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.
23 tristate "LED Support for Marvell 88PM860x PMIC"
24 depends on MFD_88PM860X
26 This option enables support for on-chip LED drivers found on Marvell
27 Semiconductor 88PM8606 PMIC.
30 tristate "LED Support using Atmel PWM outputs"
33 This option enables support for LEDs driven using outputs
34 of the dedicated PWM controller found on newer Atmel SOCs.
37 tristate "LED Support for Locomo device"
38 depends on SHARP_LOCOMO
40 This option enables support for the LEDs on Sharp Locomo.
41 Zaurus models SL-5500 and SL-5600.
43 config LEDS_MIKROTIK_RB532
44 tristate "LED Support for Mikrotik Routerboard 532"
45 depends on MIKROTIK_RB532
47 This option enables support for the so called "User LED" of
48 Mikrotik's Routerboard 532.
51 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
52 depends on ARCH_S3C2410
54 This option enables support for LEDs connected to GPIO lines
55 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
58 tristate "LED Support for the Amstrad Delta (E3)"
59 depends on MACH_AMS_DELTA
61 This option enables support for the LEDs on Amstrad Delta (E3).
64 tristate "LED Support for Soekris net48xx series Error LED"
65 depends on SCx200_GPIO
67 This option enables support for the Soekris net4801 and net4826 error
71 tristate "LED Support for Soekris net5501 series Error LED"
72 depends on LEDS_TRIGGERS
73 depends on X86 && LEDS_GPIO_PLATFORM && GPIO_CS5535
74 select LEDS_TRIGGER_DEFAULT_ON
77 Add support for the Soekris net5501 board (detection, error led
81 tristate "LED Support for the Freecom FSG-3"
84 This option enables support for the LEDs on the Freecom FSG-3.
87 tristate "LED Support for the WRAP series LEDs"
88 depends on SCx200_GPIO
90 This option enables support for the PCEngines WRAP programmable LEDs.
93 tristate "LED Support for ALIX.2 and ALIX.3 series"
94 depends on X86 && !GPIO_CS5535 && !CS5535_GPIO
96 This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
97 You have to set leds-alix2.force=1 for boards with Award BIOS.
100 tristate "LED Support for iPAQ H1940 device"
101 depends on ARCH_H1940
103 This option enables support for the LEDs on the h1940.
105 config LEDS_COBALT_QUBE
106 tristate "LED Support for the Cobalt Qube series front LED"
107 depends on MIPS_COBALT
109 This option enables support for the front LED on Cobalt Qube series
111 config LEDS_COBALT_RAQ
112 bool "LED Support for the Cobalt Raq series"
113 depends on LEDS_CLASS=y && MIPS_COBALT
116 This option enables support for the Cobalt Raq series LEDs.
119 tristate "LED support for SunFire servers."
123 This option enables support for the Left, Middle, and Right
124 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
127 tristate "LED Support for the HP Jornada 6xx"
130 This option enables LED support for the handheld
131 HP Jornada 620/660/680/690.
134 tristate "LED driver for PCA9532 dimmer"
135 depends on I2C && INPUT && EXPERIMENTAL
137 This option enables support for NXP pca9532
138 LED controller. It is generally only useful
141 config LEDS_AUO_PANEL
142 tristate "Support for AUO display backlight driver"
143 depends on LEDS_CLASS
145 This option enables support for AUO display backlight driver
148 tristate "LED Support for Display LEDS connected to CPCAP"
149 depends on LEDS_CLASS && MFD_CPCAP
151 This option enables support for display LEDs connected to CPCAP
154 tristate "LED support for the LP8550"
155 depends on LEDS_CLASS && I2C
157 This option enables support for the LP8550 LED driver
160 tristate "LED support for the LM3559"
161 depends on LEDS_CLASS && I2C
163 This option enables support for the LM3559 LED driver
166 tristate "LED Support for GPIO connected LEDs"
167 depends on GENERIC_GPIO
169 This option enables support for the LEDs connected to GPIO
170 outputs. To be useful the particular board must have LEDs
171 and they must be connected to the GPIO lines. The LEDs must be
172 defined as platform devices and/or OpenFirmware platform devices.
173 The code to use these bindings can be selected below.
175 config LEDS_GPIO_PLATFORM
176 bool "Platform device bindings for GPIO LEDs"
180 Let the leds-gpio driver drive LEDs which have been defined as
181 platform devices. If you don't know what this means, say yes.
184 bool "OpenFirmware platform device bindings for GPIO LEDs"
185 depends on LEDS_GPIO && OF_DEVICE
188 Let the leds-gpio driver drive LEDs which have been defined as
189 of_platform devices. For instance, LEDs which are listed in a "dts"
193 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
196 This option enables support for LEDs connected to the National
197 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
200 To compile this driver as a module, choose M here: the
201 module will be called leds-lp3944.
203 config LEDS_CLEVO_MAIL
204 tristate "Mail LED on Clevo notebook"
205 depends on X86 && SERIO_I8042 && DMI
207 This driver makes the mail LED accessible from userspace
208 programs through the leds subsystem. This LED have three
209 known mode: off, blink at 0.5Hz and blink at 1Hz.
211 The driver supports two kinds of interface: using ledtrig-timer
212 or through /sys/class/leds/clevo::mail/brightness. As this LED
213 cannot change it's brightness it blinks instead. The brightness
214 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
217 This module can drive the mail LED for the following notebooks:
222 Clevo D400V/D470V (not tested, but might work)
224 Clevo M5x0N (not tested, but might work)
225 Positivo Mobile (Clevo M5x0V)
227 If your model is not listed here you can try the "nodetect"
230 To compile this driver as a module, choose M here: the
231 module will be called leds-clevo-mail.
234 tristate "LED Support for PCA955x I2C chips"
237 This option enables support for LEDs connected to PCA955x
238 LED driver chips accessed via the I2C bus. Supported
239 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
241 config LEDS_WM831X_STATUS
242 tristate "LED support for status LEDs on WM831x PMICs"
243 depends on MFD_WM831X
245 This option enables support for the status LEDs of the WM831x
249 tristate "LED Support for WM8350 AudioPlus PMIC"
250 depends on MFD_WM8350
252 This option enables support for LEDs driven by the Wolfson
253 Microelectronics WM8350 AudioPlus PMIC.
256 tristate "LED Support for DA9030/DA9034 PMIC"
257 depends on PMIC_DA903X
259 This option enables support for on-chip LED drivers found
260 on Dialog Semiconductor DA9030/DA9034 PMICs.
262 config LEDS_DAC124S085
263 tristate "LED Support for DAC124S085 SPI DAC"
266 This option enables support for DAC124S085 SPI DAC from NatSemi,
267 which can be used to control up to four LEDs.
270 tristate "PWM driven LED Support"
273 This option enables support for pwm driven LEDs
275 config LEDS_REGULATOR
276 tristate "REGULATOR driven LED support"
279 This option enables support for regulator driven LEDs.
282 tristate "LED driver for BD2802 RGB LED"
285 This option enables support for BD2802GU RGB LED driver chips
286 accessed via the I2C bus.
288 config LEDS_INTEL_SS4200
289 tristate "LED driver for Intel NAS SS4200 series"
290 depends on PCI && DMI
292 This option enables support for the Intel SS4200 series of
293 Network Attached Storage servers. You may control the hard
294 drive or power LEDs on the front panel. Using this driver
295 can stop the front LED from blinking after startup.
298 tristate "LED driver for LT3593 controllers"
299 depends on GENERIC_GPIO
301 This option enables support for LEDs driven by a Linear Technology
302 LT3593 controller. This controller uses a special one-wire pulse
303 coding protocol to set the brightness.
306 tristate "LED Support for ADP5520/ADP5501 PMIC"
307 depends on PMIC_ADP5520
309 This option enables support for on-chip LED drivers found
310 on Analog Devices ADP5520/ADP5501 PMICs.
312 To compile this driver as a module, choose M here: the module will
313 be called leds-adp5520.
315 config LEDS_DELL_NETBOOKS
316 tristate "External LED on Dell Business Netbooks"
317 depends on X86 && ACPI_WMI
319 This adds support for the Latitude 2100 and similar
320 notebooks that have an external LED.
323 tristate "LED Support for MC13783 PMIC"
324 depends on MFD_MC13783
326 This option enable support for on-chip LED drivers found
327 on Freescale Semiconductor MC13783 PMIC.
330 tristate "LED support for Network Space v2 GPIO LEDs"
331 depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || MACH_NETSPACE_MAX_V2
334 This option enable support for the dual-GPIO LED found on the
335 Network Space v2 board (and parents). This include Internet Space v2,
336 Network Space (Max) v2 and d2 Network v2 boards.
339 bool "LED Trigger support"
341 This option enables trigger support for the leds class.
342 These triggers allow kernel events to drive the LEDs and can
343 be configured via sysfs. If unsure, say Y.
347 comment "LED Triggers"
349 config LEDS_TRIGGER_TIMER
350 tristate "LED Timer Trigger"
352 This allows LEDs to be controlled by a programmable timer
353 via sysfs. Some LED hardware can be programmed to start
354 blinking the LED without any further software interaction.
355 For more details read Documentation/leds-class.txt.
359 config LEDS_TRIGGER_IDE_DISK
360 bool "LED IDE Disk Trigger"
361 depends on IDE_GD_ATA
363 This allows LEDs to be controlled by IDE disk activity.
366 config LEDS_TRIGGER_HEARTBEAT
367 tristate "LED Heartbeat Trigger"
369 This allows LEDs to be controlled by a CPU load average.
370 The flash frequency is a hyperbolic function of the 1-minute
374 config LEDS_TRIGGER_BACKLIGHT
375 tristate "LED backlight Trigger"
377 This allows LEDs to be controlled as a backlight device: they
378 turn off and on when the display is blanked and unblanked.
382 config LEDS_TRIGGER_GPIO
383 tristate "LED GPIO Trigger"
386 This allows LEDs to be controlled by gpio events. It's good
387 when using gpios as switches and triggering the needed LEDs
388 from there. One use case is n810's keypad LEDs that could
389 be triggered by this trigger when user slides up to show
394 config LEDS_TRIGGER_DEFAULT_ON
395 tristate "LED Default ON Trigger"
397 This allows LEDs to be initialised in the ON state.
400 config LEDS_TRIGGER_SLEEP
401 tristate "LED Sleep Mode Trigger"
402 depends on LEDS_TRIGGERS && HAS_EARLYSUSPEND
404 This turns LEDs on when the screen is off but the cpu still running.
406 comment "iptables trigger is under Netfilter config (LED target)"
407 depends on LEDS_TRIGGERS
409 endif # LEDS_TRIGGERS