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.
74 tristate "LED Support for ALIX.2 and ALIX.3 series"
75 depends on LEDS_CLASS && X86 && EXPERIMENTAL
77 This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
80 tristate "LED Support for iPAQ H1940 device"
81 depends on LEDS_CLASS && ARCH_H1940
83 This option enables support for the LEDs on the h1940.
85 config LEDS_COBALT_QUBE
86 tristate "LED Support for the Cobalt Qube series front LED"
87 depends on LEDS_CLASS && MIPS_COBALT
89 This option enables support for the front LED on Cobalt Qube series
91 config LEDS_COBALT_RAQ
92 bool "LED Support for the Cobalt Raq series"
93 depends on LEDS_CLASS=y && MIPS_COBALT
96 This option enables support for the Cobalt Raq series LEDs.
99 tristate "LED support for SunFire servers."
100 depends on LEDS_CLASS && SPARC64
103 This option enables support for the Left, Middle, and Right
104 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
107 tristate "LED Support for the HP Jornada 6xx"
108 depends on LEDS_CLASS && SH_HP6XX
110 This option enables LED support for the handheld
111 HP Jornada 620/660/680/690.
114 tristate "LED driver for PCA9532 dimmer"
115 depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
117 This option enables support for NXP pca9532
118 LED controller. It is generally only useful
122 tristate "LED Support for GPIO connected LEDs"
123 depends on LEDS_CLASS && GENERIC_GPIO
125 This option enables support for the LEDs connected to GPIO
126 outputs. To be useful the particular board must have LEDs
127 and they must be connected to the GPIO lines. The LEDs must be
128 defined as platform devices and/or OpenFirmware platform devices.
129 The code to use these bindings can be selected below.
131 config LEDS_GPIO_PLATFORM
132 bool "Platform device bindings for GPIO LEDs"
136 Let the leds-gpio driver drive LEDs which have been defined as
137 platform devices. If you don't know what this means, say yes.
140 bool "OpenFirmware platform device bindings for GPIO LEDs"
141 depends on LEDS_GPIO && OF_DEVICE
144 Let the leds-gpio driver drive LEDs which have been defined as
145 of_platform devices. For instance, LEDs which are listed in a "dts"
149 tristate "LED Support for the LP5521 LEDs"
150 depends on LEDS_CLASS && I2C
152 If you say 'Y' here you get support for the National Semiconductor
153 LP5521 LED driver used in n8x0 boards.
155 This driver can be built as a module by choosing 'M'. The module
156 will be called leds-lp5521.
158 config LEDS_CLEVO_MAIL
159 tristate "Mail LED on Clevo notebook"
160 depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI
162 This driver makes the mail LED accessible from userspace
163 programs through the leds subsystem. This LED have three
164 known mode: off, blink at 0.5Hz and blink at 1Hz.
166 The driver supports two kinds of interface: using ledtrig-timer
167 or through /sys/class/leds/clevo::mail/brightness. As this LED
168 cannot change it's brightness it blinks instead. The brightness
169 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
172 This module can drive the mail LED for the following notebooks:
177 Clevo D400V/D470V (not tested, but might work)
179 Clevo M5x0N (not tested, but might work)
180 Positivo Mobile (Clevo M5x0V)
182 If your model is not listed here you can try the "nodetect"
185 To compile this driver as a module, choose M here: the
186 module will be called leds-clevo-mail.
189 tristate "LED Support for PCA955x I2C chips"
190 depends on LEDS_CLASS && I2C
192 This option enables support for LEDs connected to PCA955x
193 LED driver chips accessed via the I2C bus. Supported
194 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
197 tristate "LED Support for WM8350 AudioPlus PMIC"
198 depends on LEDS_CLASS && MFD_WM8350
200 This option enables support for LEDs driven by the Wolfson
201 Microelectronics WM8350 AudioPlus PMIC.
204 tristate "LED Support for DA9030/DA9034 PMIC"
205 depends on LEDS_CLASS && PMIC_DA903X
207 This option enables support for on-chip LED drivers found
208 on Dialog Semiconductor DA9030/DA9034 PMICs.
210 config LEDS_DAC124S085
211 tristate "LED Support for DAC124S085 SPI DAC"
212 depends on LEDS_CLASS && SPI
214 This option enables support for DAC124S085 SPI DAC from NatSemi,
215 which can be used to control up to four LEDs.
218 tristate "PWM driven LED Support"
219 depends on LEDS_CLASS && HAVE_PWM
221 This option enables support for pwm driven LEDs
224 tristate "LED driver for BD2802 RGB LED"
225 depends on LEDS_CLASS && I2C
227 This option enables support for BD2802GU RGB LED driver chips
228 accessed via the I2C bus.
230 comment "LED Triggers"
233 bool "LED Trigger support"
235 This option enables trigger support for the leds class.
236 These triggers allow kernel events to drive the LEDs and can
237 be configured via sysfs. If unsure, say Y.
239 config LEDS_TRIGGER_TIMER
240 tristate "LED Timer Trigger"
241 depends on LEDS_TRIGGERS
243 This allows LEDs to be controlled by a programmable timer
244 via sysfs. Some LED hardware can be programmed to start
245 blinking the LED without any further software interaction.
246 For more details read Documentation/leds-class.txt.
250 config LEDS_TRIGGER_IDE_DISK
251 bool "LED IDE Disk Trigger"
252 depends on LEDS_TRIGGERS && IDE_GD_ATA
254 This allows LEDs to be controlled by IDE disk activity.
257 config LEDS_TRIGGER_HEARTBEAT
258 tristate "LED Heartbeat Trigger"
259 depends on LEDS_TRIGGERS
261 This allows LEDs to be controlled by a CPU load average.
262 The flash frequency is a hyperbolic function of the 1-minute
266 config LEDS_TRIGGER_BACKLIGHT
267 tristate "LED backlight Trigger"
268 depends on LEDS_TRIGGERS
270 This allows LEDs to be controlled as a backlight device: they
271 turn off and on when the display is blanked and unblanked.
275 config LEDS_TRIGGER_GPIO
276 tristate "LED GPIO Trigger"
277 depends on LEDS_TRIGGERS
280 This allows LEDs to be controlled by gpio events. It's good
281 when using gpios as switches and triggering the needed LEDs
282 from there. One use case is n810's keypad LEDs that could
283 be triggered by this trigger when user slides up to show
288 config LEDS_TRIGGER_DEFAULT_ON
289 tristate "LED Default ON Trigger"
290 depends on LEDS_TRIGGERS
292 This allows LEDs to be initialised in the ON state.
295 comment "iptables trigger is under Netfilter config (LED target)"
296 depends on LEDS_TRIGGERS