1 # Copyright (c) 2012 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import logging 6 import re 7 from threading import Timer 8 9 from autotest_lib.client.common_lib import error 10 from autotest_lib.server.cros.faft.firmware_test import FirmwareTest 11 12 13 class firmware_ECPowerButton(FirmwareTest): 14 """ 15 Servo based EC power button test. 16 """ 17 version = 1 18 19 # Delay between shutdown and wake by power button 20 LONG_WAKE_DELAY = 13 21 SHORT_WAKE_DELAY = 7 22 23 # Short duration of holding down power button to power on 24 POWER_BUTTON_SHORT_POWER_ON_DURATION = 0.05 25 26 # Long duration of holding down power button to power on 27 POWER_BUTTON_LONG_POWER_ON_DURATION = 1 28 29 # Duration of holding down power button to shut down with powerd 30 POWER_BUTTON_POWERD_DURATION = 6 31 32 # Duration of holding down power button to shut down without powerd 33 POWER_BUTTON_NO_POWERD_DURATION = 10 34 35 def initialize(self, host, cmdline_args): 36 super(firmware_ECPowerButton, self).initialize(host, cmdline_args) 37 # Only run in normal mode 38 self.switcher.setup_mode('normal') 39 40 def kill_powerd(self): 41 """Stop powerd on client.""" 42 self.faft_client.system.run_shell_command("stop powerd") 43 44 def debounce_power_button(self): 45 """Check if power button debouncing works. 46 47 Press power button for a very short period and checks for power 48 button keycode. 49 """ 50 # Delay 3 seconds to ensure client machine is waiting for key press. 51 # Press power button for only 10ms. Should be debounced. 52 logging.info('ECPowerButton: debounce_power_button') 53 Timer(3, self.servo.power_key, [0.001]).start() 54 return self.faft_client.system.check_keys([116]) 55 56 def shutdown_and_wake(self, 57 shutdown_powerkey_duration, 58 wake_delay, 59 wake_powerkey_duration): 60 """ 61 Shutdown the system by power button, delay, and then power on 62 by power button again. 63 """ 64 self.servo.power_key(shutdown_powerkey_duration) 65 Timer(wake_delay, 66 self.servo.power_key, 67 [wake_powerkey_duration]).start() 68 69 def run_once(self): 70 if not self.check_ec_capability(): 71 raise error.TestNAError("Nothing needs to be tested on this device") 72 73 logging.info("Shutdown when powerd is still running and wake from S5 " 74 "with short power button press.") 75 76 if self.servo.is_localhost(): 77 self.check_state(self.debounce_power_button) 78 self.switcher.mode_aware_reboot( 79 'custom', 80 lambda:self.shutdown_and_wake( 81 self.POWER_BUTTON_POWERD_DURATION, 82 self.SHORT_WAKE_DELAY, 83 self.POWER_BUTTON_SHORT_POWER_ON_DURATION)) 84 85 logging.info("Shutdown when powerd is stopped and wake from G3 " 86 "with short power button press.") 87 self.kill_powerd() 88 self.switcher.mode_aware_reboot( 89 'custom', 90 lambda:self.shutdown_and_wake( 91 self.POWER_BUTTON_NO_POWERD_DURATION, 92 self.LONG_WAKE_DELAY, 93 self.POWER_BUTTON_SHORT_POWER_ON_DURATION)) 94 95 logging.info("Shutdown when powerd is still running and wake from G3 " 96 "with long power button press.") 97 self.switcher.mode_aware_reboot( 98 'custom', 99 lambda:self.shutdown_and_wake( 100 self.POWER_BUTTON_POWERD_DURATION, 101 self.LONG_WAKE_DELAY, 102 self.POWER_BUTTON_LONG_POWER_ON_DURATION)) 103 104 logging.info("Shutdown when powerd is stopped and wake from S5 " 105 "with long power button press.") 106 self.kill_powerd() 107 self.switcher.mode_aware_reboot( 108 'custom', 109 lambda:self.shutdown_and_wake( 110 self.POWER_BUTTON_NO_POWERD_DURATION, 111 self.SHORT_WAKE_DELAY, 112 self.POWER_BUTTON_LONG_POWER_ON_DURATION)) 113