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.
34 config LEDS_MIKROTIK_RB532
35 tristate "LED Support for Mikrotik Routerboard 532"
36 depends on LEDS_CLASS && MIKROTIK_RB532
38 This option enables support for the so called "User LED" of
39 Mikrotik's Routerboard 532.
42 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
43 depends on LEDS_CLASS && ARCH_S3C2410
45 This option enables support for LEDs connected to GPIO lines
46 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
49 tristate "LED Support for the Amstrad Delta (E3)"
50 depends on LEDS_CLASS && MACH_AMS_DELTA
52 This option enables support for the LEDs on Amstrad Delta (E3).
55 tristate "LED Support for Soekris net48xx series Error LED"
56 depends on LEDS_CLASS && SCx200_GPIO
58 This option enables support for the Soekris net4801 and net4826 error
62 tristate "LED Support for the Freecom FSG-3"
63 depends on LEDS_CLASS && MACH_FSG
65 This option enables support for the LEDs on the Freecom FSG-3.
68 tristate "LED Support for the WRAP series LEDs"
69 depends on LEDS_CLASS && SCx200_GPIO
71 This option enables support for the PCEngines WRAP programmable LEDs.
73 config LEDS_OMAP_DEBUG
74 boolean "LED Support for OMAP debug board LEDs"
75 depends on LEDS_CLASS=y && ARCH_OMAP
77 Enables support for the LEDs on the debug board used with OMAP
78 reference boards like H2/H3/H4 and Perseus2. Up to six of these
79 may be claimed by the original ARM debug LED API.
82 tristate "LED Support for OMAP GPIO LEDs"
83 depends on LEDS_CLASS && ARCH_OMAP
85 This option enables support for the LEDs on OMAP processors.
88 tristate "LED Support for OMAP PWM-controlled LEDs"
89 depends on LEDS_CLASS && ARCH_OMAP && OMAP_DM_TIMER
91 This options enables support for LEDs connected to GPIO lines
92 controlled by a PWM timer on OMAP CPUs.
95 tristate "LED Support for ALIX.2 and ALIX.3 series"
96 depends on LEDS_CLASS && X86 && EXPERIMENTAL
98 This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
99 You have to set leds-alix2.force=1 for boards with Award BIOS.
102 tristate "LED Support for iPAQ H1940 device"
103 depends on LEDS_CLASS && ARCH_H1940
105 This option enables support for the LEDs on the h1940.
107 config LEDS_COBALT_QUBE
108 tristate "LED Support for the Cobalt Qube series front LED"
109 depends on LEDS_CLASS && MIPS_COBALT
111 This option enables support for the front LED on Cobalt Qube series
113 config LEDS_COBALT_RAQ
114 bool "LED Support for the Cobalt Raq series"
115 depends on LEDS_CLASS=y && MIPS_COBALT
118 This option enables support for the Cobalt Raq series LEDs.
121 tristate "LED support for SunFire servers."
122 depends on LEDS_CLASS && SPARC64
125 This option enables support for the Left, Middle, and Right
126 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
129 tristate "LED Support for the HP Jornada 6xx"
130 depends on LEDS_CLASS && SH_HP6XX
132 This option enables LED support for the handheld
133 HP Jornada 620/660/680/690.
136 tristate "LED driver for PCA9532 dimmer"
137 depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
139 This option enables support for NXP pca9532
140 LED controller. It is generally only useful
144 tristate "LED Support for GPIO connected LEDs"
145 depends on LEDS_CLASS && GENERIC_GPIO
147 This option enables support for the LEDs connected to GPIO
148 outputs. To be useful the particular board must have LEDs
149 and they must be connected to the GPIO lines. The LEDs must be
150 defined as platform devices and/or OpenFirmware platform devices.
151 The code to use these bindings can be selected below.
153 config LEDS_GPIO_PLATFORM
154 bool "Platform device bindings for GPIO LEDs"
158 Let the leds-gpio driver drive LEDs which have been defined as
159 platform devices. If you don't know what this means, say yes.
162 bool "OpenFirmware platform device bindings for GPIO LEDs"
163 depends on LEDS_GPIO && OF_DEVICE
166 Let the leds-gpio driver drive LEDs which have been defined as
167 of_platform devices. For instance, LEDs which are listed in a "dts"
171 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
172 depends on LEDS_CLASS && I2C
174 This option enables support for LEDs connected to the National
175 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
178 To compile this driver as a module, choose M here: the
179 module will be called leds-lp3944.
181 config LEDS_CLEVO_MAIL
182 tristate "Mail LED on Clevo notebook"
183 depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI
185 This driver makes the mail LED accessible from userspace
186 programs through the leds subsystem. This LED have three
187 known mode: off, blink at 0.5Hz and blink at 1Hz.
189 The driver supports two kinds of interface: using ledtrig-timer
190 or through /sys/class/leds/clevo::mail/brightness. As this LED
191 cannot change it's brightness it blinks instead. The brightness
192 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
195 This module can drive the mail LED for the following notebooks:
200 Clevo D400V/D470V (not tested, but might work)
202 Clevo M5x0N (not tested, but might work)
203 Positivo Mobile (Clevo M5x0V)
205 If your model is not listed here you can try the "nodetect"
208 To compile this driver as a module, choose M here: the
209 module will be called leds-clevo-mail.
212 tristate "LED Support for PCA955x I2C chips"
213 depends on LEDS_CLASS && I2C
215 This option enables support for LEDs connected to PCA955x
216 LED driver chips accessed via the I2C bus. Supported
217 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
220 tristate "LED Support for WM8350 AudioPlus PMIC"
221 depends on LEDS_CLASS && MFD_WM8350
223 This option enables support for LEDs driven by the Wolfson
224 Microelectronics WM8350 AudioPlus PMIC.
227 tristate "LED Support for DA9030/DA9034 PMIC"
228 depends on LEDS_CLASS && PMIC_DA903X
230 This option enables support for on-chip LED drivers found
231 on Dialog Semiconductor DA9030/DA9034 PMICs.
233 config LEDS_DAC124S085
234 tristate "LED Support for DAC124S085 SPI DAC"
235 depends on LEDS_CLASS && SPI
237 This option enables support for DAC124S085 SPI DAC from NatSemi,
238 which can be used to control up to four LEDs.
241 tristate "PWM driven LED Support"
242 depends on LEDS_CLASS && HAVE_PWM
244 This option enables support for pwm driven LEDs
247 tristate "LED driver for BD2802 RGB LED"
248 depends on LEDS_CLASS && I2C
250 This option enables support for BD2802GU RGB LED driver chips
251 accessed via the I2C bus.
253 comment "LED Triggers"
256 bool "LED Trigger support"
258 This option enables trigger support for the leds class.
259 These triggers allow kernel events to drive the LEDs and can
260 be configured via sysfs. If unsure, say Y.
262 config LEDS_TRIGGER_TIMER
263 tristate "LED Timer Trigger"
264 depends on LEDS_TRIGGERS
266 This allows LEDs to be controlled by a programmable timer
267 via sysfs. Some LED hardware can be programmed to start
268 blinking the LED without any further software interaction.
269 For more details read Documentation/leds-class.txt.
273 config LEDS_TRIGGER_IDE_DISK
274 bool "LED IDE Disk Trigger"
275 depends on LEDS_TRIGGERS && IDE_GD_ATA
277 This allows LEDs to be controlled by IDE disk activity.
280 config LEDS_TRIGGER_HEARTBEAT
281 tristate "LED Heartbeat Trigger"
282 depends on LEDS_TRIGGERS
284 This allows LEDs to be controlled by a CPU load average.
285 The flash frequency is a hyperbolic function of the 1-minute
289 config LEDS_TRIGGER_BACKLIGHT
290 tristate "LED backlight Trigger"
291 depends on LEDS_TRIGGERS
293 This allows LEDs to be controlled as a backlight device: they
294 turn off and on when the display is blanked and unblanked.
298 config LEDS_TRIGGER_GPIO
299 tristate "LED GPIO Trigger"
300 depends on LEDS_TRIGGERS
303 This allows LEDs to be controlled by gpio events. It's good
304 when using gpios as switches and triggering the needed LEDs
305 from there. One use case is n810's keypad LEDs that could
306 be triggered by this trigger when user slides up to show
311 config LEDS_TRIGGER_DEFAULT_ON
312 tristate "LED Default ON Trigger"
313 depends on LEDS_TRIGGERS
315 This allows LEDs to be initialised in the ON state.
318 comment "iptables trigger is under Netfilter config (LED target)"
319 depends on LEDS_TRIGGERS