1 config LEDS_GPIO_REGISTER
4 This option provides the function gpio_led_register_device.
5 As this function is used by arch code it must not be compiled as a
11 Say Y to enable Linux LED support. This allows control of supported
12 LEDs from both userspace and optionally, by kernel events (triggers).
14 This is not related to standard keyboard LEDs which are controlled
20 bool "LED Class Support"
22 This option enables the led sysfs class in /sys/class/leds. You'll
23 need this to do anything useful with LEDs. If unsure, say N.
28 tristate "LED Support for Marvell 88PM860x PMIC"
30 depends on MFD_88PM860X
32 This option enables support for on-chip LED drivers found on Marvell
33 Semiconductor 88PM8606 PMIC.
36 tristate "LED Support using Atmel PWM outputs"
40 This option enables support for LEDs driven using outputs
41 of the dedicated PWM controller found on newer Atmel SOCs.
44 tristate "LCD Backlight driver for LM3530"
48 This option enables support for the LCD backlight using
49 LM3530 ambient light sensor chip. This ALS chip can be
50 controlled manually or using PWM input or using ambient
54 tristate "LED Support for Locomo device"
56 depends on SHARP_LOCOMO
58 This option enables support for the LEDs on Sharp Locomo.
59 Zaurus models SL-5500 and SL-5600.
61 config LEDS_MIKROTIK_RB532
62 tristate "LED Support for Mikrotik Routerboard 532"
64 depends on MIKROTIK_RB532
66 This option enables support for the so called "User LED" of
67 Mikrotik's Routerboard 532.
70 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
72 depends on ARCH_S3C2410
74 This option enables support for LEDs connected to GPIO lines
75 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
78 tristate "LED Support for the Amstrad Delta (E3)"
80 depends on MACH_AMS_DELTA
82 This option enables support for the LEDs on Amstrad Delta (E3).
85 tristate "LED Support for Soekris net48xx series Error LED"
87 depends on SCx200_GPIO
89 This option enables support for the Soekris net4801 and net4826 error
93 tristate "LED Support for Soekris net5501 series Error LED"
94 depends on LEDS_TRIGGERS
95 depends on X86 && LEDS_GPIO_PLATFORM && GPIO_CS5535
96 select LEDS_TRIGGER_DEFAULT_ON
99 Add support for the Soekris net5501 board (detection, error led
103 tristate "LED Support for the Freecom FSG-3"
104 depends on LEDS_CLASS
107 This option enables support for the LEDs on the Freecom FSG-3.
110 tristate "LED Support for the WRAP series LEDs"
111 depends on LEDS_CLASS
112 depends on SCx200_GPIO
114 This option enables support for the PCEngines WRAP programmable LEDs.
117 tristate "LED Support for ALIX.2 and ALIX.3 series"
118 depends on LEDS_CLASS
119 depends on X86 && !GPIO_CS5535 && !CS5535_GPIO
121 This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
122 You have to set leds-alix2.force=1 for boards with Award BIOS.
124 config LEDS_COBALT_QUBE
125 tristate "LED Support for the Cobalt Qube series front LED"
126 depends on LEDS_CLASS
127 depends on MIPS_COBALT
129 This option enables support for the front LED on Cobalt Qube series
131 config LEDS_COBALT_RAQ
132 bool "LED Support for the Cobalt Raq series"
133 depends on LEDS_CLASS=y && MIPS_COBALT
136 This option enables support for the Cobalt Raq series LEDs.
139 tristate "LED support for SunFire servers."
140 depends on LEDS_CLASS
144 This option enables support for the Left, Middle, and Right
145 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
148 tristate "LED Support for the HP Jornada 6xx"
149 depends on LEDS_CLASS
152 This option enables LED support for the handheld
153 HP Jornada 620/660/680/690.
156 tristate "LED driver for PCA9532 dimmer"
157 depends on LEDS_CLASS
158 depends on I2C && INPUT && EXPERIMENTAL
160 This option enables support for NXP pca9532
161 LED controller. It is generally only useful
164 config LEDS_PCA9532_GPIO
165 bool "Enable GPIO support for PCA9532"
166 depends on LEDS_PCA9532
169 Allow unused pins on PCA9532 to be used as gpio.
171 To use a pin as gpio pca9532_type in pca9532_platform data needs to
172 set to PCA9532_TYPE_GPIO.
175 tristate "LED Support for GPIO connected LEDs"
176 depends on LEDS_CLASS
177 depends on GENERIC_GPIO
179 This option enables support for the LEDs connected to GPIO
180 outputs. To be useful the particular board must have LEDs
181 and they must be connected to the GPIO lines. The LEDs must be
182 defined as platform devices and/or OpenFirmware platform devices.
183 The code to use these bindings can be selected below.
185 config LEDS_GPIO_PLATFORM
186 bool "Platform device bindings for GPIO LEDs"
190 Let the leds-gpio driver drive LEDs which have been defined as
191 platform devices. If you don't know what this means, say yes.
194 bool "OpenFirmware platform device bindings for GPIO LEDs"
195 depends on LEDS_GPIO && OF_DEVICE
198 Let the leds-gpio driver drive LEDs which have been defined as
199 of_platform devices. For instance, LEDs which are listed in a "dts"
202 config LEDS_NEWTON_PWM
203 bool "LED Support for newton pwm"
204 depends on LEDS_CLASS&&ARCH_RK29
207 Let the leds-gpio driver drive LEDs which have been defined as
208 platform devices. If you don't know what this means, say yes.
211 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
212 depends on LEDS_CLASS
215 This option enables support for LEDs connected to the National
216 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
219 To compile this driver as a module, choose M here: the
220 module will be called leds-lp3944.
223 tristate "LED Support for N.S. LP5521 LED driver chip"
224 depends on LEDS_CLASS && I2C
226 If you say yes here you get support for the National Semiconductor
227 LP5521 LED driver. It is 3 channel chip with programmable engines.
228 Driver provides direct control via LED class and interface for
229 programming the engines.
232 tristate "LED Support for N.S. LP5523 LED driver chip"
233 depends on LEDS_CLASS && I2C
235 If you say yes here you get support for the National Semiconductor
236 LP5523 LED driver. It is 9 channel chip with programmable engines.
237 Driver provides direct control via LED class and interface for
238 programming the engines.
240 config LEDS_CLEVO_MAIL
241 tristate "Mail LED on Clevo notebook"
242 depends on LEDS_CLASS
243 depends on X86 && SERIO_I8042 && DMI
245 This driver makes the mail LED accessible from userspace
246 programs through the leds subsystem. This LED have three
247 known mode: off, blink at 0.5Hz and blink at 1Hz.
249 The driver supports two kinds of interface: using ledtrig-timer
250 or through /sys/class/leds/clevo::mail/brightness. As this LED
251 cannot change it's brightness it blinks instead. The brightness
252 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
255 This module can drive the mail LED for the following notebooks:
260 Clevo D400V/D470V (not tested, but might work)
262 Clevo M5x0N (not tested, but might work)
263 Positivo Mobile (Clevo M5x0V)
265 If your model is not listed here you can try the "nodetect"
268 To compile this driver as a module, choose M here: the
269 module will be called leds-clevo-mail.
272 tristate "LED Support for PCA955x I2C chips"
273 depends on LEDS_CLASS
276 This option enables support for LEDs connected to PCA955x
277 LED driver chips accessed via the I2C bus. Supported
278 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
280 config LEDS_WM831X_STATUS
281 tristate "LED support for status LEDs on WM831x PMICs"
282 depends on LEDS_CLASS
283 depends on MFD_WM831X
285 This option enables support for the status LEDs of the WM831x
289 tristate "LED Support for WM8350 AudioPlus PMIC"
290 depends on LEDS_CLASS
291 depends on MFD_WM8350
293 This option enables support for LEDs driven by the Wolfson
294 Microelectronics WM8350 AudioPlus PMIC.
297 tristate "LED Support for DA9030/DA9034 PMIC"
298 depends on LEDS_CLASS
299 depends on PMIC_DA903X
301 This option enables support for on-chip LED drivers found
302 on Dialog Semiconductor DA9030/DA9034 PMICs.
304 config LEDS_DAC124S085
305 tristate "LED Support for DAC124S085 SPI DAC"
306 depends on LEDS_CLASS
309 This option enables support for DAC124S085 SPI DAC from NatSemi,
310 which can be used to control up to four LEDs.
313 tristate "PWM driven LED Support"
314 depends on LEDS_CLASS
317 This option enables support for pwm driven LEDs
319 config LEDS_REGULATOR
320 tristate "REGULATOR driven LED support"
321 depends on LEDS_CLASS
324 This option enables support for regulator driven LEDs.
327 tristate "LED driver for BD2802 RGB LED"
328 depends on LEDS_CLASS
331 This option enables support for BD2802GU RGB LED driver chips
332 accessed via the I2C bus.
335 tristate "LED driver for ATT1272 LED"
336 depends on LEDS_CLASS && I2C
338 This option enables support for ATT1272 LED driver chips
339 accessed via the I2C bus.
341 config LEDS_INTEL_SS4200
342 tristate "LED driver for Intel NAS SS4200 series"
343 depends on LEDS_CLASS
344 depends on PCI && DMI
346 This option enables support for the Intel SS4200 series of
347 Network Attached Storage servers. You may control the hard
348 drive or power LEDs on the front panel. Using this driver
349 can stop the front LED from blinking after startup.
352 tristate "LED driver for LT3593 controllers"
353 depends on LEDS_CLASS
354 depends on GENERIC_GPIO
356 This option enables support for LEDs driven by a Linear Technology
357 LT3593 controller. This controller uses a special one-wire pulse
358 coding protocol to set the brightness.
361 tristate "LED Support for ADP5520/ADP5501 PMIC"
362 depends on LEDS_CLASS
363 depends on PMIC_ADP5520
365 This option enables support for on-chip LED drivers found
366 on Analog Devices ADP5520/ADP5501 PMICs.
368 To compile this driver as a module, choose M here: the module will
369 be called leds-adp5520.
371 config LEDS_DELL_NETBOOKS
372 tristate "External LED on Dell Business Netbooks"
373 depends on LEDS_CLASS
374 depends on X86 && ACPI_WMI
376 This adds support for the Latitude 2100 and similar
377 notebooks that have an external LED.
380 tristate "LED Support for MC13783 PMIC"
381 depends on LEDS_CLASS
382 depends on MFD_MC13783
384 This option enable support for on-chip LED drivers found
385 on Freescale Semiconductor MC13783 PMIC.
388 tristate "LED support for Network Space v2 GPIO LEDs"
389 depends on LEDS_CLASS
390 depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || MACH_NETSPACE_MAX_V2 || D2NET_V2
393 This option enable support for the dual-GPIO LED found on the
394 Network Space v2 board (and parents). This include Internet Space v2,
395 Network Space (Max) v2 and d2 Network v2 boards.
398 tristate "LED support for Big Network series LEDs"
399 depends on MACH_NET2BIG_V2 || MACH_NET5BIG_V2
402 This option enable support for LEDs found on the LaCie 2Big
403 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
404 controlled through a GPIO extension bus.
407 bool "LED support for the HTC ASIC3"
408 depends on LEDS_CLASS
412 This option enables support for the LEDs on the HTC ASIC3. The HTC
413 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
414 cannot be used. This driver supports hardware blinking with an on+off
415 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
418 bool "LED Trigger support"
419 depends on LEDS_CLASS
421 This option enables trigger support for the leds class.
422 These triggers allow kernel events to drive the LEDs and can
423 be configured via sysfs. If unsure, say Y.
425 comment "LED Triggers"
427 config LEDS_TRIGGER_TIMER
428 tristate "LED Timer Trigger"
429 depends on LEDS_TRIGGERS
431 This allows LEDs to be controlled by a programmable timer
432 via sysfs. Some LED hardware can be programmed to start
433 blinking the LED without any further software interaction.
434 For more details read Documentation/leds-class.txt.
438 config LEDS_TRIGGER_IDE_DISK
439 bool "LED IDE Disk Trigger"
440 depends on IDE_GD_ATA
441 depends on LEDS_TRIGGERS
443 This allows LEDs to be controlled by IDE disk activity.
446 config LEDS_TRIGGER_HEARTBEAT
447 tristate "LED Heartbeat Trigger"
448 depends on LEDS_TRIGGERS
450 This allows LEDs to be controlled by a CPU load average.
451 The flash frequency is a hyperbolic function of the 1-minute
455 config LEDS_TRIGGER_BACKLIGHT
456 tristate "LED backlight Trigger"
457 depends on LEDS_TRIGGERS
459 This allows LEDs to be controlled as a backlight device: they
460 turn off and on when the display is blanked and unblanked.
464 config LEDS_TRIGGER_GPIO
465 tristate "LED GPIO Trigger"
466 depends on LEDS_TRIGGERS
469 This allows LEDs to be controlled by gpio events. It's good
470 when using gpios as switches and triggering the needed LEDs
471 from there. One use case is n810's keypad LEDs that could
472 be triggered by this trigger when user slides up to show
477 config LEDS_TRIGGER_DEFAULT_ON
478 tristate "LED Default ON Trigger"
479 depends on LEDS_TRIGGERS
481 This allows LEDs to be initialised in the ON state.
484 config LEDS_TRIGGER_SLEEP
485 tristate "LED Sleep Mode Trigger"
486 depends on LEDS_TRIGGERS && HAS_EARLYSUSPEND
488 This turns LEDs on when the screen is off but the cpu still running.
490 comment "iptables trigger is under Netfilter config (LED target)"
491 depends on LEDS_TRIGGERS