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.
35 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
36 depends on LEDS_CLASS && ARCH_S3C2410
38 This option enables support for LEDs connected to GPIO lines
39 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
42 tristate "LED Support for the Amstrad Delta (E3)"
43 depends on LEDS_CLASS && MACH_AMS_DELTA
45 This option enables support for the LEDs on Amstrad Delta (E3).
48 tristate "LED Support for Soekris net48xx series Error LED"
49 depends on LEDS_CLASS && SCx200_GPIO
51 This option enables support for the Soekris net4801 and net4826 error
55 tristate "LED Support for the Freecom FSG-3"
56 depends on LEDS_CLASS && MACH_FSG
58 This option enables support for the LEDs on the Freecom FSG-3.
61 tristate "LED Support for the WRAP series LEDs"
62 depends on LEDS_CLASS && SCx200_GPIO
64 This option enables support for the PCEngines WRAP programmable LEDs.
67 tristate "LED Support for iPAQ H1940 device"
68 depends on LEDS_CLASS && ARCH_H1940
70 This option enables support for the LEDs on the h1940.
72 config LEDS_COBALT_QUBE
73 tristate "LED Support for the Cobalt Qube series front LED"
74 depends on LEDS_CLASS && MIPS_COBALT
76 This option enables support for the front LED on Cobalt Qube series
78 config LEDS_COBALT_RAQ
79 bool "LED Support for the Cobalt Raq series"
80 depends on LEDS_CLASS && MIPS_COBALT
83 This option enables support for the Cobalt Raq series LEDs.
86 tristate "LED support for SunFire servers."
87 depends on LEDS_CLASS && SPARC64
90 This option enables support for the Left, Middle, and Right
91 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
94 tristate "LED Support for the HP Jornada 6xx"
95 depends on LEDS_CLASS && SH_HP6XX
97 This option enables led support for the handheld
98 HP Jornada 620/660/680/690.
101 tristate "LED driver for PCA9532 dimmer"
102 depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
104 This option enables support for NXP pca9532
105 led controller. It is generally only usefull
109 tristate "LED Support for GPIO connected LEDs"
110 depends on LEDS_CLASS && GENERIC_GPIO
112 This option enables support for the LEDs connected to GPIO
113 outputs. To be useful the particular board must have LEDs
114 and they must be connected to the GPIO lines.
116 config LEDS_CLEVO_MAIL
117 tristate "Mail LED on Clevo notebook (EXPERIMENTAL)"
118 depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI && EXPERIMENTAL
120 This driver makes the mail LED accessible from userspace
121 programs through the leds subsystem. This LED have three
122 known mode: off, blink at 0.5Hz and blink at 1Hz.
124 The driver supports two kinds of interface: using ledtrig-timer
125 or through /sys/class/leds/clevo::mail/brightness. As this LED
126 cannot change it's brightness it blinks instead. The brightness
127 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
130 This module can drive the mail LED for the following notebooks:
135 Clevo D400V/D470V (not tested, but might work)
137 Clevo M5x0N (not tested, but might work)
138 Positivo Mobile (Clevo M5x0V)
140 If your model is not listed here you can try the "nodetect"
143 To compile this driver as a module, choose M here: the
144 module will be called leds-clevo-mail.
147 tristate "LED Support for PCA955x I2C chips"
148 depends on LEDS_CLASS && I2C
150 This option enables support for LEDs connected to PCA955x
151 LED driver chips accessed via the I2C bus. Supported
152 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
155 tristate "LED Support for DA9030/DA9034 PMIC"
156 depends on LEDS_CLASS && PMIC_DA903X
158 This option enables support for on-chip LED drivers found
159 on Dialog Semiconductor DA9030/DA9034 PMICs.
161 comment "LED Triggers"
164 bool "LED Trigger support"
166 This option enables trigger support for the leds class.
167 These triggers allow kernel events to drive the LEDs and can
168 be configured via sysfs. If unsure, say Y.
170 config LEDS_TRIGGER_TIMER
171 tristate "LED Timer Trigger"
172 depends on LEDS_TRIGGERS
174 This allows LEDs to be controlled by a programmable timer
175 via sysfs. Some LED hardware can be programmed to start
176 blinking the LED without any further software interaction.
177 For more details read Documentation/leds-class.txt.
181 config LEDS_TRIGGER_IDE_DISK
182 bool "LED IDE Disk Trigger"
183 depends on LEDS_TRIGGERS && BLK_DEV_IDEDISK
185 This allows LEDs to be controlled by IDE disk activity.
188 config LEDS_TRIGGER_HEARTBEAT
189 tristate "LED Heartbeat Trigger"
190 depends on LEDS_TRIGGERS
192 This allows LEDs to be controlled by a CPU load average.
193 The flash frequency is a hyperbolic function of the 1-minute
197 config LEDS_TRIGGER_BACKLIGHT
198 tristate "LED backlight Trigger"
199 depends on LEDS_TRIGGERS
201 This allows LEDs to be controlled as a backlight device: they
202 turn off and on when the display is blanked and unblanked.
206 config LEDS_TRIGGER_DEFAULT_ON
207 tristate "LED Default ON Trigger"
208 depends on LEDS_TRIGGERS
210 This allows LEDs to be initialised in the ON state.