xref: /linux/drivers/leds/Kconfig (revision ec1496193d53ebd8d79cdf1d6d7d4970ef342af2)
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_S3C24XX
35	tristate "LED Support for Samsung S3C24XX GPIO LEDs"
36	depends on LEDS_CLASS && ARCH_S3C2410
37	help
38	  This option enables support for LEDs connected to GPIO lines
39	  on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
40
41config LEDS_AMS_DELTA
42	tristate "LED Support for the Amstrad Delta (E3)"
43	depends on LEDS_CLASS && MACH_AMS_DELTA
44	help
45	  This option enables support for the LEDs on Amstrad Delta (E3).
46
47config LEDS_NET48XX
48	tristate "LED Support for Soekris net48xx series Error LED"
49	depends on LEDS_CLASS && SCx200_GPIO
50	help
51	  This option enables support for the Soekris net4801 and net4826 error
52	  LED.
53
54config LEDS_FSG
55	tristate "LED Support for the Freecom FSG-3"
56	depends on LEDS_CLASS && MACH_FSG
57	help
58	  This option enables support for the LEDs on the Freecom FSG-3.
59
60config LEDS_WRAP
61	tristate "LED Support for the WRAP series LEDs"
62	depends on LEDS_CLASS && SCx200_GPIO
63	help
64	  This option enables support for the PCEngines WRAP programmable LEDs.
65
66config LEDS_ALIX2
67	tristate "LED Support for ALIX.2 and ALIX.3 series"
68	depends on LEDS_CLASS && X86 && EXPERIMENTAL
69	help
70	  This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
71
72config LEDS_H1940
73	tristate "LED Support for iPAQ H1940 device"
74	depends on LEDS_CLASS && ARCH_H1940
75	help
76	  This option enables support for the LEDs on the h1940.
77
78config LEDS_COBALT_QUBE
79	tristate "LED Support for the Cobalt Qube series front LED"
80	depends on LEDS_CLASS && MIPS_COBALT
81	help
82	  This option enables support for the front LED on Cobalt Qube series
83
84config LEDS_COBALT_RAQ
85	bool "LED Support for the Cobalt Raq series"
86	depends on LEDS_CLASS=y && MIPS_COBALT
87	select LEDS_TRIGGERS
88	help
89	  This option enables support for the Cobalt Raq series LEDs.
90
91config LEDS_SUNFIRE
92	tristate "LED support for SunFire servers."
93	depends on LEDS_CLASS && SPARC64
94	select LEDS_TRIGGERS
95	help
96	  This option enables support for the Left, Middle, and Right
97	  LEDs on the I/O and CPU boards of SunFire UltraSPARC servers.
98
99config LEDS_HP6XX
100	tristate "LED Support for the HP Jornada 6xx"
101	depends on LEDS_CLASS && SH_HP6XX
102	help
103	  This option enables led support for the handheld
104	  HP Jornada 620/660/680/690.
105
106config LEDS_PCA9532
107	tristate "LED driver for PCA9532 dimmer"
108	depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
109	help
110	  This option enables support for NXP pca9532
111	  led controller. It is generally only usefull
112	  as a platform driver
113
114config LEDS_GPIO
115	tristate "LED Support for GPIO connected LEDs"
116	depends on LEDS_CLASS && GENERIC_GPIO
117	help
118	  This option enables support for the LEDs connected to GPIO
119	  outputs. To be useful the particular board must have LEDs
120	  and they must be connected to the GPIO lines.
121
122config LEDS_HP_DISK
123	tristate "LED Support for disk protection LED on HP notebooks"
124	depends on LEDS_CLASS && ACPI
125	help
126	  This option enable support for disk protection LED, found on
127	  newer HP notebooks.
128
129config LEDS_CLEVO_MAIL
130	tristate "Mail LED on Clevo notebook (EXPERIMENTAL)"
131	depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI && EXPERIMENTAL
132	help
133	  This driver makes the mail LED accessible from userspace
134	  programs through the leds subsystem. This LED have three
135	  known mode: off, blink at 0.5Hz and blink at 1Hz.
136
137	  The driver supports two kinds of interface: using ledtrig-timer
138	  or through /sys/class/leds/clevo::mail/brightness. As this LED
139	  cannot change it's brightness it blinks instead. The brightness
140	  value 0 means off, 1..127 means blink at 0.5Hz and 128..255 means
141	  blink at 1Hz.
142
143	  This module can drive the mail LED for the following notebooks:
144
145	  	Clevo D400P
146	  	Clevo D410J
147	  	Clevo D410V
148	  	Clevo D400V/D470V (not tested, but might work)
149	  	Clevo M540N
150	  	Clevo M5x0N (not tested, but might work)
151	  	Positivo Mobile (Clevo M5x0V)
152
153	  If your model is not listed here you can try the "nodetect"
154	  module paramter.
155
156	  To compile this driver as a module, choose M here: the
157	  module will be called leds-clevo-mail.
158
159config LEDS_PCA955X
160	tristate "LED Support for PCA955x I2C chips"
161	depends on LEDS_CLASS && I2C
162	help
163	  This option enables support for LEDs connected to PCA955x
164	  LED driver chips accessed via the I2C bus.  Supported
165	  devices include PCA9550, PCA9551, PCA9552, and PCA9553.
166
167config LEDS_DA903X
168	tristate "LED Support for DA9030/DA9034 PMIC"
169	depends on LEDS_CLASS && PMIC_DA903X
170	help
171	  This option enables support for on-chip LED drivers found
172	  on Dialog Semiconductor DA9030/DA9034 PMICs.
173
174comment "LED Triggers"
175
176config LEDS_TRIGGERS
177	bool "LED Trigger support"
178	help
179	  This option enables trigger support for the leds class.
180	  These triggers allow kernel events to drive the LEDs and can
181	  be configured via sysfs. If unsure, say Y.
182
183config LEDS_TRIGGER_TIMER
184	tristate "LED Timer Trigger"
185	depends on LEDS_TRIGGERS
186	help
187	  This allows LEDs to be controlled by a programmable timer
188	  via sysfs. Some LED hardware can be programmed to start
189	  blinking the LED without any further software interaction.
190	  For more details read Documentation/leds-class.txt.
191
192	  If unsure, say Y.
193
194config LEDS_TRIGGER_IDE_DISK
195	bool "LED IDE Disk Trigger"
196	depends on LEDS_TRIGGERS && IDE_GD_ATA
197	help
198	  This allows LEDs to be controlled by IDE disk activity.
199	  If unsure, say Y.
200
201config LEDS_TRIGGER_HEARTBEAT
202	tristate "LED Heartbeat Trigger"
203	depends on LEDS_TRIGGERS
204	help
205	  This allows LEDs to be controlled by a CPU load average.
206	  The flash frequency is a hyperbolic function of the 1-minute
207	  load average.
208	  If unsure, say Y.
209
210config LEDS_TRIGGER_BACKLIGHT
211	tristate "LED backlight Trigger"
212	depends on LEDS_TRIGGERS
213	help
214	  This allows LEDs to be controlled as a backlight device: they
215	  turn off and on when the display is blanked and unblanked.
216
217	  If unsure, say N.
218
219config LEDS_TRIGGER_DEFAULT_ON
220	tristate "LED Default ON Trigger"
221	depends on LEDS_TRIGGERS
222	help
223	  This allows LEDs to be initialised in the ON state.
224	  If unsure, say Y.
225
226endif # NEW_LEDS
227