I have pinmuxed few leds to appear in my sysfs but unable to get the phy0rx phy0tx phy0assoc phy0radio arugments on the trigger.
:-# echo phy0tx > /sys/class/leds/wlan:green/trigger
-sh: echo: write error: Invalid argument
:-# cat /sys/class/leds/wlan:green/trigger
[none] nand-disk mmc0 timer oneshot heartbeat backlight gpio cpu0 default-on
