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_88PM860X
  21         tristate "LED Support for Marvell 88PM860x PMIC"
  22         depends on LEDS_CLASS && MFD_88PM860X
  23         help
  24           This option enables support for on-chip LED drivers found on Marvell
  25           Semiconductor 88PM8606 PMIC.
  26
  27 config LEDS_ATMEL_PWM
  28         tristate "LED Support using Atmel PWM outputs"
  29         depends on LEDS_CLASS && ATMEL_PWM
  30         help
  31           This option enables support for LEDs driven using outputs
  32           of the dedicated PWM controller found on newer Atmel SOCs.
  33
  34 config LEDS_LOCOMO
  35         tristate "LED Support for Locomo device"
  36         depends on LEDS_CLASS && SHARP_LOCOMO
  37         help
  38           This option enables support for the LEDs on Sharp Locomo.
  39           Zaurus models SL-5500 and SL-5600.
  40
  41 config LEDS_MIKROTIK_RB532
  42         tristate "LED Support for Mikrotik Routerboard 532"
  43         depends on LEDS_CLASS && MIKROTIK_RB532
  44         help
  45           This option enables support for the so called "User LED" of
  46           Mikrotik's Routerboard 532.
  47
  48 config LEDS_S3C24XX
  49         tristate "LED Support for Samsung S3C24XX GPIO LEDs"
  50         depends on LEDS_CLASS && ARCH_S3C2410
  51         help
  52           This option enables support for LEDs connected to GPIO lines
  53           on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
  54
  55 config LEDS_AMS_DELTA
  56         tristate "LED Support for the Amstrad Delta (E3)"
  57         depends on LEDS_CLASS && MACH_AMS_DELTA
  58         help
  59           This option enables support for the LEDs on Amstrad Delta (E3).
  60
  61 config LEDS_NET48XX
  62         tristate "LED Support for Soekris net48xx series Error LED"
  63         depends on LEDS_CLASS && SCx200_GPIO
  64         help
  65           This option enables support for the Soekris net4801 and net4826 error
  66           LED.
  67
  68 config LEDS_FSG
  69         tristate "LED Support for the Freecom FSG-3"
  70         depends on LEDS_CLASS && MACH_FSG
  71         help
  72           This option enables support for the LEDs on the Freecom FSG-3.
  73
  74 config LEDS_WRAP
  75         tristate "LED Support for the WRAP series LEDs"
  76         depends on LEDS_CLASS && SCx200_GPIO
  77         help
  78           This option enables support for the PCEngines WRAP programmable LEDs.
  79
  80 config LEDS_ALIX2
  81         tristate "LED Support for ALIX.2 and ALIX.3 series"
  82         depends on LEDS_CLASS && X86 && EXPERIMENTAL
  83         help
  84           This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
  85           You have to set leds-alix2.force=1 for boards with Award BIOS.
  86
  87 config LEDS_H1940
  88         tristate "LED Support for iPAQ H1940 device"
  89         depends on LEDS_CLASS && ARCH_H1940
  90         help
  91           This option enables support for the LEDs on the h1940.
  92
  93 config LEDS_COBALT_QUBE
  94         tristate "LED Support for the Cobalt Qube series front LED"
  95         depends on LEDS_CLASS && MIPS_COBALT
  96         help
  97           This option enables support for the front LED on Cobalt Qube series
  98
  99 config LEDS_COBALT_RAQ
 100         bool "LED Support for the Cobalt Raq series"
 101         depends on LEDS_CLASS=y && MIPS_COBALT
 102         select LEDS_TRIGGERS
 103         help
 104           This option enables support for the Cobalt Raq series LEDs.
 105
 106 config LEDS_SUNFIRE
 107         tristate "LED support for SunFire servers."
 108         depends on LEDS_CLASS && SPARC64
 109         select LEDS_TRIGGERS
 110         help
 111           This option enables support for the Left, Middle, and Right
 112           LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
 113
 114 config LEDS_HP6XX
 115         tristate "LED Support for the HP Jornada 6xx"
 116         depends on LEDS_CLASS && SH_HP6XX
 117         help
 118           This option enables LED support for the handheld
 119           HP Jornada 620/660/680/690.
 120
 121 config LEDS_PCA9532
 122         tristate "LED driver for PCA9532 dimmer"
 123         depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
 124         help
 125           This option enables support for NXP pca9532
 126           LED controller. It is generally only useful
 127           as a platform driver
 128
 129 config LEDS_GPIO
 130         tristate "LED Support for GPIO connected LEDs"
 131         depends on LEDS_CLASS && GENERIC_GPIO
 132         help
 133           This option enables support for the LEDs connected to GPIO
 134           outputs. To be useful the particular board must have LEDs
 135           and they must be connected to the GPIO lines.  The LEDs must be
 136           defined as platform devices and/or OpenFirmware platform devices.
 137           The code to use these bindings can be selected below.
 138
 139 config LEDS_GPIO_PLATFORM
 140         bool "Platform device bindings for GPIO LEDs"
 141         depends on LEDS_GPIO
 142         default y
 143         help
 144           Let the leds-gpio driver drive LEDs which have been defined as
 145           platform devices.  If you don't know what this means, say yes.
 146
 147 config LEDS_GPIO_OF
 148         bool "OpenFirmware platform device bindings for GPIO LEDs"
 149         depends on LEDS_GPIO && OF_DEVICE
 150         default y
 151         help
 152           Let the leds-gpio driver drive LEDs which have been defined as
 153           of_platform devices.  For instance, LEDs which are listed in a "dts"
 154           file.
 155
 156 config LEDS_LP3944
 157         tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
 158         depends on LEDS_CLASS && I2C
 159         help
 160           This option enables support for LEDs connected to the National
 161           Semiconductor LP3944 Lighting Management Unit (LMU) also known as
 162           Fun Light Chip.
 163
 164           To compile this driver as a module, choose M here: the
 165           module will be called leds-lp3944.
 166
 167 config LEDS_CLEVO_MAIL
 168         tristate "Mail LED on Clevo notebook"
 169         depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI
 170         help
 171           This driver makes the mail LED accessible from userspace
 172           programs through the leds subsystem. This LED have three
 173           known mode: off, blink at 0.5Hz and blink at 1Hz.
 174
 175           The driver supports two kinds of interface: using ledtrig-timer
 176           or through /sys/class/leds/clevo::mail/brightness. As this LED
 177           cannot change it's brightness it blinks instead. The brightness
 178           value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
 179           blink at 1Hz.
 180
 181           This module can drive the mail LED for the following notebooks:
 182
 183                 Clevo D400P
 184                 Clevo D410J
 185                 Clevo D410V
 186                 Clevo D400V/D470V (not tested, but might work)
 187                 Clevo M540N
 188                 Clevo M5x0N (not tested, but might work)
 189                 Positivo Mobile (Clevo M5x0V)
 190
 191           If your model is not listed here you can try the "nodetect"
 192           module parameter.
 193
 194           To compile this driver as a module, choose M here: the
 195           module will be called leds-clevo-mail.
 196
 197 config LEDS_PCA955X
 198         tristate "LED Support for PCA955x I2C chips"
 199         depends on LEDS_CLASS && I2C
 200         help
 201           This option enables support for LEDs connected to PCA955x
 202           LED driver chips accessed via the I2C bus.  Supported
 203           devices include PCA9550, PCA9551, PCA9552, and PCA9553.
 204
 205 config LEDS_WM831X_STATUS
 206         tristate "LED support for status LEDs on WM831x PMICs"
 207         depends on LEDS_CLASS && MFD_WM831X
 208         help
 209           This option enables support for the status LEDs of the WM831x
 210           series of PMICs.
 211
 212 config LEDS_WM8350
 213         tristate "LED Support for WM8350 AudioPlus PMIC"
 214         depends on LEDS_CLASS && MFD_WM8350
 215         help
 216           This option enables support for LEDs driven by the Wolfson
 217           Microelectronics WM8350 AudioPlus PMIC.
 218
 219 config LEDS_DA903X
 220         tristate "LED Support for DA9030/DA9034 PMIC"
 221         depends on LEDS_CLASS && PMIC_DA903X
 222         help
 223           This option enables support for on-chip LED drivers found
 224           on Dialog Semiconductor DA9030/DA9034 PMICs.
 225
 226 config LEDS_DAC124S085
 227         tristate "LED Support for DAC124S085 SPI DAC"
 228         depends on LEDS_CLASS && SPI
 229         help
 230           This option enables support for DAC124S085 SPI DAC from NatSemi,
 231           which can be used to control up to four LEDs.
 232
 233 config LEDS_PWM
 234         tristate "PWM driven LED Support"
 235         depends on LEDS_CLASS && HAVE_PWM
 236         help
 237           This option enables support for pwm driven LEDs
 238
 239 config LEDS_REGULATOR
 240         tristate "REGULATOR driven LED support"
 241         depends on LEDS_CLASS && REGULATOR
 242         help
 243           This option enables support for regulator driven LEDs.
 244
 245 config LEDS_BD2802
 246         tristate "LED driver for BD2802 RGB LED"
 247         depends on LEDS_CLASS && I2C
 248         help
 249           This option enables support for BD2802GU RGB LED driver chips
 250           accessed via the I2C bus.
 251
 252 config LEDS_INTEL_SS4200
 253         tristate "LED driver for Intel NAS SS4200 series"
 254         depends on LEDS_CLASS && PCI && DMI
 255         help
 256           This option enables support for the Intel SS4200 series of
 257           Network Attached Storage servers.  You may control the hard
 258           drive or power LEDs on the front panel.  Using this driver
 259           can stop the front LED from blinking after startup.
 260
 261 config LEDS_LT3593
 262         tristate "LED driver for LT3593 controllers"
 263         depends on LEDS_CLASS && GENERIC_GPIO
 264         help
 265           This option enables support for LEDs driven by a Linear Technology
 266           LT3593 controller. This controller uses a special one-wire pulse
 267           coding protocol to set the brightness.
 268
 269 config LEDS_ADP5520
 270         tristate "LED Support for ADP5520/ADP5501 PMIC"
 271         depends on LEDS_CLASS && PMIC_ADP5520
 272         help
 273           This option enables support for on-chip LED drivers found
 274           on Analog Devices ADP5520/ADP5501 PMICs.
 275
 276           To compile this driver as a module, choose M here: the module will
 277           be called leds-adp5520.
 278
 279 comment "LED Triggers"
 280
 281 config LEDS_TRIGGERS
 282         bool "LED Trigger support"
 283         help
 284           This option enables trigger support for the leds class.
 285           These triggers allow kernel events to drive the LEDs and can
 286           be configured via sysfs. If unsure, say Y.
 287
 288 config LEDS_TRIGGER_TIMER
 289         tristate "LED Timer Trigger"
 290         depends on LEDS_TRIGGERS
 291         help
 292           This allows LEDs to be controlled by a programmable timer
 293           via sysfs. Some LED hardware can be programmed to start
 294           blinking the LED without any further software interaction.
 295           For more details read Documentation/leds-class.txt.
 296
 297           If unsure, say Y.
 298
 299 config LEDS_TRIGGER_IDE_DISK
 300         bool "LED IDE Disk Trigger"
 301         depends on LEDS_TRIGGERS && IDE_GD_ATA
 302         help
 303           This allows LEDs to be controlled by IDE disk activity.
 304           If unsure, say Y.
 305
 306 config LEDS_TRIGGER_HEARTBEAT
 307         tristate "LED Heartbeat Trigger"
 308         depends on LEDS_TRIGGERS
 309         help
 310           This allows LEDs to be controlled by a CPU load average.
 311           The flash frequency is a hyperbolic function of the 1-minute
 312           load average.
 313           If unsure, say Y.
 314
 315 config LEDS_TRIGGER_BACKLIGHT
 316         tristate "LED backlight Trigger"
 317         depends on LEDS_TRIGGERS
 318         help
 319           This allows LEDs to be controlled as a backlight device: they
 320           turn off and on when the display is blanked and unblanked.
 321
 322           If unsure, say N.
 323
 324 config LEDS_TRIGGER_GPIO
 325         tristate "LED GPIO Trigger"
 326         depends on LEDS_TRIGGERS
 327         depends on GPIOLIB
 328         help
 329           This allows LEDs to be controlled by gpio events. It's good
 330           when using gpios as switches and triggering the needed LEDs
 331           from there. One use case is n810's keypad LEDs that could
 332           be triggered by this trigger when user slides up to show
 333           keypad.
 334
 335           If unsure, say N.
 336
 337 config LEDS_TRIGGER_DEFAULT_ON
 338         tristate "LED Default ON Trigger"
 339         depends on LEDS_TRIGGERS
 340         help
 341           This allows LEDs to be initialised in the ON state.
 342           If unsure, say Y.
 343
 344 comment "iptables trigger is under Netfilter config (LED target)"
 345         depends on LEDS_TRIGGERS
 346
 347 endif # NEW_LEDS