blob: c957c344233f4ed283df710222492f1ee38d9bf0 [file] [log] [blame]
Uwe Kleine-Königbe5ce2f2011-06-15 15:08:31 -07001config 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
Jan Engelhardt66242f72007-05-10 10:44:11 +01008menuconfig NEW_LEDS
Richard Purdiec72a1d62006-03-31 02:31:04 -08009 bool "LED Support"
10 help
Richard Purdiea8d2e7d2006-05-15 09:44:14 -070011 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.
Richard Purdiec72a1d62006-03-31 02:31:04 -080016
Eric Miao45d16f02011-06-15 15:08:40 -070017if NEW_LEDS
18
Richard Purdiec72a1d62006-03-31 02:31:04 -080019config LEDS_CLASS
Johannes Berg5ada28b2010-11-11 14:05:21 -080020 bool "LED Class Support"
Richard Purdiec72a1d62006-03-31 02:31:04 -080021 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
Ben Dooks24f51e82006-04-10 22:54:01 -070025comment "LED drivers"
Richard Purdiec3bc9952006-03-31 02:31:05 -080026
Haojian Zhuang0a2f9152010-01-06 17:10:09 -050027config LEDS_88PM860X
28 tristate "LED Support for Marvell 88PM860x PMIC"
Johannes Berg0bae35e2010-12-02 14:31:14 -080029 depends on LEDS_CLASS
Richard Purdie37814fd2010-05-27 13:08:33 +010030 depends on MFD_88PM860X
Haojian Zhuang0a2f9152010-01-06 17:10:09 -050031 help
32 This option enables support for on-chip LED drivers found on Marvell
33 Semiconductor 88PM8606 PMIC.
34
David Brownellde5c9ed2008-02-08 04:21:22 -080035config LEDS_ATMEL_PWM
36 tristate "LED Support using Atmel PWM outputs"
Johannes Berg0bae35e2010-12-02 14:31:14 -080037 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -070038 depends on ATMEL_PWM
David Brownellde5c9ed2008-02-08 04:21:22 -080039 help
40 This option enables support for LEDs driven using outputs
41 of the dedicated PWM controller found on newer Atmel SOCs.
42
Shreshtha Kumar Sahub1e6b702011-03-22 16:30:16 -070043config 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
Richard Purdie4d3cb352006-03-31 02:31:10 -080053config LEDS_LOCOMO
54 tristate "LED Support for Locomo device"
Johannes Berg0bae35e2010-12-02 14:31:14 -080055 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -070056 depends on SHARP_LOCOMO
Richard Purdie4d3cb352006-03-31 02:31:10 -080057 help
58 This option enables support for the LEDs on Sharp Locomo.
59 Zaurus models SL-5500 and SL-5600.
60
Phil Sutterac67e232009-01-22 19:35:48 +010061config LEDS_MIKROTIK_RB532
62 tristate "LED Support for Mikrotik Routerboard 532"
Johannes Berg0bae35e2010-12-02 14:31:14 -080063 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -070064 depends on MIKROTIK_RB532
Phil Sutterac67e232009-01-22 19:35:48 +010065 help
66 This option enables support for the so called "User LED" of
67 Mikrotik's Routerboard 532.
68
Ben Dooks54bdc472006-04-10 22:54:00 -070069config LEDS_S3C24XX
70 tristate "LED Support for Samsung S3C24XX GPIO LEDs"
Johannes Berg0bae35e2010-12-02 14:31:14 -080071 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -070072 depends on ARCH_S3C2410
Ben Dooks54bdc472006-04-10 22:54:00 -070073 help
74 This option enables support for LEDs connected to GPIO lines
75 on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
76
Jonathan McDowell9becde72006-06-23 02:05:33 -070077config LEDS_AMS_DELTA
78 tristate "LED Support for the Amstrad Delta (E3)"
Johannes Berg0bae35e2010-12-02 14:31:14 -080079 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -070080 depends on MACH_AMS_DELTA
Jonathan McDowell9becde72006-06-23 02:05:33 -070081 help
82 This option enables support for the LEDs on Amstrad Delta (E3).
83
Chris Boot1a87d942006-07-10 04:45:34 -070084config LEDS_NET48XX
85 tristate "LED Support for Soekris net48xx series Error LED"
Johannes Berg0bae35e2010-12-02 14:31:14 -080086 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -070087 depends on SCx200_GPIO
Chris Boot1a87d942006-07-10 04:45:34 -070088 help
89 This option enables support for the Soekris net4801 and net4826 error
90 LED.
91
Bjarke Istrup Pedersen14e40f62010-05-24 12:15:56 -070092config LEDS_NET5501
93 tristate "LED Support for Soekris net5501 series Error LED"
Richard Purdie37814fd2010-05-27 13:08:33 +010094 depends on LEDS_TRIGGERS
Shawn Guo2bcc7ed2011-05-31 16:23:43 +080095 depends on X86 && GPIO_CS5535
Bjarke Istrup Pedersen14e40f62010-05-24 12:15:56 -070096 select LEDS_TRIGGER_DEFAULT_ON
97 default n
98 help
99 Add support for the Soekris net5501 board (detection, error led
100 and GPIO).
101
Rod Whitby3b2e46f2008-04-24 23:43:09 +0100102config LEDS_FSG
103 tristate "LED Support for the Freecom FSG-3"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800104 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700105 depends on MACH_FSG
Rod Whitby3b2e46f2008-04-24 23:43:09 +0100106 help
107 This option enables support for the LEDs on the Freecom FSG-3.
108
Kristian Kielhofner0d755652006-12-06 20:37:28 -0800109config LEDS_WRAP
110 tristate "LED Support for the WRAP series LEDs"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800111 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700112 depends on SCx200_GPIO
Kristian Kielhofner0d755652006-12-06 20:37:28 -0800113 help
114 This option enables support for the PCEngines WRAP programmable LEDs.
115
Yoichi Yuasaf3b6b6c2007-09-21 00:02:47 +0100116config LEDS_COBALT_QUBE
117 tristate "LED Support for the Cobalt Qube series front LED"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800118 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700119 depends on MIPS_COBALT
Florian Fainelli2fea6f32007-02-12 23:16:27 +0000120 help
Yoichi Yuasaf3b6b6c2007-09-21 00:02:47 +0100121 This option enables support for the front LED on Cobalt Qube series
Florian Fainelli2fea6f32007-02-12 23:16:27 +0000122
Yoichi Yuasa97da7aa2007-09-27 17:51:05 +0900123config LEDS_COBALT_RAQ
124 bool "LED Support for the Cobalt Raq series"
Yoichi Yuasaec149612008-12-03 08:09:28 +0000125 depends on LEDS_CLASS=y && MIPS_COBALT
Yoichi Yuasa97da7aa2007-09-27 17:51:05 +0900126 select LEDS_TRIGGERS
127 help
128 This option enables support for the Cobalt Raq series LEDs.
129
David S. Miller58434922008-08-31 20:26:48 -0700130config LEDS_SUNFIRE
131 tristate "LED support for SunFire servers."
Johannes Berg0bae35e2010-12-02 14:31:14 -0800132 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700133 depends on SPARC64
David S. Miller58434922008-08-31 20:26:48 -0700134 select LEDS_TRIGGERS
135 help
136 This option enables support for the Left, Middle, and Right
137 LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
138
Kristoffer Ericsond39a7a62008-02-07 10:10:28 +0000139config LEDS_HP6XX
140 tristate "LED Support for the HP Jornada 6xx"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800141 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700142 depends on SH_HP6XX
Kristoffer Ericsond39a7a62008-02-07 10:10:28 +0000143 help
Matt LaPlante692105b2009-01-26 11:12:25 +0100144 This option enables LED support for the handheld
Kristoffer Ericsond39a7a62008-02-07 10:10:28 +0000145 HP Jornada 620/660/680/690.
146
Riku Voipioe14fa822008-05-31 14:43:41 +0100147config LEDS_PCA9532
148 tristate "LED driver for PCA9532 dimmer"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800149 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700150 depends on I2C && INPUT && EXPERIMENTAL
Riku Voipioe14fa822008-05-31 14:43:41 +0100151 help
152 This option enables support for NXP pca9532
Matt LaPlante692105b2009-01-26 11:12:25 +0100153 LED controller. It is generally only useful
Riku Voipioe14fa822008-05-31 14:43:41 +0100154 as a platform driver
155
Joachim Eastwood3c1ab502011-05-24 17:13:23 -0700156config LEDS_PCA9532_GPIO
157 bool "Enable GPIO support for PCA9532"
158 depends on LEDS_PCA9532
159 depends on GPIOLIB
160 help
161 Allow unused pins on PCA9532 to be used as gpio.
162
163 To use a pin as gpio pca9532_type in pca9532_platform data needs to
164 set to PCA9532_TYPE_GPIO.
165
Raphael Assenat22e03f32007-02-27 19:49:53 +0000166config LEDS_GPIO
167 tristate "LED Support for GPIO connected LEDs"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800168 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700169 depends on GENERIC_GPIO
Raphael Assenat22e03f32007-02-27 19:49:53 +0000170 help
171 This option enables support for the LEDs connected to GPIO
172 outputs. To be useful the particular board must have LEDs
Trent Piephoa7d878a2009-01-10 17:26:01 +0000173 and they must be connected to the GPIO lines. The LEDs must be
174 defined as platform devices and/or OpenFirmware platform devices.
175 The code to use these bindings can be selected below.
176
Antonio Ospite5054d392009-06-19 13:55:42 +0200177config LEDS_LP3944
178 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800179 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700180 depends on I2C
Antonio Ospite5054d392009-06-19 13:55:42 +0200181 help
Antonio Ospite7f1be812009-07-03 16:18:45 +0200182 This option enables support for LEDs connected to the National
183 Semiconductor LP3944 Lighting Management Unit (LMU) also known as
184 Fun Light Chip.
Antonio Ospite5054d392009-06-19 13:55:42 +0200185
186 To compile this driver as a module, choose M here: the
187 module will be called leds-lp3944.
188
Samu Onkalof4920f62010-11-11 14:05:23 -0800189config LEDS_LP5521
190 tristate "LED Support for N.S. LP5521 LED driver chip"
191 depends on LEDS_CLASS && I2C
192 help
193 If you say yes here you get support for the National Semiconductor
194 LP5521 LED driver. It is 3 channel chip with programmable engines.
195 Driver provides direct control via LED class and interface for
196 programming the engines.
197
198config LEDS_LP5523
199 tristate "LED Support for N.S. LP5523 LED driver chip"
200 depends on LEDS_CLASS && I2C
201 help
202 If you say yes here you get support for the National Semiconductor
203 LP5523 LED driver. It is 9 channel chip with programmable engines.
204 Driver provides direct control via LED class and interface for
205 programming the engines.
206
Márton Némethcec035d2007-10-31 11:46:41 +0100207config LEDS_CLEVO_MAIL
Németh Márton95dc5762009-04-03 07:42:47 +0200208 tristate "Mail LED on Clevo notebook"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800209 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700210 depends on X86 && SERIO_I8042 && DMI
Márton Némethcec035d2007-10-31 11:46:41 +0100211 help
212 This driver makes the mail LED accessible from userspace
213 programs through the leds subsystem. This LED have three
214 known mode: off, blink at 0.5Hz and blink at 1Hz.
215
Márton Németh92e015c2007-10-31 15:09:05 +0100216 The driver supports two kinds of interface: using ledtrig-timer
217 or through /sys/class/leds/clevo::mail/brightness. As this LED
218 cannot change it's brightness it blinks instead. The brightness
219 value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
220 blink at 1Hz.
Márton Némethcec035d2007-10-31 11:46:41 +0100221
222 This module can drive the mail LED for the following notebooks:
223
Mrton Nmethb3ba31f2008-03-09 20:47:59 +0000224 Clevo D400P
Márton Némethcec035d2007-10-31 11:46:41 +0100225 Clevo D410J
226 Clevo D410V
227 Clevo D400V/D470V (not tested, but might work)
228 Clevo M540N
229 Clevo M5x0N (not tested, but might work)
230 Positivo Mobile (Clevo M5x0V)
231
Mrton Nmethb3ba31f2008-03-09 20:47:59 +0000232 If your model is not listed here you can try the "nodetect"
Matt LaPlante692105b2009-01-26 11:12:25 +0100233 module parameter.
Mrton Nmethb3ba31f2008-03-09 20:47:59 +0000234
Márton Némethcec035d2007-10-31 11:46:41 +0100235 To compile this driver as a module, choose M here: the
236 module will be called leds-clevo-mail.
237
Nate Casef46e9202008-07-16 22:49:55 +0100238config LEDS_PCA955X
239 tristate "LED Support for PCA955x I2C chips"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800240 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700241 depends on I2C
Nate Casef46e9202008-07-16 22:49:55 +0100242 help
243 This option enables support for LEDs connected to PCA955x
244 LED driver chips accessed via the I2C bus. Supported
245 devices include PCA9550, PCA9551, PCA9552, and PCA9553.
246
Mark Brownc746b552009-09-05 14:09:21 +0100247config LEDS_WM831X_STATUS
248 tristate "LED support for status LEDs on WM831x PMICs"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800249 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700250 depends on MFD_WM831X
Mark Brownc746b552009-09-05 14:09:21 +0100251 help
252 This option enables support for the status LEDs of the WM831x
253 series of PMICs.
254
Mark Brown0081e802008-12-04 16:52:33 +0000255config LEDS_WM8350
256 tristate "LED Support for WM8350 AudioPlus PMIC"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800257 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700258 depends on MFD_WM8350
Mark Brown0081e802008-12-04 16:52:33 +0000259 help
260 This option enables support for LEDs driven by the Wolfson
261 Microelectronics WM8350 AudioPlus PMIC.
262
Mike Rapoport9e845612008-10-13 09:06:10 +0100263config LEDS_DA903X
264 tristate "LED Support for DA9030/DA9034 PMIC"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800265 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700266 depends on PMIC_DA903X
Mike Rapoport9e845612008-10-13 09:06:10 +0100267 help
268 This option enables support for on-chip LED drivers found
269 on Dialog Semiconductor DA9030/DA9034 PMICs.
270
Guennadi Liakhovetskiac2dd0f2009-01-10 18:58:28 +0000271config LEDS_DAC124S085
272 tristate "LED Support for DAC124S085 SPI DAC"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800273 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700274 depends on SPI
Guennadi Liakhovetskiac2dd0f2009-01-10 18:58:28 +0000275 help
276 This option enables support for DAC124S085 SPI DAC from NatSemi,
277 which can be used to control up to four LEDs.
278
Luotao Fu41c42ff2009-02-11 13:24:40 -0800279config LEDS_PWM
280 tristate "PWM driven LED Support"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800281 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700282 depends on HAVE_PWM
Luotao Fu41c42ff2009-02-11 13:24:40 -0800283 help
284 This option enables support for pwm driven LEDs
285
Antonio Ospited4cc6a22009-12-07 15:08:13 +0100286config LEDS_REGULATOR
287 tristate "REGULATOR driven LED support"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800288 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700289 depends on REGULATOR
Antonio Ospited4cc6a22009-12-07 15:08:13 +0100290 help
291 This option enables support for regulator driven LEDs.
292
Kim Kyuwon0b561292009-03-04 11:59:29 -0800293config LEDS_BD2802
294 tristate "LED driver for BD2802 RGB LED"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800295 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700296 depends on I2C
Kim Kyuwon0b561292009-03-04 11:59:29 -0800297 help
298 This option enables support for BD2802GU RGB LED driver chips
299 accessed via the I2C bus.
300
Dave Hansena328e952009-10-01 15:43:32 -0700301config LEDS_INTEL_SS4200
302 tristate "LED driver for Intel NAS SS4200 series"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800303 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700304 depends on PCI && DMI
Dave Hansena328e952009-10-01 15:43:32 -0700305 help
306 This option enables support for the Intel SS4200 series of
307 Network Attached Storage servers. You may control the hard
308 drive or power LEDs on the front panel. Using this driver
309 can stop the front LED from blinking after startup.
310
Daniel Macka8dd18f2009-10-15 02:59:35 +0200311config LEDS_LT3593
312 tristate "LED driver for LT3593 controllers"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800313 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700314 depends on GENERIC_GPIO
Daniel Macka8dd18f2009-10-15 02:59:35 +0200315 help
316 This option enables support for LEDs driven by a Linear Technology
317 LT3593 controller. This controller uses a special one-wire pulse
318 coding protocol to set the brightness.
319
Michael Henneriched4a10b2009-10-08 04:00:19 -0400320config LEDS_ADP5520
321 tristate "LED Support for ADP5520/ADP5501 PMIC"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800322 depends on LEDS_CLASS
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700323 depends on PMIC_ADP5520
Michael Henneriched4a10b2009-10-08 04:00:19 -0400324 help
325 This option enables support for on-chip LED drivers found
326 on Analog Devices ADP5520/ADP5501 PMICs.
327
328 To compile this driver as a module, choose M here: the module will
329 be called leds-adp5520.
330
Bob Rodgers72dcd8d2010-02-17 15:23:31 -0600331config LEDS_DELL_NETBOOKS
332 tristate "External LED on Dell Business Netbooks"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800333 depends on LEDS_CLASS
Bob Rodgers72dcd8d2010-02-17 15:23:31 -0600334 depends on X86 && ACPI_WMI
335 help
336 This adds support for the Latitude 2100 and similar
337 notebooks that have an external LED.
338
Philippe Rétornaz7fdcef82010-05-19 09:24:31 +0200339config LEDS_MC13783
340 tristate "LED Support for MC13783 PMIC"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800341 depends on LEDS_CLASS
Philippe Rétornaz7fdcef82010-05-19 09:24:31 +0200342 depends on MFD_MC13783
343 help
344 This option enable support for on-chip LED drivers found
345 on Freescale Semiconductor MC13783 PMIC.
346
Simon Guinot11efe712010-07-06 16:08:46 +0200347config LEDS_NS2
348 tristate "LED support for Network Space v2 GPIO LEDs"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800349 depends on LEDS_CLASS
Paul Bolleb12e2c12011-11-23 12:25:42 +0100350 depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || \
351 MACH_NETSPACE_MAX_V2 || MACH_D2NET_V2
Simon Guinot11efe712010-07-06 16:08:46 +0200352 default y
353 help
354 This option enable support for the dual-GPIO LED found on the
355 Network Space v2 board (and parents). This include Internet Space v2,
356 Network Space (Max) v2 and d2 Network v2 boards.
357
Simon Guinot24467832010-10-07 16:38:49 +0200358config LEDS_NETXBIG
359 tristate "LED support for Big Network series LEDs"
360 depends on MACH_NET2BIG_V2 || MACH_NET5BIG_V2
Axel Lin2504f6d2011-07-25 17:13:16 -0700361 depends on LEDS_CLASS
Simon Guinot24467832010-10-07 16:38:49 +0200362 default y
363 help
364 This option enable support for LEDs found on the LaCie 2Big
365 and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
366 controlled through a GPIO extension bus.
367
Paul Parsons7d9e7e92011-05-13 18:52:56 +0000368config LEDS_ASIC3
369 bool "LED support for the HTC ASIC3"
Axel Lin9d8f7762011-06-15 15:08:31 -0700370 depends on LEDS_CLASS
Paul Parsons7d9e7e92011-05-13 18:52:56 +0000371 depends on MFD_ASIC3
372 default y
373 help
374 This option enables support for the LEDs on the HTC ASIC3. The HTC
375 ASIC3 LED GPIOs are inputs, not outputs, thus the leds-gpio driver
376 cannot be used. This driver supports hardware blinking with an on+off
377 period from 62ms to 125s. Say Y to enable LEDs on the HP iPAQ hx4700.
378
Magnus Dammf59b6f92011-10-31 17:11:55 -0700379config LEDS_RENESAS_TPU
380 bool "LED support for Renesas TPU"
381 depends on LEDS_CLASS && HAVE_CLK && GENERIC_GPIO
382 help
383 This option enables build of the LED TPU platform driver,
384 suitable to drive any TPU channel on newer Renesas SoCs.
385 The driver controls the GPIO pin connected to the LED via
386 the GPIO framework and expects the LED to be connected to
387 a pin that can be driven in both GPIO mode and using TPU
388 pin function. The latter to support brightness control.
389 Brightness control is supported but hardware blinking is not.
390
NeilBrowna6d511e2012-01-10 15:09:40 -0800391config LEDS_TCA6507
392 tristate "LED Support for TCA6507 I2C chip"
393 depends on LEDS_CLASS && I2C
394 help
395 This option enables support for LEDs connected to TC6507
396 LED driver chips accessed via the I2C bus.
397 Driver support brightness control and hardware-assisted blinking.
398
Donggeun Kim8584cb82011-12-14 18:23:56 +0900399config LEDS_MAX8997
400 tristate "LED support for MAX8997 PMIC"
401 depends on LEDS_CLASS && MFD_MAX8997
402 help
403 This option enables support for on-chip LED drivers on
404 MAXIM MAX8997 PMIC.
405
Ben Dooks24f51e82006-04-10 22:54:01 -0700406config LEDS_TRIGGERS
407 bool "LED Trigger support"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800408 depends on LEDS_CLASS
Ben Dooks24f51e82006-04-10 22:54:01 -0700409 help
410 This option enables trigger support for the leds class.
411 These triggers allow kernel events to drive the LEDs and can
412 be configured via sysfs. If unsure, say Y.
413
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700414comment "LED Triggers"
415
Richard Purdie6655c6f2006-03-31 02:31:07 -0800416config LEDS_TRIGGER_TIMER
417 tristate "LED Timer Trigger"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800418 depends on LEDS_TRIGGERS
Richard Purdie6655c6f2006-03-31 02:31:07 -0800419 help
420 This allows LEDs to be controlled by a programmable timer
Márton Németh4c791412007-10-31 15:07:12 +0100421 via sysfs. Some LED hardware can be programmed to start
422 blinking the LED without any further software interaction.
Paul Bolle395cf962011-08-15 02:02:26 +0200423 For more details read Documentation/leds/leds-class.txt.
Márton Németh4c791412007-10-31 15:07:12 +0100424
425 If unsure, say Y.
Richard Purdie6655c6f2006-03-31 02:31:07 -0800426
Richard Purdie2bfb6462006-03-31 02:31:16 -0800427config LEDS_TRIGGER_IDE_DISK
Ben Dooksbaa351e2006-04-10 22:54:01 -0700428 bool "LED IDE Disk Trigger"
H Hartley Sweetend09e1662010-01-20 16:08:30 -0700429 depends on IDE_GD_ATA
Johannes Berg0bae35e2010-12-02 14:31:14 -0800430 depends on LEDS_TRIGGERS
Richard Purdie2bfb6462006-03-31 02:31:16 -0800431 help
432 This allows LEDs to be controlled by IDE disk activity.
433 If unsure, say Y.
434
Atsushi Nemoto891c6682006-06-25 05:49:15 -0700435config LEDS_TRIGGER_HEARTBEAT
436 tristate "LED Heartbeat Trigger"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800437 depends on LEDS_TRIGGERS
Atsushi Nemoto891c6682006-06-25 05:49:15 -0700438 help
439 This allows LEDs to be controlled by a CPU load average.
440 The flash frequency is a hyperbolic function of the 1-minute
441 load average.
442 If unsure, say Y.
443
Rodolfo Giometti132e9302008-10-13 09:25:24 +0100444config LEDS_TRIGGER_BACKLIGHT
445 tristate "LED backlight Trigger"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800446 depends on LEDS_TRIGGERS
Rodolfo Giometti132e9302008-10-13 09:25:24 +0100447 help
448 This allows LEDs to be controlled as a backlight device: they
449 turn off and on when the display is blanked and unblanked.
450
451 If unsure, say N.
452
Felipe Balbi17354bf2009-02-17 13:18:11 +0200453config LEDS_TRIGGER_GPIO
454 tristate "LED GPIO Trigger"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800455 depends on LEDS_TRIGGERS
Felipe Balbi17354bf2009-02-17 13:18:11 +0200456 depends on GPIOLIB
457 help
458 This allows LEDs to be controlled by gpio events. It's good
459 when using gpios as switches and triggering the needed LEDs
460 from there. One use case is n810's keypad LEDs that could
461 be triggered by this trigger when user slides up to show
462 keypad.
463
464 If unsure, say N.
465
Nick Forbes060856c2008-04-25 00:06:52 +0100466config LEDS_TRIGGER_DEFAULT_ON
467 tristate "LED Default ON Trigger"
Johannes Berg0bae35e2010-12-02 14:31:14 -0800468 depends on LEDS_TRIGGERS
Nick Forbes060856c2008-04-25 00:06:52 +0100469 help
470 This allows LEDs to be initialised in the ON state.
471 If unsure, say Y.
472
Adam Nielsen268cb382009-02-20 10:55:14 +0100473comment "iptables trigger is under Netfilter config (LED target)"
474 depends on LEDS_TRIGGERS
475
Jan Engelhardt66242f72007-05-10 10:44:11 +0100476endif # NEW_LEDS