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.
78 You have to set leds-alix2.force=1 for boards with Award BIOS.
81 tristate "LED Support for iPAQ H1940 device"
82 depends on LEDS_CLASS && ARCH_H1940
84 This option enables support for the LEDs on the h1940.
86 config LEDS_COBALT_QUBE
87 tristate "LED Support for the Cobalt Qube series front LED"
88 depends on LEDS_CLASS && MIPS_COBALT
90 This option enables support for the front LED on Cobalt Qube series
92 config LEDS_COBALT_RAQ
93 bool "LED Support for the Cobalt Raq series"
94 depends on LEDS_CLASS=y && MIPS_COBALT
97 This option enables support for the Cobalt Raq series LEDs.
100 tristate "LED support for SunFire servers."
101 depends on LEDS_CLASS && SPARC64
104 This option enables support for the Left, Middle, and Right
105 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
108 tristate "LED Support for the HP Jornada 6xx"
109 depends on LEDS_CLASS && SH_HP6XX
111 This option enables LED support for the handheld
112 HP Jornada 620/660/680/690.
115 tristate "LED driver for PCA9532 dimmer"
116 depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
118 This option enables support for NXP pca9532
119 LED controller. It is generally only useful
123 tristate "LED Support for GPIO connected LEDs"
124 depends on LEDS_CLASS && GENERIC_GPIO
126 This option enables support for the LEDs connected to GPIO
127 outputs. To be useful the particular board must have LEDs
128 and they must be connected to the GPIO lines. The LEDs must be
129 defined as platform devices and/or OpenFirmware platform devices.
130 The code to use these bindings can be selected below.
132 config LEDS_GPIO_PLATFORM
133 bool "Platform device bindings for GPIO LEDs"
137 Let the leds-gpio driver drive LEDs which have been defined as
138 platform devices. If you don't know what this means, say yes.
141 bool "OpenFirmware platform device bindings for GPIO LEDs"
142 depends on LEDS_GPIO && OF_DEVICE
145 Let the leds-gpio driver drive LEDs which have been defined as
146 of_platform devices. For instance, LEDs which are listed in a "dts"
150 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
151 depends on LEDS_CLASS && I2C
153 This option enables support for LEDs connected to the National
154 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
157 To compile this driver as a module, choose M here: the
158 module will be called leds-lp3944.
160 config LEDS_CLEVO_MAIL
161 tristate "Mail LED on Clevo notebook"
162 depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI
164 This driver makes the mail LED accessible from userspace
165 programs through the leds subsystem. This LED have three
166 known mode: off, blink at 0.5Hz and blink at 1Hz.
168 The driver supports two kinds of interface: using ledtrig-timer
169 or through /sys/class/leds/clevo::mail/brightness. As this LED
170 cannot change it's brightness it blinks instead. The brightness
171 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
174 This module can drive the mail LED for the following notebooks:
179 Clevo D400V/D470V (not tested, but might work)
181 Clevo M5x0N (not tested, but might work)
182 Positivo Mobile (Clevo M5x0V)
184 If your model is not listed here you can try the "nodetect"
187 To compile this driver as a module, choose M here: the
188 module will be called leds-clevo-mail.
191 tristate "LED Support for PCA955x I2C chips"
192 depends on LEDS_CLASS && I2C
194 This option enables support for LEDs connected to PCA955x
195 LED driver chips accessed via the I2C bus. Supported
196 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
199 tristate "LED Support for WM8350 AudioPlus PMIC"
200 depends on LEDS_CLASS && MFD_WM8350
202 This option enables support for LEDs driven by the Wolfson
203 Microelectronics WM8350 AudioPlus PMIC.
206 tristate "LED Support for DA9030/DA9034 PMIC"
207 depends on LEDS_CLASS && PMIC_DA903X
209 This option enables support for on-chip LED drivers found
210 on Dialog Semiconductor DA9030/DA9034 PMICs.
212 config LEDS_DAC124S085
213 tristate "LED Support for DAC124S085 SPI DAC"
214 depends on LEDS_CLASS && SPI
216 This option enables support for DAC124S085 SPI DAC from NatSemi,
217 which can be used to control up to four LEDs.
220 tristate "PWM driven LED Support"
221 depends on LEDS_CLASS && HAVE_PWM
223 This option enables support for pwm driven LEDs
226 tristate "LED driver for BD2802 RGB LED"
227 depends on LEDS_CLASS && I2C
229 This option enables support for BD2802GU RGB LED driver chips
230 accessed via the I2C bus.
232 comment "LED Triggers"
235 bool "LED Trigger support"
237 This option enables trigger support for the leds class.
238 These triggers allow kernel events to drive the LEDs and can
239 be configured via sysfs. If unsure, say Y.
241 config LEDS_TRIGGER_TIMER
242 tristate "LED Timer Trigger"
243 depends on LEDS_TRIGGERS
245 This allows LEDs to be controlled by a programmable timer
246 via sysfs. Some LED hardware can be programmed to start
247 blinking the LED without any further software interaction.
248 For more details read Documentation/leds-class.txt.
252 config LEDS_TRIGGER_IDE_DISK
253 bool "LED IDE Disk Trigger"
254 depends on LEDS_TRIGGERS && IDE_GD_ATA
256 This allows LEDs to be controlled by IDE disk activity.
259 config LEDS_TRIGGER_HEARTBEAT
260 tristate "LED Heartbeat Trigger"
261 depends on LEDS_TRIGGERS
263 This allows LEDs to be controlled by a CPU load average.
264 The flash frequency is a hyperbolic function of the 1-minute
268 config LEDS_TRIGGER_BACKLIGHT
269 tristate "LED backlight Trigger"
270 depends on LEDS_TRIGGERS
272 This allows LEDs to be controlled as a backlight device: they
273 turn off and on when the display is blanked and unblanked.
277 config LEDS_TRIGGER_GPIO
278 tristate "LED GPIO Trigger"
279 depends on LEDS_TRIGGERS
282 This allows LEDs to be controlled by gpio events. It's good
283 when using gpios as switches and triggering the needed LEDs
284 from there. One use case is n810's keypad LEDs that could
285 be triggered by this trigger when user slides up to show
290 config LEDS_TRIGGER_DEFAULT_ON
291 tristate "LED Default ON Trigger"
292 depends on LEDS_TRIGGERS
294 This allows LEDs to be initialised in the ON state.
297 comment "iptables trigger is under Netfilter config (LED target)"
298 depends on LEDS_TRIGGERS