LXR linux/drivers/leds/Kconfig

   1menuconfig 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
  10if NEW_LEDS
  11
  12config 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
  18comment "LED drivers"
  19
  20config 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
  27config 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
  34config 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
  41config 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
  48config 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
  54config 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
  61config 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
  67config 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
  73config 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          You have to set leds-alix2.force=1 for boards with Award BIOS.
  79
  80config LEDS_H1940
  81        tristate "LED Support for iPAQ H1940 device"
  82        depends on LEDS_CLASS && ARCH_H1940
  83        help
  84          This option enables support for the LEDs on the h1940.
  85
  86config LEDS_COBALT_QUBE
  87        tristate "LED Support for the Cobalt Qube series front LED"
  88        depends on LEDS_CLASS && MIPS_COBALT
  89        help
  90          This option enables support for the front LED on Cobalt Qube series
  91
  92config LEDS_COBALT_RAQ
  93        bool "LED Support for the Cobalt Raq series"
  94        depends on LEDS_CLASS=y && MIPS_COBALT
  95        select LEDS_TRIGGERS
  96        help
  97          This option enables support for the Cobalt Raq series LEDs.
  98
  99config LEDS_SUNFIRE
 100        tristate "LED support for SunFire servers."
 101        depends on LEDS_CLASS && SPARC64
 102        select LEDS_TRIGGERS
 103        help
 104          This option enables support for the Left, Middle, and Right
 105          LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
 106
 107config LEDS_HP6XX
 108        tristate "LED Support for the HP Jornada 6xx"
 109        depends on LEDS_CLASS && SH_HP6XX
 110        help
 111          This option enables LED support for the handheld
 112          HP Jornada 620/660/680/690.
 113
 114config LEDS_PCA9532
 115        tristate "LED driver for PCA9532 dimmer"
 116        depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
 117        help
 118          This option enables support for NXP pca9532
 119          LED controller. It is generally only useful
 120          as a platform driver
 121
 122config LEDS_GPIO
 123        tristate "LED Support for GPIO connected LEDs"
 124        depends on LEDS_CLASS && GENERIC_GPIO
 125        help
 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.
 131
 132config LEDS_GPIO_PLATFORM
 133        bool "Platform device bindings for GPIO LEDs"
 134        depends on LEDS_GPIO
 135        default y
 136        help
 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.
 139
 140config LEDS_GPIO_OF
 141        bool "OpenFirmware platform device bindings for GPIO LEDs"
 142        depends on LEDS_GPIO && OF_DEVICE
 143        default y
 144        help
 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"
 147          file.
 148
 149config LEDS_LP3944
 150        tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
 151        depends on LEDS_CLASS && I2C
 152        help
 153          This option enables support for LEDs connected to the National
 154          Semiconductor LP3944 Lighting Management Unit (LMU) also known as
 155          Fun Light Chip.
 156
 157          To compile this driver as a module, choose M here: the
 158          module will be called leds-lp3944.
 159
 160config LEDS_CLEVO_MAIL
 161        tristate "Mail LED on Clevo notebook"
 162        depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI
 163        help
 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.
 167
 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
 172          blink at 1Hz.
 173
 174          This module can drive the mail LED for the following notebooks:
 175
 176                Clevo D400P
 177                Clevo D410J
 178                Clevo D410V
 179                Clevo D400V/D470V (not tested, but might work)
 180                Clevo M540N
 181                Clevo M5x0N (not tested, but might work)
 182                Positivo Mobile (Clevo M5x0V)
 183
 184          If your model is not listed here you can try the "nodetect"
 185          module parameter.
 186
 187          To compile this driver as a module, choose M here: the
 188          module will be called leds-clevo-mail.
 189
 190config LEDS_PCA955X
 191        tristate "LED Support for PCA955x I2C chips"
 192        depends on LEDS_CLASS && I2C
 193        help
 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.
 197
 198config LEDS_WM831X_STATUS
 199        tristate "LED support for status LEDs on WM831x PMICs"
 200        depends on LEDS_CLASS && MFD_WM831X
 201        help
 202          This option enables support for the status LEDs of the WM831x
 203          series of PMICs.
 204
 205config LEDS_WM8350
 206        tristate "LED Support for WM8350 AudioPlus PMIC"
 207        depends on LEDS_CLASS && MFD_WM8350
 208        help
 209          This option enables support for LEDs driven by the Wolfson
 210          Microelectronics WM8350 AudioPlus PMIC.
 211
 212config LEDS_DA903X
 213        tristate "LED Support for DA9030/DA9034 PMIC"
 214        depends on LEDS_CLASS && PMIC_DA903X
 215        help
 216          This option enables support for on-chip LED drivers found
 217          on Dialog Semiconductor DA9030/DA9034 PMICs.
 218
 219config LEDS_DAC124S085
 220        tristate "LED Support for DAC124S085 SPI DAC"
 221        depends on LEDS_CLASS && SPI
 222        help
 223          This option enables support for DAC124S085 SPI DAC from NatSemi,
 224          which can be used to control up to four LEDs.
 225
 226config LEDS_PWM
 227        tristate "PWM driven LED Support"
 228        depends on LEDS_CLASS && HAVE_PWM
 229        help
 230          This option enables support for pwm driven LEDs
 231
 232config LEDS_REGULATOR
 233        tristate "REGULATOR driven LED support"
 234        depends on LEDS_CLASS && REGULATOR
 235        help
 236          This option enables support for regulator driven LEDs.
 237
 238config LEDS_BD2802
 239        tristate "LED driver for BD2802 RGB LED"
 240        depends on LEDS_CLASS && I2C
 241        help
 242          This option enables support for BD2802GU RGB LED driver chips
 243          accessed via the I2C bus.
 244
 245config LEDS_INTEL_SS4200
 246        tristate "LED driver for Intel NAS SS4200 series"
 247        depends on LEDS_CLASS && PCI && DMI
 248        help
 249          This option enables support for the Intel SS4200 series of
 250          Network Attached Storage servers.  You may control the hard
 251          drive or power LEDs on the front panel.  Using this driver
 252          can stop the front LED from blinking after startup.
 253
 254config LEDS_LT3593
 255        tristate "LED driver for LT3593 controllers"
 256        depends on LEDS_CLASS && GENERIC_GPIO
 257        help
 258          This option enables support for LEDs driven by a Linear Technology
 259          LT3593 controller. This controller uses a special one-wire pulse
 260          coding protocol to set the brightness.
 261
 262config LEDS_ADP5520
 263        tristate "LED Support for ADP5520/ADP5501 PMIC"
 264        depends on LEDS_CLASS && PMIC_ADP5520
 265        help
 266          This option enables support for on-chip LED drivers found
 267          on Analog Devices ADP5520/ADP5501 PMICs.
 268
 269          To compile this driver as a module, choose M here: the module will
 270          be called leds-adp5520.
 271
 272comment "LED Triggers"
 273
 274config LEDS_TRIGGERS
 275        bool "LED Trigger support"
 276        help
 277          This option enables trigger support for the leds class.
 278          These triggers allow kernel events to drive the LEDs and can
 279          be configured via sysfs. If unsure, say Y.
 280
 281config LEDS_TRIGGER_TIMER
 282        tristate "LED Timer Trigger"
 283        depends on LEDS_TRIGGERS
 284        help
 285          This allows LEDs to be controlled by a programmable timer
 286          via sysfs. Some LED hardware can be programmed to start
 287          blinking the LED without any further software interaction.
 288          For more details read Documentation/leds-class.txt.
 289
 290          If unsure, say Y.
 291
 292config LEDS_TRIGGER_IDE_DISK
 293        bool "LED IDE Disk Trigger"
 294        depends on LEDS_TRIGGERS && IDE_GD_ATA
 295        help
 296          This allows LEDs to be controlled by IDE disk activity.
 297          If unsure, say Y.
 298
 299config LEDS_TRIGGER_HEARTBEAT
 300        tristate "LED Heartbeat Trigger"
 301        depends on LEDS_TRIGGERS
 302        help
 303          This allows LEDs to be controlled by a CPU load average.
 304          The flash frequency is a hyperbolic function of the 1-minute
 305          load average.
 306          If unsure, say Y.
 307
 308config LEDS_TRIGGER_BACKLIGHT
 309        tristate "LED backlight Trigger"
 310        depends on LEDS_TRIGGERS
 311        help
 312          This allows LEDs to be controlled as a backlight device: they
 313          turn off and on when the display is blanked and unblanked.
 314
 315          If unsure, say N.
 316
 317config LEDS_TRIGGER_GPIO
 318        tristate "LED GPIO Trigger"
 319        depends on LEDS_TRIGGERS
 320        depends on GPIOLIB
 321        help
 322          This allows LEDs to be controlled by gpio events. It's good
 323          when using gpios as switches and triggering the needed LEDs
 324          from there. One use case is n810's keypad LEDs that could
 325          be triggered by this trigger when user slides up to show
 326          keypad.
 327
 328          If unsure, say N.
 329
 330config LEDS_TRIGGER_DEFAULT_ON
 331        tristate "LED Default ON Trigger"
 332        depends on LEDS_TRIGGERS
 333        help
 334          This allows LEDs to be initialised in the ON state.
 335          If unsure, say Y.
 336
 337comment "iptables trigger is under Netfilter config (LED target)"
 338        depends on LEDS_TRIGGERS
 339
 340endif # NEW_LEDS
 341