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 iPAQ H1940 device"
96 depends on LEDS_CLASS && ARCH_H1940
98 This option enables support for the LEDs on the h1940.
100 config LEDS_COBALT_QUBE
101 tristate "LED Support for the Cobalt Qube series front LED"
102 depends on LEDS_CLASS && MIPS_COBALT
104 This option enables support for the front LED on Cobalt Qube series
106 config LEDS_COBALT_RAQ
107 bool "LED Support for the Cobalt Raq series"
108 depends on LEDS_CLASS && MIPS_COBALT
111 This option enables support for the Cobalt Raq series LEDs.
114 tristate "LED support for SunFire servers."
115 depends on LEDS_CLASS && SPARC64
118 This option enables support for the Left, Middle, and Right
119 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
122 tristate "LED Support for the HP Jornada 6xx"
123 depends on LEDS_CLASS && SH_HP6XX
125 This option enables LED support for the handheld
126 HP Jornada 620/660/680/690.
129 tristate "LED driver for PCA9532 dimmer"
130 depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
132 This option enables support for NXP pca9532
133 LED controller. It is generally only useful
137 tristate "LED Support for GPIO connected LEDs"
138 depends on LEDS_CLASS && GENERIC_GPIO
140 This option enables support for the LEDs connected to GPIO
141 outputs. To be useful the particular board must have LEDs
142 and they must be connected to the GPIO lines. The LEDs must be
143 defined as platform devices and/or OpenFirmware platform devices.
144 The code to use these bindings can be selected below.
146 config LEDS_GPIO_PLATFORM
147 bool "Platform device bindings for GPIO LEDs"
151 Let the leds-gpio driver drive LEDs which have been defined as
152 platform devices. If you don't know what this means, say yes.
155 bool "OpenFirmware platform device bindings for GPIO LEDs"
156 depends on LEDS_GPIO && OF_DEVICE
159 Let the leds-gpio driver drive LEDs which have been defined as
160 of_platform devices. For instance, LEDs which are listed in a "dts"
164 tristate "LED Support for the LP5521 LEDs"
165 depends on LEDS_CLASS && I2C
167 If you say 'Y' here you get support for the National Semiconductor
168 LP5521 LED driver used in n8x0 boards.
170 This driver can be built as a module by choosing 'M'. The module
171 will be called leds-lp5521.
174 tristate "LED Support for the LP5521 LEDs"
175 depends on LEDS_CLASS && I2C
177 If you say 'Y' here you get support for the National Semiconductor
178 LP5521 LED driver used in n8x0 boards.
180 This driver can be built as a module by choosing 'M'. The module
181 will be called leds-lp5521.
183 config LEDS_CLEVO_MAIL
184 tristate "Mail LED on Clevo notebook"
185 depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI
187 This driver makes the mail LED accessible from userspace
188 programs through the leds subsystem. This LED have three
189 known mode: off, blink at 0.5Hz and blink at 1Hz.
191 The driver supports two kinds of interface: using ledtrig-timer
192 or through /sys/class/leds/clevo::mail/brightness. As this LED
193 cannot change it's brightness it blinks instead. The brightness
194 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
197 This module can drive the mail LED for the following notebooks:
202 Clevo D400V/D470V (not tested, but might work)
204 Clevo M5x0N (not tested, but might work)
205 Positivo Mobile (Clevo M5x0V)
207 If your model is not listed here you can try the "nodetect"
210 To compile this driver as a module, choose M here: the
211 module will be called leds-clevo-mail.
214 tristate "LED Support for PCA955x I2C chips"
215 depends on LEDS_CLASS && I2C
217 This option enables support for LEDs connected to PCA955x
218 LED driver chips accessed via the I2C bus. Supported
219 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
222 tristate "LED Support for DA9030/DA9034 PMIC"
223 depends on LEDS_CLASS && PMIC_DA903X
225 This option enables support for on-chip LED drivers found
226 on Dialog Semiconductor DA9030/DA9034 PMICs.
228 config LEDS_DAC124S085
229 tristate "LED Support for DAC124S085 SPI DAC"
230 depends on LEDS_CLASS && SPI
232 This option enables support for DAC124S085 SPI DAC from NatSemi,
233 which can be used to control up to four LEDs.
236 tristate "PWM driven LED Support"
237 depends on LEDS_CLASS && HAVE_PWM
239 This option enables support for pwm driven LEDs
242 tristate "LED driver for BD2802 RGB LED"
243 depends on LEDS_CLASS && I2C
245 This option enables support for BD2802GU RGB LED driver chips
246 accessed via the I2C bus.
248 comment "LED Triggers"
251 bool "LED Trigger support"
253 This option enables trigger support for the leds class.
254 These triggers allow kernel events to drive the LEDs and can
255 be configured via sysfs. If unsure, say Y.
257 config LEDS_TRIGGER_TIMER
258 tristate "LED Timer Trigger"
259 depends on LEDS_TRIGGERS
261 This allows LEDs to be controlled by a programmable timer
262 via sysfs. Some LED hardware can be programmed to start
263 blinking the LED without any further software interaction.
264 For more details read Documentation/leds-class.txt.
268 config LEDS_TRIGGER_IDE_DISK
269 bool "LED IDE Disk Trigger"
270 depends on LEDS_TRIGGERS && IDE_GD_ATA
272 This allows LEDs to be controlled by IDE disk activity.
275 config LEDS_TRIGGER_HEARTBEAT
276 tristate "LED Heartbeat Trigger"
277 depends on LEDS_TRIGGERS
279 This allows LEDs to be controlled by a CPU load average.
280 The flash frequency is a hyperbolic function of the 1-minute
284 config LEDS_TRIGGER_BACKLIGHT
285 tristate "LED backlight Trigger"
286 depends on LEDS_TRIGGERS
288 This allows LEDs to be controlled as a backlight device: they
289 turn off and on when the display is blanked and unblanked.
293 config LEDS_TRIGGER_GPIO
294 tristate "LED GPIO Trigger"
295 depends on LEDS_TRIGGERS
298 This allows LEDs to be controlled by gpio events. It's good
299 when using gpios as switches and triggering the needed LEDs
300 from there. One use case is n810's keypad LEDs that could
301 be triggered by this trigger when user slides up to show
306 config LEDS_TRIGGER_DEFAULT_ON
307 tristate "LED Default ON Trigger"
308 depends on LEDS_TRIGGERS
310 This allows LEDs to be initialised in the ON state.
313 comment "iptables trigger is under Netfilter config (LED target)"
314 depends on LEDS_TRIGGERS