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Diffstat (limited to 'drivers/leds/trigger/Kconfig')
-rw-r--r--drivers/leds/trigger/Kconfig91
1 files changed, 72 insertions, 19 deletions
diff --git a/drivers/leds/trigger/Kconfig b/drivers/leds/trigger/Kconfig
index 49794b47b51c..c11282a74b5a 100644
--- a/drivers/leds/trigger/Kconfig
+++ b/drivers/leds/trigger/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
menuconfig LEDS_TRIGGERS
bool "LED Trigger support"
depends on LEDS_CLASS
@@ -10,18 +11,16 @@ if LEDS_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.
+ For more details read Documentation/leds/leds-class.rst.
If unsure, say Y.
config LEDS_TRIGGER_ONESHOT
tristate "LED One-shot Trigger"
- depends on LEDS_TRIGGERS
help
This allows LEDs to blink in one-shot pulses with parameters
controlled via sysfs. It's useful to notify the user on
@@ -33,17 +32,22 @@ config LEDS_TRIGGER_ONESHOT
If unsure, say Y.
-config LEDS_TRIGGER_IDE_DISK
- bool "LED IDE Disk Trigger"
- depends on IDE_GD_ATA
- depends on LEDS_TRIGGERS
+config LEDS_TRIGGER_DISK
+ bool "LED Disk Trigger"
+ depends on ATA
help
- This allows LEDs to be controlled by IDE disk activity.
+ This allows LEDs to be controlled by disk activity.
If unsure, say Y.
+config LEDS_TRIGGER_MTD
+ bool "LED MTD (NAND/NOR) Trigger"
+ depends on MTD
+ help
+ This allows LEDs to be controlled by MTD activity.
+ If unsure, say N.
+
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
@@ -52,7 +56,6 @@ config LEDS_TRIGGER_HEARTBEAT
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.
@@ -61,7 +64,7 @@ config LEDS_TRIGGER_BACKLIGHT
config LEDS_TRIGGER_CPU
bool "LED CPU Trigger"
- depends on LEDS_TRIGGERS
+ depends on !PREEMPT_RT
help
This allows LEDs to be controlled by active CPUs. This shows
the active CPUs across an array of LEDs so you can see which
@@ -69,22 +72,26 @@ config LEDS_TRIGGER_CPU
If unsure, say N.
+config LEDS_TRIGGER_ACTIVITY
+ tristate "LED activity Trigger"
+ help
+ This allows LEDs to be controlled by an immediate CPU usage.
+ The flash frequency and duty cycle varies from faint flashes to
+ intense brightness depending on the instant CPU load.
+ If unsure, say N.
+
config LEDS_TRIGGER_GPIO
tristate "LED GPIO Trigger"
- depends on LEDS_TRIGGERS
- depends on GPIOLIB
+ depends on GPIOLIB || COMPILE_TEST
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.
+ from there. Triggers are defined as device properties.
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.
@@ -94,7 +101,6 @@ comment "iptables trigger is under Netfilter config (LED target)"
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 hardware.
@@ -102,10 +108,57 @@ config LEDS_TRIGGER_TRANSIENT
config LEDS_TRIGGER_CAMERA
tristate "LED Camera Flash/Torch Trigger"
- depends on LEDS_TRIGGERS
help
This allows LEDs to be controlled as a camera flash/torch device.
This enables direct flash/torch on/off by the driver, kernel space.
If unsure, say Y.
+config LEDS_TRIGGER_PANIC
+ bool "LED Panic Trigger"
+ help
+ This allows LEDs to be configured to blink on a kernel panic.
+ Enabling this option will allow to mark certain LEDs as panic indicators,
+ allowing to blink them on a kernel panic, even if they are set to
+ a different trigger.
+ If unsure, say Y.
+
+config LEDS_TRIGGER_NETDEV
+ tristate "LED Netdev Trigger"
+ depends on NET
+ help
+ This allows LEDs to be controlled by network device activity.
+ If unsure, say Y.
+
+config LEDS_TRIGGER_PATTERN
+ tristate "LED Pattern Trigger"
+ help
+ This allows LEDs to be controlled by a software or hardware pattern
+ which is a series of tuples, of brightness and duration (ms).
+ If unsure, say N
+
+config LEDS_TRIGGER_TTY
+ tristate "LED Trigger for TTY devices"
+ depends on TTY
+ help
+ This allows LEDs to be controlled by activity on ttys which includes
+ serial devices like /dev/ttyS0.
+
+ When build as a module this driver will be called ledtrig-tty.
+
+config LEDS_TRIGGER_INPUT_EVENTS
+ tristate "LED Input events trigger"
+ depends on INPUT
+ help
+ Turn LEDs on when there is input (/dev/input/event*) activity and turn
+ them back off again after there has been no activity for 5 seconds.
+
+ This is primarily intended to control LEDs which are a backlight for
+ capacitive touch-buttons, such as e.g. the menu / home / back buttons
+ found on the bottom bezel of many older smartphones and tablets.
+
+ This can also be used to turn on the keyboard backlight LED on
+ input events and turn the keyboard backlight off again when idle.
+
+ When build as a module this driver will be called ledtrig-input-events.
+
endif # LEDS_TRIGGERS