drivers/leds/Kconfig

   1 menuconfig NEW_LEDS
   2         bool "LED Support"
   3         help
   4           Say Y to enable Linux LED support.  This allows control of supported
   5           LEDs from both userspace and optionally, by kernel events (triggers).
   6
   7           This is not related to standard keyboard LEDs which are controlled
   8           via the input system.
   9
  10 if NEW_LEDS
  11
  12 config LEDS_CLASS
  13         tristate "LED Class Support"
  14         help
  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.
  17
  18 comment "LED drivers"
  19
  20 config LEDS_ATMEL_PWM
  21         tristate "LED Support using Atmel PWM outputs"
  22         depends on LEDS_CLASS && ATMEL_PWM
  23         help
  24           This option enables support for LEDs driven using outputs
  25           of the dedicated PWM controller found on newer Atmel SOCs.
  26
  27 config LEDS_LOCOMO
  28         tristate "LED Support for Locomo device"
  29         depends on LEDS_CLASS && SHARP_LOCOMO
  30         help
  31           This option enables support for the LEDs on Sharp Locomo.
  32           Zaurus models SL-5500 and SL-5600.
  33
  34 config LEDS_MIKROTIK_RB532
  35         tristate "LED Support for Mikrotik Routerboard 532"
  36         depends on LEDS_CLASS && MIKROTIK_RB532
  37         help
  38           This option enables support for the so called "User LED" of
  39           Mikrotik's Routerboard 532.
  40
  41 config LEDS_S3C24XX
  42         tristate "LED Support for Samsung S3C24XX GPIO LEDs"
  43         depends on LEDS_CLASS && ARCH_S3C2410
  44         help
  45           This option enables support for LEDs connected to GPIO lines
  46           on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
  47
  48 config LEDS_AMS_DELTA
  49         tristate "LED Support for the Amstrad Delta (E3)"
  50         depends on LEDS_CLASS && MACH_AMS_DELTA
  51         help
  52           This option enables support for the LEDs on Amstrad Delta (E3).
  53
  54 config LEDS_NET48XX
  55         tristate "LED Support for Soekris net48xx series Error LED"
  56         depends on LEDS_CLASS && SCx200_GPIO
  57         help
  58           This option enables support for the Soekris net4801 and net4826 error
  59           LED.
  60
  61 config LEDS_FSG
  62         tristate "LED Support for the Freecom FSG-3"
  63         depends on LEDS_CLASS && MACH_FSG
  64         help
  65           This option enables support for the LEDs on the Freecom FSG-3.
  66
  67 config LEDS_WRAP
  68         tristate "LED Support for the WRAP series LEDs"
  69         depends on LEDS_CLASS && SCx200_GPIO
  70         help
  71           This option enables support for the PCEngines WRAP programmable LEDs.
  72
  73 config LEDS_ALIX2
  74         tristate "LED Support for ALIX.2 and ALIX.3 series"
  75         depends on LEDS_CLASS && X86 && EXPERIMENTAL
  76         help
  77           This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
  78
  79 config LEDS_H1940
  80         tristate "LED Support for iPAQ H1940 device"
  81         depends on LEDS_CLASS && ARCH_H1940
  82         help
  83           This option enables support for the LEDs on the h1940.
  84
  85 config LEDS_COBALT_QUBE
  86         tristate "LED Support for the Cobalt Qube series front LED"
  87         depends on LEDS_CLASS && MIPS_COBALT
  88         help
  89           This option enables support for the front LED on Cobalt Qube series
  90
  91 config LEDS_COBALT_RAQ
  92         bool "LED Support for the Cobalt Raq series"
  93         depends on LEDS_CLASS=y && MIPS_COBALT
  94         select LEDS_TRIGGERS
  95         help
  96           This option enables support for the Cobalt Raq series LEDs.
  97
  98 config LEDS_SUNFIRE
  99         tristate "LED support for SunFire servers."
 100         depends on LEDS_CLASS && SPARC64
 101         select LEDS_TRIGGERS
 102         help
 103           This option enables support for the Left, Middle, and Right
 104           LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
 105
 106 config LEDS_HP6XX
 107         tristate "LED Support for the HP Jornada 6xx"
 108         depends on LEDS_CLASS && SH_HP6XX
 109         help
 110           This option enables LED support for the handheld
 111           HP Jornada 620/660/680/690.
 112
 113 config LEDS_PCA9532
 114         tristate "LED driver for PCA9532 dimmer"
 115         depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
 116         help
 117           This option enables support for NXP pca9532
 118           LED controller. It is generally only useful
 119           as a platform driver
 120
 121 config LEDS_GPIO
 122         tristate "LED Support for GPIO connected LEDs"
 123         depends on LEDS_CLASS && GENERIC_GPIO
 124         help
 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.
 130
 131 config LEDS_GPIO_PLATFORM
 132         bool "Platform device bindings for GPIO LEDs"
 133         depends on LEDS_GPIO
 134         default y
 135         help
 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.
 138
 139 config LEDS_GPIO_OF
 140         bool "OpenFirmware platform device bindings for GPIO LEDs"
 141         depends on LEDS_GPIO && OF_DEVICE
 142         default y
 143         help
 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"
 146           file.
 147
 148 config LEDS_LP5521
 149         tristate "LED Support for the LP5521 LEDs"
 150         depends on LEDS_CLASS && I2C
 151         help
 152           If you say 'Y' here you get support for the National Semiconductor
 153           LP5521 LED driver used in n8x0 boards.
 154
 155           This driver can be built as a module by choosing 'M'. The module
 156           will be called leds-lp5521.
 157
 158 config LEDS_CLEVO_MAIL
 159         tristate "Mail LED on Clevo notebook"
 160         depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI
 161         help
 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.
 165
 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
 170           blink at 1Hz.
 171
 172           This module can drive the mail LED for the following notebooks:
 173
 174                 Clevo D400P
 175                 Clevo D410J
 176                 Clevo D410V
 177                 Clevo D400V/D470V (not tested, but might work)
 178                 Clevo M540N
 179                 Clevo M5x0N (not tested, but might work)
 180                 Positivo Mobile (Clevo M5x0V)
 181
 182           If your model is not listed here you can try the "nodetect"
 183           module parameter.
 184
 185           To compile this driver as a module, choose M here: the
 186           module will be called leds-clevo-mail.
 187
 188 config LEDS_PCA955X
 189         tristate "LED Support for PCA955x I2C chips"
 190         depends on LEDS_CLASS && I2C
 191         help
 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.
 195
 196 config LEDS_WM8350
 197         tristate "LED Support for WM8350 AudioPlus PMIC"
 198         depends on LEDS_CLASS && MFD_WM8350
 199         help
 200           This option enables support for LEDs driven by the Wolfson
 201           Microelectronics WM8350 AudioPlus PMIC.
 202
 203 config LEDS_DA903X
 204         tristate "LED Support for DA9030/DA9034 PMIC"
 205         depends on LEDS_CLASS && PMIC_DA903X
 206         help
 207           This option enables support for on-chip LED drivers found
 208           on Dialog Semiconductor DA9030/DA9034 PMICs.
 209
 210 config LEDS_DAC124S085
 211         tristate "LED Support for DAC124S085 SPI DAC"
 212         depends on LEDS_CLASS && SPI
 213         help
 214           This option enables support for DAC124S085 SPI DAC from NatSemi,
 215           which can be used to control up to four LEDs.
 216
 217 config LEDS_PWM
 218         tristate "PWM driven LED Support"
 219         depends on LEDS_CLASS && HAVE_PWM
 220         help
 221           This option enables support for pwm driven LEDs
 222
 223 config LEDS_BD2802
 224         tristate "LED driver for BD2802 RGB LED"
 225         depends on LEDS_CLASS && I2C
 226         help
 227           This option enables support for BD2802GU RGB LED driver chips
 228           accessed via the I2C bus.
 229
 230 comment "LED Triggers"
 231
 232 config LEDS_TRIGGERS
 233         bool "LED Trigger support"
 234         help
 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.
 238
 239 config LEDS_TRIGGER_TIMER
 240         tristate "LED Timer Trigger"
 241         depends on LEDS_TRIGGERS
 242         help
 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.
 247
 248           If unsure, say Y.
 249
 250 config LEDS_TRIGGER_IDE_DISK
 251         bool "LED IDE Disk Trigger"
 252         depends on LEDS_TRIGGERS && IDE_GD_ATA
 253         help
 254           This allows LEDs to be controlled by IDE disk activity.
 255           If unsure, say Y.
 256
 257 config LEDS_TRIGGER_HEARTBEAT
 258         tristate "LED Heartbeat Trigger"
 259         depends on LEDS_TRIGGERS
 260         help
 261           This allows LEDs to be controlled by a CPU load average.
 262           The flash frequency is a hyperbolic function of the 1-minute
 263           load average.
 264           If unsure, say Y.
 265
 266 config LEDS_TRIGGER_BACKLIGHT
 267         tristate "LED backlight Trigger"
 268         depends on LEDS_TRIGGERS
 269         help
 270           This allows LEDs to be controlled as a backlight device: they
 271           turn off and on when the display is blanked and unblanked.
 272
 273           If unsure, say N.
 274
 275 config LEDS_TRIGGER_GPIO
 276         tristate "LED GPIO Trigger"
 277         depends on LEDS_TRIGGERS
 278         depends on GPIOLIB
 279         help
 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
 284           keypad.
 285
 286           If unsure, say N.
 287
 288 config LEDS_TRIGGER_DEFAULT_ON
 289         tristate "LED Default ON Trigger"
 290         depends on LEDS_TRIGGERS
 291         help
 292           This allows LEDs to be initialised in the ON state.
 293           If unsure, say Y.
 294
 295 comment "iptables trigger is under Netfilter config (LED target)"
 296         depends on LEDS_TRIGGERS
 297
 298 endif # NEW_LEDS