|  | config LEDS_GPIO_REGISTER | 
|  | bool | 
|  | help | 
|  | This option provides the function gpio_led_register_device. | 
|  | As this function is used by arch code it must not be compiled as a | 
|  | module. | 
|  |  | 
|  | menuconfig NEW_LEDS | 
|  | bool "LED Support" | 
|  | help | 
|  | Say Y to enable Linux LED support.  This allows control of supported | 
|  | LEDs from both userspace and optionally, by kernel events (triggers). | 
|  |  | 
|  | This is not related to standard keyboard LEDs which are controlled | 
|  | via the input system. | 
|  |  | 
|  | if NEW_LEDS | 
|  |  | 
|  | config LEDS_CLASS | 
|  | tristate "LED Class Support" | 
|  | help | 
|  | This option enables the led sysfs class in /sys/class/leds.  You'll | 
|  | need this to do anything useful with LEDs.  If unsure, say N. | 
|  |  | 
|  | comment "LED drivers" | 
|  |  | 
|  | config LEDS_88PM860X | 
|  | tristate "LED Support for Marvell 88PM860x PMIC" | 
|  | depends on LEDS_CLASS | 
|  | depends on MFD_88PM860X | 
|  | help | 
|  | This option enables support for on-chip LED drivers found on Marvell | 
|  | Semiconductor 88PM8606 PMIC. | 
|  |  | 
|  | config LEDS_ATMEL_PWM | 
|  | tristate "LED Support using Atmel PWM outputs" | 
|  | depends on LEDS_CLASS | 
|  | depends on ATMEL_PWM | 
|  | help | 
|  | This option enables support for LEDs driven using outputs | 
|  | of the dedicated PWM controller found on newer Atmel SOCs. | 
|  |  | 
|  | config LEDS_LM3530 | 
|  | tristate "LCD Backlight driver for LM3530" | 
|  | depends on LEDS_CLASS | 
|  | depends on I2C | 
|  | help | 
|  | This option enables support for the LCD backlight using | 
|  | LM3530 ambient light sensor chip. This ALS chip can be | 
|  | controlled manually or using PWM input or using ambient | 
|  | light automatically. | 
|  |  | 
|  | config LEDS_LM3533 | 
|  | tristate "LED support for LM3533" | 
|  | depends on LEDS_CLASS | 
|  | depends on MFD_LM3533 | 
|  | help | 
|  | This option enables support for the LEDs on National Semiconductor / | 
|  | TI LM3533 Lighting Power chips. | 
|  |  | 
|  | The LEDs can be controlled directly, through PWM input, or by the | 
|  | ambient-light-sensor interface. The chip supports | 
|  | hardware-accelerated blinking with maximum on and off periods of 9.8 | 
|  | and 77 seconds respectively. | 
|  |  | 
|  | config LEDS_LOCOMO | 
|  | tristate "LED Support for Locomo device" | 
|  | depends on LEDS_CLASS | 
|  | depends on SHARP_LOCOMO | 
|  | help | 
|  | This option enables support for the LEDs on Sharp Locomo. | 
|  | Zaurus models SL-5500 and SL-5600. | 
|  |  | 
|  | config LEDS_MIKROTIK_RB532 | 
|  | tristate "LED Support for Mikrotik Routerboard 532" | 
|  | depends on LEDS_CLASS | 
|  | depends on MIKROTIK_RB532 | 
|  | help | 
|  | This option enables support for the so called "User LED" of | 
|  | Mikrotik's Routerboard 532. | 
|  |  | 
|  | config LEDS_S3C24XX | 
|  | tristate "LED Support for Samsung S3C24XX GPIO LEDs" | 
|  | depends on LEDS_CLASS | 
|  | depends on ARCH_S3C24XX | 
|  | help | 
|  | This option enables support for LEDs connected to GPIO lines | 
|  | on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440. | 
|  |  | 
|  | config LEDS_NET48XX | 
|  | tristate "LED Support for Soekris net48xx series Error LED" | 
|  | depends on LEDS_CLASS | 
|  | depends on SCx200_GPIO | 
|  | help | 
|  | This option enables support for the Soekris net4801 and net4826 error | 
|  | LED. | 
|  |  | 
|  | config LEDS_FSG | 
|  | tristate "LED Support for the Freecom FSG-3" | 
|  | depends on LEDS_CLASS | 
|  | depends on MACH_FSG | 
|  | help | 
|  | This option enables support for the LEDs on the Freecom FSG-3. | 
|  |  | 
|  | config LEDS_WRAP | 
|  | tristate "LED Support for the WRAP series LEDs" | 
|  | depends on LEDS_CLASS | 
|  | depends on SCx200_GPIO | 
|  | help | 
|  | This option enables support for the PCEngines WRAP programmable LEDs. | 
|  |  | 
|  | config LEDS_COBALT_QUBE | 
|  | tristate "LED Support for the Cobalt Qube series front LED" | 
|  | depends on LEDS_CLASS | 
|  | depends on MIPS_COBALT | 
|  | help | 
|  | This option enables support for the front LED on Cobalt Qube series | 
|  |  | 
|  | config LEDS_COBALT_RAQ | 
|  | bool "LED Support for the Cobalt Raq series" | 
|  | depends on LEDS_CLASS=y && MIPS_COBALT | 
|  | select LEDS_TRIGGERS | 
|  | help | 
|  | This option enables support for the Cobalt Raq series LEDs. | 
|  |  | 
|  | config LEDS_SUNFIRE | 
|  | tristate "LED support for SunFire servers." | 
|  | depends on LEDS_CLASS | 
|  | depends on SPARC64 | 
|  | select LEDS_TRIGGERS | 
|  | help | 
|  | This option enables support for the Left, Middle, and Right | 
|  | LEDs on the I/O and CPU boards of SunFire UltraSPARC servers. | 
|  |  | 
|  | config LEDS_HP6XX | 
|  | tristate "LED Support for the HP Jornada 6xx" | 
|  | depends on LEDS_CLASS | 
|  | depends on SH_HP6XX | 
|  | help | 
|  | This option enables LED support for the handheld | 
|  | HP Jornada 620/660/680/690. | 
|  |  | 
|  | config LEDS_PCA9532 | 
|  | tristate "LED driver for PCA9532 dimmer" | 
|  | depends on LEDS_CLASS | 
|  | depends on I2C && INPUT && EXPERIMENTAL | 
|  | help | 
|  | This option enables support for NXP pca9532 | 
|  | LED controller. It is generally only useful | 
|  | as a platform driver | 
|  |  | 
|  | config LEDS_PCA9532_GPIO | 
|  | bool "Enable GPIO support for PCA9532" | 
|  | depends on LEDS_PCA9532 | 
|  | depends on GPIOLIB | 
|  | help | 
|  | Allow unused pins on PCA9532 to be used as gpio. | 
|  |  | 
|  | To use a pin as gpio pca9532_type in pca9532_platform data needs to | 
|  | set to PCA9532_TYPE_GPIO. | 
|  |  | 
|  | config LEDS_GPIO | 
|  | tristate "LED Support for GPIO connected LEDs" | 
|  | depends on LEDS_CLASS | 
|  | depends on GENERIC_GPIO | 
|  | help | 
|  | This option enables support for the LEDs connected to GPIO | 
|  | outputs. To be useful the particular board must have LEDs | 
|  | and they must be connected to the GPIO lines.  The LEDs must be | 
|  | defined as platform devices and/or OpenFirmware platform devices. | 
|  | The code to use these bindings can be selected below. | 
|  |  | 
|  | config LEDS_LP3944 | 
|  | tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip" | 
|  | depends on LEDS_CLASS | 
|  | depends on I2C | 
|  | help | 
|  | This option enables support for LEDs connected to the National | 
|  | Semiconductor LP3944 Lighting Management Unit (LMU) also known as | 
|  | Fun Light Chip. | 
|  |  | 
|  | To compile this driver as a module, choose M here: the | 
|  | module will be called leds-lp3944. | 
|  |  | 
|  | config LEDS_LP5521 | 
|  | tristate "LED Support for N.S. LP5521 LED driver chip" | 
|  | depends on LEDS_CLASS && I2C | 
|  | help | 
|  | If you say yes here you get support for the National Semiconductor | 
|  | LP5521 LED driver. It is 3 channel chip with programmable engines. | 
|  | Driver provides direct control via LED class and interface for | 
|  | programming the engines. | 
|  |  | 
|  | config LEDS_LP5523 | 
|  | tristate "LED Support for N.S. LP5523 LED driver chip" | 
|  | depends on LEDS_CLASS && I2C | 
|  | help | 
|  | If you say yes here you get support for the National Semiconductor | 
|  | LP5523 LED driver. It is 9 channel chip with programmable engines. | 
|  | Driver provides direct control via LED class and interface for | 
|  | programming the engines. | 
|  |  | 
|  | config LEDS_CLEVO_MAIL | 
|  | tristate "Mail LED on Clevo notebook" | 
|  | depends on LEDS_CLASS | 
|  | depends on X86 && SERIO_I8042 && DMI | 
|  | help | 
|  | This driver makes the mail LED accessible from userspace | 
|  | programs through the leds subsystem. This LED have three | 
|  | known mode: off, blink at 0.5Hz and blink at 1Hz. | 
|  |  | 
|  | The driver supports two kinds of interface: using ledtrig-timer | 
|  | or through /sys/class/leds/clevo::mail/brightness. As this LED | 
|  | cannot change it's brightness it blinks instead. The brightness | 
|  | value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means | 
|  | blink at 1Hz. | 
|  |  | 
|  | This module can drive the mail LED for the following notebooks: | 
|  |  | 
|  | Clevo D400P | 
|  | Clevo D410J | 
|  | Clevo D410V | 
|  | Clevo D400V/D470V (not tested, but might work) | 
|  | Clevo M540N | 
|  | Clevo M5x0N (not tested, but might work) | 
|  | Positivo Mobile (Clevo M5x0V) | 
|  |  | 
|  | If your model is not listed here you can try the "nodetect" | 
|  | module parameter. | 
|  |  | 
|  | To compile this driver as a module, choose M here: the | 
|  | module will be called leds-clevo-mail. | 
|  |  | 
|  | config LEDS_PCA955X | 
|  | tristate "LED Support for PCA955x I2C chips" | 
|  | depends on LEDS_CLASS | 
|  | depends on I2C | 
|  | help | 
|  | This option enables support for LEDs connected to PCA955x | 
|  | LED driver chips accessed via the I2C bus.  Supported | 
|  | devices include PCA9550, PCA9551, PCA9552, and PCA9553. | 
|  |  | 
|  | config LEDS_PCA9633 | 
|  | tristate "LED support for PCA9633 I2C chip" | 
|  | depends on LEDS_CLASS | 
|  | depends on I2C | 
|  | help | 
|  | This option enables support for LEDs connected to the PCA9633 | 
|  | LED driver chip accessed via the I2C bus. | 
|  |  | 
|  | config LEDS_WM831X_STATUS | 
|  | tristate "LED support for status LEDs on WM831x PMICs" | 
|  | depends on LEDS_CLASS | 
|  | depends on MFD_WM831X | 
|  | help | 
|  | This option enables support for the status LEDs of the WM831x | 
|  | series of PMICs. | 
|  |  | 
|  | config LEDS_WM8350 | 
|  | tristate "LED Support for WM8350 AudioPlus PMIC" | 
|  | depends on LEDS_CLASS | 
|  | depends on MFD_WM8350 | 
|  | help | 
|  | This option enables support for LEDs driven by the Wolfson | 
|  | Microelectronics WM8350 AudioPlus PMIC. | 
|  |  | 
|  | config LEDS_DA903X | 
|  | tristate "LED Support for DA9030/DA9034 PMIC" | 
|  | depends on LEDS_CLASS | 
|  | depends on PMIC_DA903X | 
|  | help | 
|  | This option enables support for on-chip LED drivers found | 
|  | on Dialog Semiconductor DA9030/DA9034 PMICs. | 
|  |  | 
|  | config LEDS_DA9052 | 
|  | tristate "Dialog DA9052/DA9053 LEDS" | 
|  | depends on LEDS_CLASS | 
|  | depends on PMIC_DA9052 | 
|  | help | 
|  | This option enables support for on-chip LED drivers found | 
|  | on Dialog Semiconductor DA9052-BC and DA9053-AA/Bx PMICs. | 
|  |  | 
|  | config LEDS_DAC124S085 | 
|  | tristate "LED Support for DAC124S085 SPI DAC" | 
|  | depends on LEDS_CLASS | 
|  | depends on SPI | 
|  | help | 
|  | This option enables support for DAC124S085 SPI DAC from NatSemi, | 
|  | which can be used to control up to four LEDs. | 
|  |  | 
|  | config LEDS_PWM | 
|  | tristate "PWM driven LED Support" | 
|  | depends on LEDS_CLASS | 
|  | depends on HAVE_PWM | 
|  | help | 
|  | This option enables support for pwm driven LEDs | 
|  |  | 
|  | config LEDS_REGULATOR | 
|  | tristate "REGULATOR driven LED support" | 
|  | depends on LEDS_CLASS | 
|  | depends on REGULATOR | 
|  | help | 
|  | This option enables support for regulator driven LEDs. | 
|  |  | 
|  | config LEDS_BD2802 | 
|  | tristate "LED driver for BD2802 RGB LED" | 
|  | depends on LEDS_CLASS | 
|  | depends on I2C | 
|  | help | 
|  | This option enables support for BD2802GU RGB LED driver chips | 
|  | accessed via the I2C bus. | 
|  |  | 
|  | config LEDS_INTEL_SS4200 | 
|  | tristate "LED driver for Intel NAS SS4200 series" | 
|  | depends on LEDS_CLASS | 
|  | depends on PCI && DMI | 
|  | help | 
|  | This option enables support for the Intel SS4200 series of | 
|  | Network Attached Storage servers.  You may control the hard | 
|  | drive or power LEDs on the front panel.  Using this driver | 
|  | can stop the front LED from blinking after startup. | 
|  |  | 
|  | config LEDS_LT3593 | 
|  | tristate "LED driver for LT3593 controllers" | 
|  | depends on LEDS_CLASS | 
|  | depends on GENERIC_GPIO | 
|  | help | 
|  | This option enables support for LEDs driven by a Linear Technology | 
|  | LT3593 controller. This controller uses a special one-wire pulse | 
|  | coding protocol to set the brightness. | 
|  |  | 
|  | config LEDS_ADP5520 | 
|  | tristate "LED Support for ADP5520/ADP5501 PMIC" | 
|  | depends on LEDS_CLASS | 
|  | depends on PMIC_ADP5520 | 
|  | help | 
|  | This option enables support for on-chip LED drivers found | 
|  | on Analog Devices ADP5520/ADP5501 PMICs. | 
|  |  | 
|  | To compile this driver as a module, choose M here: the module will | 
|  | be called leds-adp5520. | 
|  |  | 
|  | config LEDS_DELL_NETBOOKS | 
|  | tristate "External LED on Dell Business Netbooks" | 
|  | depends on LEDS_CLASS | 
|  | depends on X86 && ACPI_WMI | 
|  | help | 
|  | This adds support for the Latitude 2100 and similar | 
|  | notebooks that have an external LED. | 
|  |  | 
|  | config LEDS_MC13783 | 
|  | tristate "LED Support for MC13783 PMIC" | 
|  | depends on LEDS_CLASS | 
|  | depends on MFD_MC13783 | 
|  | help | 
|  | This option enable support for on-chip LED drivers found | 
|  | on Freescale Semiconductor MC13783 PMIC. | 
|  |  | 
|  | config LEDS_NS2 | 
|  | tristate "LED support for Network Space v2 GPIO LEDs" | 
|  | depends on LEDS_CLASS | 
|  | depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || \ | 
|  | MACH_NETSPACE_MAX_V2 || MACH_D2NET_V2 | 
|  | default y | 
|  | help | 
|  | This option enable support for the dual-GPIO LED found on the | 
|  | Network Space v2 board (and parents). This include Internet Space v2, | 
|  | Network Space (Max) v2 and d2 Network v2 boards. | 
|  |  | 
|  | config LEDS_NETXBIG | 
|  | tristate "LED support for Big Network series LEDs" | 
|  | depends on MACH_NET2BIG_V2 || MACH_NET5BIG_V2 | 
|  | depends on LEDS_CLASS | 
|  | default y | 
|  | help | 
|  | This option enable support for LEDs found on the LaCie 2Big | 
|  | and 5Big Network v2 boards. The LEDs are wired to a CPLD and are | 
|  | controlled through a GPIO extension bus. | 
|  |  | 
|  | config LEDS_ASIC3 | 
|  | bool "LED support for the HTC ASIC3" | 
|  | depends on LEDS_CLASS | 
|  | depends on MFD_ASIC3 | 
|  | default y | 
|  | help | 
|  | This option enables support for the LEDs on the HTC ASIC3. The HTC | 
|  | ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver | 
|  | cannot be used. This driver supports hardware blinking with an on+off | 
|  | period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700. | 
|  |  | 
|  | config LEDS_RENESAS_TPU | 
|  | bool "LED support for Renesas TPU" | 
|  | depends on LEDS_CLASS && HAVE_CLK && GENERIC_GPIO | 
|  | help | 
|  | This option enables build of the LED TPU platform driver, | 
|  | suitable to drive any TPU channel on newer Renesas SoCs. | 
|  | The driver controls the GPIO pin connected to the LED via | 
|  | the GPIO framework and expects the LED to be connected to | 
|  | a pin that can be driven in both GPIO mode and using TPU | 
|  | pin function. The latter to support brightness control. | 
|  | Brightness control is supported but hardware blinking is not. | 
|  |  | 
|  | config LEDS_TCA6507 | 
|  | tristate "LED Support for TCA6507 I2C chip" | 
|  | depends on LEDS_CLASS && I2C | 
|  | help | 
|  | This option enables support for LEDs connected to TC6507 | 
|  | LED driver chips accessed via the I2C bus. | 
|  | Driver support brightness control and hardware-assisted blinking. | 
|  |  | 
|  | config LEDS_MAX8997 | 
|  | tristate "LED support for MAX8997 PMIC" | 
|  | depends on LEDS_CLASS && MFD_MAX8997 | 
|  | help | 
|  | This option enables support for on-chip LED drivers on | 
|  | MAXIM MAX8997 PMIC. | 
|  |  | 
|  | config LEDS_OT200 | 
|  | tristate "LED support for the Bachmann OT200" | 
|  | depends on LEDS_CLASS && HAS_IOMEM | 
|  | help | 
|  | This option enables support for the LEDs on the Bachmann OT200. | 
|  | Say Y to enable LEDs on the Bachmann OT200. | 
|  |  | 
|  | config LEDS_TRIGGERS | 
|  | bool "LED Trigger support" | 
|  | depends on LEDS_CLASS | 
|  | help | 
|  | This option enables trigger support for the leds class. | 
|  | These triggers allow kernel events to drive the LEDs and can | 
|  | be configured via sysfs. If unsure, say Y. | 
|  |  | 
|  | comment "LED Triggers" | 
|  |  | 
|  | config LEDS_TRIGGER_TIMER | 
|  | tristate "LED Timer Trigger" | 
|  | depends on LEDS_TRIGGERS | 
|  | help | 
|  | This allows LEDs to be controlled by a programmable timer | 
|  | via sysfs. Some LED hardware can be programmed to start | 
|  | blinking the LED without any further software interaction. | 
|  | For more details read Documentation/leds/leds-class.txt. | 
|  |  | 
|  | If unsure, say Y. | 
|  |  | 
|  | config LEDS_TRIGGER_IDE_DISK | 
|  | bool "LED IDE Disk Trigger" | 
|  | depends on IDE_GD_ATA | 
|  | depends on LEDS_TRIGGERS | 
|  | help | 
|  | This allows LEDs to be controlled by IDE disk activity. | 
|  | If unsure, say Y. | 
|  |  | 
|  | config LEDS_TRIGGER_HEARTBEAT | 
|  | tristate "LED Heartbeat Trigger" | 
|  | depends on LEDS_TRIGGERS | 
|  | help | 
|  | This allows LEDs to be controlled by a CPU load average. | 
|  | The flash frequency is a hyperbolic function of the 1-minute | 
|  | load average. | 
|  | If unsure, say Y. | 
|  |  | 
|  | config LEDS_TRIGGER_BACKLIGHT | 
|  | tristate "LED backlight Trigger" | 
|  | depends on LEDS_TRIGGERS | 
|  | help | 
|  | This allows LEDs to be controlled as a backlight device: they | 
|  | turn off and on when the display is blanked and unblanked. | 
|  |  | 
|  | If unsure, say N. | 
|  |  | 
|  | config LEDS_TRIGGER_GPIO | 
|  | tristate "LED GPIO Trigger" | 
|  | depends on LEDS_TRIGGERS | 
|  | depends on GPIOLIB | 
|  | help | 
|  | This allows LEDs to be controlled by gpio events. It's good | 
|  | when using gpios as switches and triggering the needed LEDs | 
|  | from there. One use case is n810's keypad LEDs that could | 
|  | be triggered by this trigger when user slides up to show | 
|  | keypad. | 
|  |  | 
|  | If unsure, say N. | 
|  |  | 
|  | config LEDS_TRIGGER_DEFAULT_ON | 
|  | tristate "LED Default ON Trigger" | 
|  | depends on LEDS_TRIGGERS | 
|  | help | 
|  | This allows LEDs to be initialised in the ON state. | 
|  | If unsure, say Y. | 
|  |  | 
|  | comment "iptables trigger is under Netfilter config (LED target)" | 
|  | depends on LEDS_TRIGGERS | 
|  |  | 
|  | config LEDS_TRIGGER_TRANSIENT | 
|  | tristate "LED Transient Trigger" | 
|  | depends on LEDS_TRIGGERS | 
|  | help | 
|  | This allows one time activation of a transient state on | 
|  | GPIO/PWM based hadrware. | 
|  | If unsure, say Y. | 
|  |  | 
|  | endif # NEW_LEDS |