From fc19967bcb8f1ab49594191ee0d352d763dc170e Mon Sep 17 00:00:00 2001 From: Oleh Kravchenko Date: Thu, 19 Sep 2019 15:53:13 +0300 Subject: leds: add LED driver for EL15203000 board This patch adds a LED class driver for the LEDs found on the Crane Merchandising System EL15203000 LEDs board (aka RED LEDs board). Signed-off-by: Oleh Kravchenko Reviewed-by: Dan Murphy Signed-off-by: Pavel Machek --- .../ABI/testing/sysfs-class-led-driver-el15203000 | 139 +++++++++++++++++++++ 1 file changed, 139 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-led-driver-el15203000 (limited to 'Documentation/ABI') diff --git a/Documentation/ABI/testing/sysfs-class-led-driver-el15203000 b/Documentation/ABI/testing/sysfs-class-led-driver-el15203000 new file mode 100644 index 000000000000..f520ece9b64c --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-led-driver-el15203000 @@ -0,0 +1,139 @@ +What: /sys/class/leds//hw_pattern +Date: September 2019 +KernelVersion: 5.5 +Description: + Specify a hardware pattern for the EL15203000 LED. + The LEDs board supports only predefined patterns by firmware + for specific LEDs. + + Breathing mode for Screen frame light tube: + "0 4000 1 4000" + + ^ + | + Max-| --- + | / \ + | / \ + | / \ / + | / \ / + Min-|- --- + | + 0------4------8--> time (sec) + + Cascade mode for Pipe LED: + "1 800 2 800 4 800 8 800 16 800" + + ^ + | + 0 On -|----+ +----+ +--- + | | | | | + Off-| +-------------------+ +-------------------+ + | + 1 On -| +----+ +----+ + | | | | | + Off |----+ +-------------------+ +------------------ + | + 2 On -| +----+ +----+ + | | | | | + Off-|---------+ +-------------------+ +------------- + | + 3 On -| +----+ +----+ + | | | | | + Off-|--------------+ +-------------------+ +-------- + | + 4 On -| +----+ +----+ + | | | | | + Off-|-------------------+ +-------------------+ +--- + | + 0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec) + + Inverted cascade mode for Pipe LED: + "30 800 29 800 27 800 23 800 15 800" + + ^ + | + 0 On -| +-------------------+ +-------------------+ + | | | | | + Off-|----+ +----+ +--- + | + 1 On -|----+ +-------------------+ +------------------ + | | | | | + Off | +----+ +----+ + | + 2 On -|---------+ +-------------------+ +------------- + | | | | | + Off-| +----+ +----+ + | + 3 On -|--------------+ +-------------------+ +-------- + | | | | | + Off-| +----+ +----+ + | + 4 On -|-------------------+ +-------------------+ +--- + | | | | | + Off-| +----+ +----+ + | + 0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec) + + Bounce mode for Pipe LED: + "1 800 2 800 4 800 8 800 16 800 16 800 8 800 4 800 2 800 1 800" + + ^ + | + 0 On -|----+ +-------- + | | | + Off-| +---------------------------------------+ + | + 1 On -| +----+ +----+ + | | | | | + Off |----+ +-----------------------------+ +-------- + | + 2 On -| +----+ +----+ + | | | | | + Off-|---------+ +-------------------+ +------------- + | + 3 On -| +----+ +----+ + | | | | | + Off-|--------------+ +---------+ +------------------ + | + 4 On -| +---------+ + | | | + Off-|-------------------+ +----------------------- + | + 0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec) + + Inverted bounce mode for Pipe LED: + "30 800 29 800 27 800 23 800 15 800 15 800 23 800 27 800 29 800 30 800" + + ^ + | + 0 On -| +---------------------------------------+ + | | | + Off-|----+ +-------- + | + 1 On -|----+ +-----------------------------+ +-------- + | | | | | + Off | +----+ +----+ + | + 2 On -|---------+ +-------------------+ +------------- + | | | | | + Off-| +----+ +----+ + | + 3 On -|--------------+ +---------+ +------------------ + | | | | | + Off-| +----+ +----+ + | + 4 On -|-------------------+ +----------------------- + | | | + Off-| +---------+ + | + 0---0.8--1.6--2.4--3.2---4---4.8--5.6--6.4--7.2---8--> time (sec) + +What: /sys/class/leds//repeat +Date: September 2019 +KernelVersion: 5.5 +Description: + EL15203000 supports only indefinitely patterns, + so this file should always store -1. + + For more info, please see: + Documentation/ABI/testing/sysfs-class-led-trigger-pattern -- cgit v1.2.3