1config LEDS_GPIO_REGISTER 2 bool 3 help 4 This option provides the function gpio_led_register_device. 5 As this function is used by arch code it must not be compiled as a 6 module. 7 8menuconfig NEW_LEDS 9 bool "LED Support" 10 help 11 Say Y to enable Linux LED support. This allows control of supported 12 LEDs from both userspace and optionally, by kernel events (triggers). 13 14 This is not related to standard keyboard LEDs which are controlled 15 via the input system. 16 17if NEW_LEDS 18 19config LEDS_CLASS 20 tristate "LED Class Support" 21 help 22 This option enables the led sysfs class in /sys/class/leds. You'll 23 need this to do anything useful with LEDs. If unsure, say N. 24 25comment "LED drivers" 26 27config LEDS_88PM860X 28 tristate "LED Support for Marvell 88PM860x PMIC" 29 depends on LEDS_CLASS 30 depends on MFD_88PM860X 31 help 32 This option enables support for on-chip LED drivers found on Marvell 33 Semiconductor 88PM8606 PMIC. 34 35config LEDS_ATMEL_PWM 36 tristate "LED Support using Atmel PWM outputs" 37 depends on LEDS_CLASS 38 depends on ATMEL_PWM 39 help 40 This option enables support for LEDs driven using outputs 41 of the dedicated PWM controller found on newer Atmel SOCs. 42 43config LEDS_LM3530 44 tristate "LCD Backlight driver for LM3530" 45 depends on LEDS_CLASS 46 depends on I2C 47 help 48 This option enables support for the LCD backlight using 49 LM3530 ambient light sensor chip. This ALS chip can be 50 controlled manually or using PWM input or using ambient 51 light automatically. 52 53config LEDS_LM3533 54 tristate "LED support for LM3533" 55 depends on LEDS_CLASS 56 depends on MFD_LM3533 57 help 58 This option enables support for the LEDs on National Semiconductor / 59 TI LM3533 Lighting Power chips. 60 61 The LEDs can be controlled directly, through PWM input, or by the 62 ambient-light-sensor interface. The chip supports 63 hardware-accelerated blinking with maximum on and off periods of 9.8 64 and 77 seconds respectively. 65 66config LEDS_LM3642 67 tristate "LED support for LM3642 Chip" 68 depends on LEDS_CLASS && I2C 69 select REGMAP_I2C 70 help 71 This option enables support for LEDs connected to LM3642. 72 The LM3642 is a 4MHz fixed-frequency synchronous boost 73 converter plus 1.5A constant current driver for a high-current 74 white LED. 75 76 77config LEDS_LOCOMO 78 tristate "LED Support for Locomo device" 79 depends on LEDS_CLASS 80 depends on SHARP_LOCOMO 81 help 82 This option enables support for the LEDs on Sharp Locomo. 83 Zaurus models SL-5500 and SL-5600. 84 85config LEDS_MIKROTIK_RB532 86 tristate "LED Support for Mikrotik Routerboard 532" 87 depends on LEDS_CLASS 88 depends on MIKROTIK_RB532 89 help 90 This option enables support for the so called "User LED" of 91 Mikrotik's Routerboard 532. 92 93config LEDS_S3C24XX 94 tristate "LED Support for Samsung S3C24XX GPIO LEDs" 95 depends on LEDS_CLASS 96 depends on ARCH_S3C24XX 97 help 98 This option enables support for LEDs connected to GPIO lines 99 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440. 100 101config LEDS_NET48XX 102 tristate "LED Support for Soekris net48xx series Error LED" 103 depends on LEDS_CLASS 104 depends on SCx200_GPIO 105 help 106 This option enables support for the Soekris net4801 and net4826 error 107 LED. 108 109config LEDS_FSG 110 tristate "LED Support for the Freecom FSG-3" 111 depends on LEDS_CLASS 112 depends on MACH_FSG 113 help 114 This option enables support for the LEDs on the Freecom FSG-3. 115 116config LEDS_WRAP 117 tristate "LED Support for the WRAP series LEDs" 118 depends on LEDS_CLASS 119 depends on SCx200_GPIO 120 help 121 This option enables support for the PCEngines WRAP programmable LEDs. 122 123config LEDS_COBALT_QUBE 124 tristate "LED Support for the Cobalt Qube series front LED" 125 depends on LEDS_CLASS 126 depends on MIPS_COBALT 127 help 128 This option enables support for the front LED on Cobalt Qube series 129 130config LEDS_COBALT_RAQ 131 bool "LED Support for the Cobalt Raq series" 132 depends on LEDS_CLASS=y && MIPS_COBALT 133 select LEDS_TRIGGERS 134 help 135 This option enables support for the Cobalt Raq series LEDs. 136 137config LEDS_SUNFIRE 138 tristate "LED support for SunFire servers." 139 depends on LEDS_CLASS 140 depends on SPARC64 141 select LEDS_TRIGGERS 142 help 143 This option enables support for the Left, Middle, and Right 144 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers. 145 146config LEDS_HP6XX 147 tristate "LED Support for the HP Jornada 6xx" 148 depends on LEDS_CLASS 149 depends on SH_HP6XX 150 help 151 This option enables LED support for the handheld 152 HP Jornada 620/660/680/690. 153 154config LEDS_PCA9532 155 tristate "LED driver for PCA9532 dimmer" 156 depends on LEDS_CLASS 157 depends on I2C && INPUT && EXPERIMENTAL 158 help 159 This option enables support for NXP pca9532 160 LED controller. It is generally only useful 161 as a platform driver 162 163config LEDS_PCA9532_GPIO 164 bool "Enable GPIO support for PCA9532" 165 depends on LEDS_PCA9532 166 depends on GPIOLIB 167 help 168 Allow unused pins on PCA9532 to be used as gpio. 169 170 To use a pin as gpio pca9532_type in pca9532_platform data needs to 171 set to PCA9532_TYPE_GPIO. 172 173config LEDS_GPIO 174 tristate "LED Support for GPIO connected LEDs" 175 depends on LEDS_CLASS 176 depends on GENERIC_GPIO 177 help 178 This option enables support for the LEDs connected to GPIO 179 outputs. To be useful the particular board must have LEDs 180 and they must be connected to the GPIO lines. The LEDs must be 181 defined as platform devices and/or OpenFirmware platform devices. 182 The code to use these bindings can be selected below. 183 184config LEDS_LP3944 185 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip" 186 depends on LEDS_CLASS 187 depends on I2C 188 help 189 This option enables support for LEDs connected to the National 190 Semiconductor LP3944 Lighting Management Unit (LMU) also known as 191 Fun Light Chip. 192 193 To compile this driver as a module, choose M here: the 194 module will be called leds-lp3944. 195 196config LEDS_LP5521 197 tristate "LED Support for N.S. LP5521 LED driver chip" 198 depends on LEDS_CLASS && I2C 199 help 200 If you say yes here you get support for the National Semiconductor 201 LP5521 LED driver. It is 3 channel chip with programmable engines. 202 Driver provides direct control via LED class and interface for 203 programming the engines. 204 205config LEDS_LP5523 206 tristate "LED Support for TI/National LP5523/55231 LED driver chip" 207 depends on LEDS_CLASS && I2C 208 help 209 If you say yes here you get support for TI/National Semiconductor 210 LP5523/55231 LED driver. 211 It is 9 channel chip with programmable engines. 212 Driver provides direct control via LED class and interface for 213 programming the engines. 214 215config LEDS_LP8788 216 tristate "LED support for the TI LP8788 PMIC" 217 depends on LEDS_CLASS 218 depends on MFD_LP8788 219 help 220 This option enables support for the Keyboard LEDs on the LP8788 PMIC. 221 222config LEDS_CLEVO_MAIL 223 tristate "Mail LED on Clevo notebook" 224 depends on LEDS_CLASS 225 depends on X86 && SERIO_I8042 && DMI 226 help 227 This driver makes the mail LED accessible from userspace 228 programs through the leds subsystem. This LED have three 229 known mode: off, blink at 0.5Hz and blink at 1Hz. 230 231 The driver supports two kinds of interface: using ledtrig-timer 232 or through /sys/class/leds/clevo::mail/brightness. As this LED 233 cannot change it's brightness it blinks instead. The brightness 234 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means 235 blink at 1Hz. 236 237 This module can drive the mail LED for the following notebooks: 238 239 Clevo D400P 240 Clevo D410J 241 Clevo D410V 242 Clevo D400V/D470V (not tested, but might work) 243 Clevo M540N 244 Clevo M5x0N (not tested, but might work) 245 Positivo Mobile (Clevo M5x0V) 246 247 If your model is not listed here you can try the "nodetect" 248 module parameter. 249 250 To compile this driver as a module, choose M here: the 251 module will be called leds-clevo-mail. 252 253config LEDS_PCA955X 254 tristate "LED Support for PCA955x I2C chips" 255 depends on LEDS_CLASS 256 depends on I2C 257 help 258 This option enables support for LEDs connected to PCA955x 259 LED driver chips accessed via the I2C bus. Supported 260 devices include PCA9550, PCA9551, PCA9552, and PCA9553. 261 262config LEDS_PCA9633 263 tristate "LED support for PCA9633 I2C chip" 264 depends on LEDS_CLASS 265 depends on I2C 266 help 267 This option enables support for LEDs connected to the PCA9633 268 LED driver chip accessed via the I2C bus. 269 270config LEDS_WM831X_STATUS 271 tristate "LED support for status LEDs on WM831x PMICs" 272 depends on LEDS_CLASS 273 depends on MFD_WM831X 274 help 275 This option enables support for the status LEDs of the WM831x 276 series of PMICs. 277 278config LEDS_WM8350 279 tristate "LED Support for WM8350 AudioPlus PMIC" 280 depends on LEDS_CLASS 281 depends on MFD_WM8350 282 help 283 This option enables support for LEDs driven by the Wolfson 284 Microelectronics WM8350 AudioPlus PMIC. 285 286config LEDS_DA903X 287 tristate "LED Support for DA9030/DA9034 PMIC" 288 depends on LEDS_CLASS 289 depends on PMIC_DA903X 290 help 291 This option enables support for on-chip LED drivers found 292 on Dialog Semiconductor DA9030/DA9034 PMICs. 293 294config LEDS_DA9052 295 tristate "Dialog DA9052/DA9053 LEDS" 296 depends on LEDS_CLASS 297 depends on PMIC_DA9052 298 help 299 This option enables support for on-chip LED drivers found 300 on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs. 301 302config LEDS_DAC124S085 303 tristate "LED Support for DAC124S085 SPI DAC" 304 depends on LEDS_CLASS 305 depends on SPI 306 help 307 This option enables support for DAC124S085 SPI DAC from NatSemi, 308 which can be used to control up to four LEDs. 309 310config LEDS_PWM 311 tristate "PWM driven LED Support" 312 depends on LEDS_CLASS 313 depends on HAVE_PWM 314 help 315 This option enables support for pwm driven LEDs 316 317config LEDS_REGULATOR 318 tristate "REGULATOR driven LED support" 319 depends on LEDS_CLASS 320 depends on REGULATOR 321 help 322 This option enables support for regulator driven LEDs. 323 324config LEDS_BD2802 325 tristate "LED driver for BD2802 RGB LED" 326 depends on LEDS_CLASS 327 depends on I2C 328 help 329 This option enables support for BD2802GU RGB LED driver chips 330 accessed via the I2C bus. 331 332config LEDS_INTEL_SS4200 333 tristate "LED driver for Intel NAS SS4200 series" 334 depends on LEDS_CLASS 335 depends on PCI && DMI 336 help 337 This option enables support for the Intel SS4200 series of 338 Network Attached Storage servers. You may control the hard 339 drive or power LEDs on the front panel. Using this driver 340 can stop the front LED from blinking after startup. 341 342config LEDS_LT3593 343 tristate "LED driver for LT3593 controllers" 344 depends on LEDS_CLASS 345 depends on GENERIC_GPIO 346 help 347 This option enables support for LEDs driven by a Linear Technology 348 LT3593 controller. This controller uses a special one-wire pulse 349 coding protocol to set the brightness. 350 351config LEDS_ADP5520 352 tristate "LED Support for ADP5520/ADP5501 PMIC" 353 depends on LEDS_CLASS 354 depends on PMIC_ADP5520 355 help 356 This option enables support for on-chip LED drivers found 357 on Analog Devices ADP5520/ADP5501 PMICs. 358 359 To compile this driver as a module, choose M here: the module will 360 be called leds-adp5520. 361 362config LEDS_DELL_NETBOOKS 363 tristate "External LED on Dell Business Netbooks" 364 depends on LEDS_CLASS 365 depends on X86 && ACPI_WMI 366 help 367 This adds support for the Latitude 2100 and similar 368 notebooks that have an external LED. 369 370config LEDS_MC13783 371 tristate "LED Support for MC13783 PMIC" 372 depends on LEDS_CLASS 373 depends on MFD_MC13783 374 help 375 This option enable support for on-chip LED drivers found 376 on Freescale Semiconductor MC13783 PMIC. 377 378config LEDS_NS2 379 tristate "LED support for Network Space v2 GPIO LEDs" 380 depends on LEDS_CLASS 381 depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || \ 382 MACH_NETSPACE_MAX_V2 || MACH_D2NET_V2 || \ 383 MACH_NETSPACE_V2_DT || MACH_INETSPACE_V2_DT || \ 384 MACH_NETSPACE_MAX_V2_DT || MACH_NETSPACE_MINI_V2_DT 385 default y 386 help 387 This option enable support for the dual-GPIO LED found on the 388 Network Space v2 board (and parents). This include Internet Space v2, 389 Network Space (Max) v2 and d2 Network v2 boards. 390 391config LEDS_NETXBIG 392 tristate "LED support for Big Network series LEDs" 393 depends on MACH_NET2BIG_V2 || MACH_NET5BIG_V2 394 depends on LEDS_CLASS 395 default y 396 help 397 This option enable support for LEDs found on the LaCie 2Big 398 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are 399 controlled through a GPIO extension bus. 400 401config LEDS_ASIC3 402 bool "LED support for the HTC ASIC3" 403 depends on LEDS_CLASS=y 404 depends on MFD_ASIC3 405 default y 406 help 407 This option enables support for the LEDs on the HTC ASIC3. The HTC 408 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver 409 cannot be used. This driver supports hardware blinking with an on+off 410 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700. 411 412config LEDS_RENESAS_TPU 413 bool "LED support for Renesas TPU" 414 depends on LEDS_CLASS=y && HAVE_CLK && GENERIC_GPIO 415 help 416 This option enables build of the LED TPU platform driver, 417 suitable to drive any TPU channel on newer Renesas SoCs. 418 The driver controls the GPIO pin connected to the LED via 419 the GPIO framework and expects the LED to be connected to 420 a pin that can be driven in both GPIO mode and using TPU 421 pin function. The latter to support brightness control. 422 Brightness control is supported but hardware blinking is not. 423 424config LEDS_TCA6507 425 tristate "LED Support for TCA6507 I2C chip" 426 depends on LEDS_CLASS && I2C 427 help 428 This option enables support for LEDs connected to TC6507 429 LED driver chips accessed via the I2C bus. 430 Driver support brightness control and hardware-assisted blinking. 431 432config LEDS_MAX8997 433 tristate "LED support for MAX8997 PMIC" 434 depends on LEDS_CLASS && MFD_MAX8997 435 help 436 This option enables support for on-chip LED drivers on 437 MAXIM MAX8997 PMIC. 438 439config LEDS_LM355x 440 tristate "LED support for LM355x Chips, LM3554 and LM3556" 441 depends on LEDS_CLASS && I2C 442 select REGMAP_I2C 443 help 444 This option enables support for LEDs connected to LM355x. 445 LM355x includes Torch, Flash and Indicator functions. 446 447config LEDS_OT200 448 tristate "LED support for the Bachmann OT200" 449 depends on LEDS_CLASS && HAS_IOMEM 450 help 451 This option enables support for the LEDs on the Bachmann OT200. 452 Say Y to enable LEDs on the Bachmann OT200. 453 454config LEDS_BLINKM 455 tristate "LED support for the BlinkM I2C RGB LED" 456 depends on LEDS_CLASS 457 depends on I2C 458 help 459 This option enables support for the BlinkM RGB LED connected 460 through I2C. Say Y to enable support for the BlinkM LED. 461 462config LEDS_TRIGGERS 463 bool "LED Trigger support" 464 depends on LEDS_CLASS 465 help 466 This option enables trigger support for the leds class. 467 These triggers allow kernel events to drive the LEDs and can 468 be configured via sysfs. If unsure, say Y. 469 470comment "LED Triggers" 471 472config LEDS_TRIGGER_TIMER 473 tristate "LED Timer Trigger" 474 depends on LEDS_TRIGGERS 475 help 476 This allows LEDs to be controlled by a programmable timer 477 via sysfs. Some LED hardware can be programmed to start 478 blinking the LED without any further software interaction. 479 For more details read Documentation/leds/leds-class.txt. 480 481 If unsure, say Y. 482 483config LEDS_TRIGGER_ONESHOT 484 tristate "LED One-shot Trigger" 485 depends on LEDS_TRIGGERS 486 help 487 This allows LEDs to blink in one-shot pulses with parameters 488 controlled via sysfs. It's useful to notify the user on 489 sporadic events, when there are no clear begin and end trap points, 490 or on dense events, where this blinks the LED at constant rate if 491 rearmed continuously. 492 493 It also shows how to use the led_blink_set_oneshot() function. 494 495 If unsure, say Y. 496 497config LEDS_TRIGGER_IDE_DISK 498 bool "LED IDE Disk Trigger" 499 depends on IDE_GD_ATA 500 depends on LEDS_TRIGGERS 501 help 502 This allows LEDs to be controlled by IDE disk activity. 503 If unsure, say Y. 504 505config LEDS_TRIGGER_HEARTBEAT 506 tristate "LED Heartbeat Trigger" 507 depends on LEDS_TRIGGERS 508 help 509 This allows LEDs to be controlled by a CPU load average. 510 The flash frequency is a hyperbolic function of the 1-minute 511 load average. 512 If unsure, say Y. 513 514config LEDS_TRIGGER_BACKLIGHT 515 tristate "LED backlight Trigger" 516 depends on LEDS_TRIGGERS 517 help 518 This allows LEDs to be controlled as a backlight device: they 519 turn off and on when the display is blanked and unblanked. 520 521 If unsure, say N. 522 523config LEDS_TRIGGER_CPU 524 bool "LED CPU Trigger" 525 depends on LEDS_TRIGGERS 526 help 527 This allows LEDs to be controlled by active CPUs. This shows 528 the active CPUs across an array of LEDs so you can see which 529 CPUs are active on the system at any given moment. 530 531 If unsure, say N. 532 533config LEDS_TRIGGER_GPIO 534 tristate "LED GPIO Trigger" 535 depends on LEDS_TRIGGERS 536 depends on GPIOLIB 537 help 538 This allows LEDs to be controlled by gpio events. It's good 539 when using gpios as switches and triggering the needed LEDs 540 from there. One use case is n810's keypad LEDs that could 541 be triggered by this trigger when user slides up to show 542 keypad. 543 544 If unsure, say N. 545 546config LEDS_TRIGGER_DEFAULT_ON 547 tristate "LED Default ON Trigger" 548 depends on LEDS_TRIGGERS 549 help 550 This allows LEDs to be initialised in the ON state. 551 If unsure, say Y. 552 553comment "iptables trigger is under Netfilter config (LED target)" 554 depends on LEDS_TRIGGERS 555 556config LEDS_TRIGGER_TRANSIENT 557 tristate "LED Transient Trigger" 558 depends on LEDS_TRIGGERS 559 help 560 This allows one time activation of a transient state on 561 GPIO/PWM based hardware. 562 If unsure, say Y. 563 564endif # NEW_LEDS 565