUBE
+       tristate "LED Support for the Cobalt Qube series front LED"
+       depends on LEDS_CLASS && MIPS_COBALT
+       help
+         This option enables support for the front LED on Cobalt Qube series
+
+config LEDS_COBALT_RAQ
+       bool "LED Support for the Cobalt Raq series"
        depends on LEDS_CLASS && MIPS_COBALT
+       select LEDS_TRIGGERS
+       help
+         This option enables support for the Cobalt Raq series LEDs.
+
+config LEDS_GPIO
+       tristate "LED Support for GPIO connected LEDs"
+       depends on LEDS_CLASS && GENERIC_GPIO
+       help
+         This option enables support for the LEDs connected to GPIO
+         outputs. To be useful the particular board must have LEDs
+         and they must be connected to the GPIO lines.
+
+config LEDS_CM_X270
+       tristate "LED Support for the CM-X270 LEDs"
+       depends on LEDS_CLASS && MACH_ARMCORE
+       help
+         This option enables support for the CM-X270 LEDs.
+
+config LEDS_CLEVO_MAIL
+       tristate "Mail LED on Clevo notebook (EXPERIMENTAL)"
+       depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI && EXPERIMENTAL
        help
-         This option enables support for the front LED on Cobalt Server
+         This driver makes the mail LED accessible from userspace
+         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.
+
+         This module can drive the mail LED for the following notebooks:
+
+               Clevo D410J
+               Clevo D410V
+               Clevo D400V/D470V (not tested, but might work)
+               Clevo M540N
+               Clevo M5x0N (not tested, but might work)
+               Positivo Mobile (Clevo M5x0V)
+
+         To compile this driver as a module, choose M here: the
+         module will be called leds-clevo-mail.
 
 comment "LED Triggers"
 
 config LEDS_TRIGGERS
        bool "LED Trigger support"
-       depends on NEW_LEDS
        help
          This option enables trigger support for the leds class.
          These triggers allow kernel events to drive the LEDs and can
@@ -109,7 +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"
@@ -127,5 +174,4 @@ config LEDS_TRIGGER_HEARTBEAT
          load average.
          If unsure, say Y.
 
-endmenu
-
+endif # NEW_LEDS