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
142 tristate "LED Support for GPIO connected LEDs"
143 depends on GENERIC_GPIO
145 This option enables support for the LEDs connected to GPIO
146 outputs. To be useful the particular board must have LEDs
147 and they must be connected to the GPIO lines. The LEDs must be
148 defined as platform devices and/or OpenFirmware platform devices.
149 The code to use these bindings can be selected below.
151 config LEDS_GPIO_PLATFORM
152 bool "Platform device bindings for GPIO LEDs"
156 Let the leds-gpio driver drive LEDs which have been defined as
157 platform devices. If you don't know what this means, say yes.
160 bool "OpenFirmware platform device bindings for GPIO LEDs"
161 depends on LEDS_GPIO && OF_DEVICE
164 Let the leds-gpio driver drive LEDs which have been defined as
165 of_platform devices. For instance, LEDs which are listed in a "dts"
169 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
172 This option enables support for LEDs connected to the National
173 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
176 To compile this driver as a module, choose M here: the
177 module will be called leds-lp3944.
179 config LEDS_CLEVO_MAIL
180 tristate "Mail LED on Clevo notebook"
181 depends on X86 && SERIO_I8042 && DMI
183 This driver makes the mail LED accessible from userspace
184 programs through the leds subsystem. This LED have three
185 known mode: off, blink at 0.5Hz and blink at 1Hz.
187 The driver supports two kinds of interface: using ledtrig-timer
188 or through /sys/class/leds/clevo::mail/brightness. As this LED
189 cannot change it's brightness it blinks instead. The brightness
190 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
193 This module can drive the mail LED for the following notebooks:
198 Clevo D400V/D470V (not tested, but might work)
200 Clevo M5x0N (not tested, but might work)
201 Positivo Mobile (Clevo M5x0V)
203 If your model is not listed here you can try the "nodetect"
206 To compile this driver as a module, choose M here: the
207 module will be called leds-clevo-mail.
210 tristate "LED Support for PCA955x I2C chips"
213 This option enables support for LEDs connected to PCA955x
214 LED driver chips accessed via the I2C bus. Supported
215 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
217 config LEDS_WM831X_STATUS
218 tristate "LED support for status LEDs on WM831x PMICs"
219 depends on MFD_WM831X
221 This option enables support for the status LEDs of the WM831x
225 tristate "LED Support for WM8350 AudioPlus PMIC"
226 depends on MFD_WM8350
228 This option enables support for LEDs driven by the Wolfson
229 Microelectronics WM8350 AudioPlus PMIC.
232 tristate "LED Support for DA9030/DA9034 PMIC"
233 depends on PMIC_DA903X
235 This option enables support for on-chip LED drivers found
236 on Dialog Semiconductor DA9030/DA9034 PMICs.
238 config LEDS_DAC124S085
239 tristate "LED Support for DAC124S085 SPI DAC"
242 This option enables support for DAC124S085 SPI DAC from NatSemi,
243 which can be used to control up to four LEDs.
246 tristate "PWM driven LED Support"
249 This option enables support for pwm driven LEDs
251 config LEDS_REGULATOR
252 tristate "REGULATOR driven LED support"
255 This option enables support for regulator driven LEDs.
258 tristate "LED driver for BD2802 RGB LED"
261 This option enables support for BD2802GU RGB LED driver chips
262 accessed via the I2C bus.
264 config LEDS_INTEL_SS4200
265 tristate "LED driver for Intel NAS SS4200 series"
266 depends on PCI && DMI
268 This option enables support for the Intel SS4200 series of
269 Network Attached Storage servers. You may control the hard
270 drive or power LEDs on the front panel. Using this driver
271 can stop the front LED from blinking after startup.
274 tristate "LED driver for LT3593 controllers"
275 depends on GENERIC_GPIO
277 This option enables support for LEDs driven by a Linear Technology
278 LT3593 controller. This controller uses a special one-wire pulse
279 coding protocol to set the brightness.
282 tristate "LED Support for ADP5520/ADP5501 PMIC"
283 depends on PMIC_ADP5520
285 This option enables support for on-chip LED drivers found
286 on Analog Devices ADP5520/ADP5501 PMICs.
288 To compile this driver as a module, choose M here: the module will
289 be called leds-adp5520.
291 config LEDS_DELL_NETBOOKS
292 tristate "External LED on Dell Business Netbooks"
293 depends on X86 && ACPI_WMI
295 This adds support for the Latitude 2100 and similar
296 notebooks that have an external LED.
299 tristate "LED Support for MC13783 PMIC"
300 depends on MFD_MC13783
302 This option enable support for on-chip LED drivers found
303 on Freescale Semiconductor MC13783 PMIC.
306 bool "LED Trigger support"
308 This option enables trigger support for the leds class.
309 These triggers allow kernel events to drive the LEDs and can
310 be configured via sysfs. If unsure, say Y.
314 comment "LED Triggers"
316 config LEDS_TRIGGER_TIMER
317 tristate "LED Timer Trigger"
319 This allows LEDs to be controlled by a programmable timer
320 via sysfs. Some LED hardware can be programmed to start
321 blinking the LED without any further software interaction.
322 For more details read Documentation/leds-class.txt.
326 config LEDS_TRIGGER_IDE_DISK
327 bool "LED IDE Disk Trigger"
328 depends on IDE_GD_ATA
330 This allows LEDs to be controlled by IDE disk activity.
333 config LEDS_TRIGGER_HEARTBEAT
334 tristate "LED Heartbeat Trigger"
336 This allows LEDs to be controlled by a CPU load average.
337 The flash frequency is a hyperbolic function of the 1-minute
341 config LEDS_TRIGGER_BACKLIGHT
342 tristate "LED backlight Trigger"
344 This allows LEDs to be controlled as a backlight device: they
345 turn off and on when the display is blanked and unblanked.
349 config LEDS_TRIGGER_GPIO
350 tristate "LED GPIO Trigger"
353 This allows LEDs to be controlled by gpio events. It's good
354 when using gpios as switches and triggering the needed LEDs
355 from there. One use case is n810's keypad LEDs that could
356 be triggered by this trigger when user slides up to show
361 config LEDS_TRIGGER_DEFAULT_ON
362 tristate "LED Default ON Trigger"
364 This allows LEDs to be initialised in the ON state.
367 comment "iptables trigger is under Netfilter config (LED target)"
368 depends on LEDS_TRIGGERS
370 endif # LEDS_TRIGGERS