Re: Thinkpad ACPI led -- it keeps blinking

[Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>]

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Hi!

> Kernel 5.1.0-rc1 + some unrelated bits.

I tried adding
https://marc.info/?l=linux-kernel&m=151622365715313&q=raw as Jacek
suggested, and it is still broken.

Test code is this: ledtest actually works as expected on first try,
but keeps blinking on second run. Strange.

								Pavel

#!/usr/bin/python
# -*- python -*-
# Copyright Bluez project, GPLv2
# Adapted from test/monitor-bluetooth

from __future__ import absolute_import, print_function, unicode_literals

import sys
import time
import os

import dbus
import dbus.mainloop.glib
try:
  from gi.repository import GObject
except ImportError:
  import gobject as GObject

relevant_ifaces = [ "org.bluez.Device1" ]

class LED:
	def __init__(self):
        	self.path = "/sys/class/leds/tpacpi::power/"
        	#self.path = "/sys/class/leds/input5::capslock/"
                self.brightness = self.path + "brightness"
                self.trigger = self.path + "trigger"

        def set(self, name, val):
        	f = open(name, "w")
                f.write(val)
                f.close()

        def solid(self, b):
        	self.set(self.trigger, "none")
        	self.set(self.brightness, "0")
        	self.set(self.brightness, str(b))

        def blink(self):
        	self.set(self.trigger, "timer")

        def as_root(self):
        	os.chmod(self.trigger, 0777)
        	os.chmod(self.brightness, 0777)

def led_test():
	l = LED()
        l.solid(0)
        time.sleep(2)
	l.solid(1)
        time.sleep(2)
        l.blink()
        time.sleep(2)
	l.solid(1)

def handle_params(args):
        if len(args) < 2 or args[1] == "run":
                LED().blink()
        	run()
                return
        if args[1] == "ledtest":
        	led_test()
                return
        if args[1] == "stop":
                LED().solid(0)
        if args[1] == "startup":
        	LED().as_root()
                return

        print("Unknown parameters", args)

handle_params(sys.argv)




-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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