4 Say Y to enable Linux LED support. This allows control of supported
5 LEDs from both userspace and optionally, by kernel events (triggers).
7 This is not related to standard keyboard LEDs which are controlled
13 tristate "LED Class Support"
15 This option enables the led sysfs class in /sys/class/leds. You'll
16 need this to do anything useful with LEDs. If unsure, say N.
21 tristate "LED Support using Atmel PWM outputs"
22 depends on LEDS_CLASS && ATMEL_PWM
24 This option enables support for LEDs driven using outputs
25 of the dedicated PWM controller found on newer Atmel SOCs.
28 tristate "LED Support for Locomo device"
29 depends on LEDS_CLASS && SHARP_LOCOMO
31 This option enables support for the LEDs on Sharp Locomo.
32 Zaurus models SL-5500 and SL-5600.
35 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
36 depends on LEDS_CLASS && ARCH_S3C2410
38 This option enables support for LEDs connected to GPIO lines
39 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
42 tristate "LED Support for the Amstrad Delta (E3)"
43 depends on LEDS_CLASS && MACH_AMS_DELTA
45 This option enables support for the LEDs on Amstrad Delta (E3).
48 tristate "LED Support for Soekris net48xx series Error LED"
49 depends on LEDS_CLASS && SCx200_GPIO
51 This option enables support for the Soekris net4801 and net4826 error
55 tristate "LED Support for the Freecom FSG-3"
56 depends on LEDS_CLASS && MACH_FSG
58 This option enables support for the LEDs on the Freecom FSG-3.
61 tristate "LED Support for the WRAP series LEDs"
62 depends on LEDS_CLASS && SCx200_GPIO
64 This option enables support for the PCEngines WRAP programmable LEDs.
67 tristate "LED Support for iPAQ H1940 device"
68 depends on LEDS_CLASS && ARCH_H1940
70 This option enables support for the LEDs on the h1940.
72 config LEDS_COBALT_QUBE
73 tristate "LED Support for the Cobalt Qube series front LED"
74 depends on LEDS_CLASS && MIPS_COBALT
76 This option enables support for the front LED on Cobalt Qube series
78 config LEDS_COBALT_RAQ
79 bool "LED Support for the Cobalt Raq series"
80 depends on LEDS_CLASS && MIPS_COBALT
83 This option enables support for the Cobalt Raq series LEDs.
86 tristate "LED support for SunFire servers."
87 depends on LEDS_CLASS && SPARC64
90 This option enables support for the Left, Middle, and Right
91 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
94 tristate "LED Support for the HP Jornada 6xx"
95 depends on LEDS_CLASS && SH_HP6XX
97 This option enables led support for the handheld
98 HP Jornada 620/660/680/690.
101 tristate "LED driver for PCA9532 dimmer"
102 depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
104 This option enables support for NXP pca9532
105 led controller. It is generally only usefull
109 tristate "LED Support for GPIO connected LEDs"
110 depends on LEDS_CLASS && GENERIC_GPIO
112 This option enables support for the LEDs connected to GPIO
113 outputs. To be useful the particular board must have LEDs
114 and they must be connected to the GPIO lines.
117 tristate "LED Support for disk protection LED on HP notebooks"
118 depends on LEDS_CLASS && ACPI
120 This option enable support for disk protection LED, found on
123 config LEDS_CLEVO_MAIL
124 tristate "Mail LED on Clevo notebook (EXPERIMENTAL)"
125 depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI && EXPERIMENTAL
127 This driver makes the mail LED accessible from userspace
128 programs through the leds subsystem. This LED have three
129 known mode: off, blink at 0.5Hz and blink at 1Hz.
131 The driver supports two kinds of interface: using ledtrig-timer
132 or through /sys/class/leds/clevo::mail/brightness. As this LED
133 cannot change it's brightness it blinks instead. The brightness
134 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
137 This module can drive the mail LED for the following notebooks:
142 Clevo D400V/D470V (not tested, but might work)
144 Clevo M5x0N (not tested, but might work)
145 Positivo Mobile (Clevo M5x0V)
147 If your model is not listed here you can try the "nodetect"
150 To compile this driver as a module, choose M here: the
151 module will be called leds-clevo-mail.
154 tristate "LED Support for PCA955x I2C chips"
155 depends on LEDS_CLASS && I2C
157 This option enables support for LEDs connected to PCA955x
158 LED driver chips accessed via the I2C bus. Supported
159 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
162 tristate "LED Support for DA9030/DA9034 PMIC"
163 depends on LEDS_CLASS && PMIC_DA903X
165 This option enables support for on-chip LED drivers found
166 on Dialog Semiconductor DA9030/DA9034 PMICs.
168 comment "LED Triggers"
171 bool "LED Trigger support"
173 This option enables trigger support for the leds class.
174 These triggers allow kernel events to drive the LEDs and can
175 be configured via sysfs. If unsure, say Y.
177 config LEDS_TRIGGER_TIMER
178 tristate "LED Timer Trigger"
179 depends on LEDS_TRIGGERS
181 This allows LEDs to be controlled by a programmable timer
182 via sysfs. Some LED hardware can be programmed to start
183 blinking the LED without any further software interaction.
184 For more details read Documentation/leds-class.txt.
188 config LEDS_TRIGGER_IDE_DISK
189 bool "LED IDE Disk Trigger"
190 depends on LEDS_TRIGGERS && BLK_DEV_IDEDISK
192 This allows LEDs to be controlled by IDE disk activity.
195 config LEDS_TRIGGER_HEARTBEAT
196 tristate "LED Heartbeat Trigger"
197 depends on LEDS_TRIGGERS
199 This allows LEDs to be controlled by a CPU load average.
200 The flash frequency is a hyperbolic function of the 1-minute
204 config LEDS_TRIGGER_BACKLIGHT
205 tristate "LED backlight Trigger"
206 depends on LEDS_TRIGGERS
208 This allows LEDs to be controlled as a backlight device: they
209 turn off and on when the display is blanked and unblanked.
213 config LEDS_TRIGGER_DEFAULT_ON
214 tristate "LED Default ON Trigger"
215 depends on LEDS_TRIGGERS
217 This allows LEDs to be initialised in the ON state.