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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-13 08:01:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-13 08:01:19 -0800
commit1f0a53f623b675e856554f2bb1d6b630ea78125d (patch)
tree7c0fdaac3a433ec812413bd5c1149aaae66c2595 /Documentation/devicetree
parent20d5ba4928ceb79b919092c939ae4ef4d88807bd (diff)
parent44b3e31d540e917a4d2292b902ade63fa1748d9a (diff)
downloadlinux-1f0a53f623b675e856554f2bb1d6b630ea78125d.tar.bz2
Merge tag 'leds_for_4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski: - userspace LED class driver - it can be useful for testing triggers and can also be used to implement virtual LEDs - LED class driver for NIC78bx device - LED core fixes for preventing potential races while setting brightness when software blinking is enabled - improvements in LED documentation to mention semantics on changing brightness while trigger is active * tag 'leds_for_4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds: leds: pca955x: Add ACPI support leds: netxbig: fix module autoload for OF registration leds: pca963x: Add ACPI support leds: leds-cobalt-raq: use builtin_platform_driver led: core: Fix blink_brightness setting race led: core: Use atomic bit-field for the blink-flags leds: Add user LED driver for NIC78bx device leds: verify vendor and change license in mlxcpld driver leds: pca963x: enable low-power state leds: pca9532: Use default trigger value from platform data leds: pca963x: workaround group blink scaling issue cleanup LED documentation and make it match reality leds: lp3952: Export I2C module alias information for module autoload leds: mc13783: Fix MC13892 keypad led access ledtrig-cpu.c: fix english leds/leds-lp5523.txt: make documentation match reality tools/leds: Add uledmon program for monitoring userspace LEDs leds: Use macro for max device node name size leds: Introduce userspace LED class driver mfd: qcom-pm8xxx: Clean up PM8XXX namespace
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/leds/pca963x.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/leds/pca963x.txt b/Documentation/devicetree/bindings/leds/pca963x.txt
index dafbe9931c2b..dfbdb123a9bf 100644
--- a/Documentation/devicetree/bindings/leds/pca963x.txt
+++ b/Documentation/devicetree/bindings/leds/pca963x.txt
@@ -7,6 +7,9 @@ Optional properties:
- nxp,totem-pole : use totem pole (push-pull) instead of open-drain (pca9632 defaults
to open-drain, newer chips to totem pole)
- nxp,hw-blink : use hardware blinking instead of software blinking
+- nxp,period-scale : In some configurations, the chip blinks faster than expected.
+ This parameter provides a scaling ratio (fixed point, decimal divided
+ by 1000) to compensate, e.g. 1300=1.3x and 750=0.75x.
Each led is represented as a sub-node of the nxp,pca963x device.