manual/dragon410c/dragon410c-user-led
Description
Test if user LED working on Dragonboard 410c.
Maintainer
- amit.khare@linaro.org
OS
- android
- debian
Scope
- functional
Devices
- apq8016-sbc
Steps to reproduce
- Boot the board successfuly.
- The four user LEDs on board are apq8016-sbc:green:user0, apq8016-sbc:green:user1, apq8016-sbc:green:user2 and apq8016-sbc:green:user3.
- To turn on specific LED, run "echo 1 > /sys/class/leds/
/brightness" - To turn off specific LED, run "echo 0 > /sys/class/leds/
/brightness" - Run "cat /sys/class/leds/
/trigger" to show all the triggers available for a particular LED. - To assign a trigger to any LED, run "echo trigger_name > /sys/class/leds/
/trigger" - {'example': 'to assign "heartbeat" trigger to apq8016-sbc:green:user3'}
- run "echo heartbeat > /sys/class/leds/apq8016-sbc\:green\:user3/trigger"
- To remove trigger for any LED, run "echo none > /sys/class/leds/
/trigger"