公开(公告)号：US20150227190A1

公开(公告)日：2015-08-13

申请号：US14694906

申请日：2015-04-23

Applicant: Apple Inc.

Inventor： Fiyinfolu O. ADEWALE ,  Paul J. COSTA ,  David R. COX ,  Michael J. GILES ,  Steven I. KUO ,  Nicholas W. RUHTER ,  Steven J. SFARZO

IPC: G06F1/32 ,  G06F1/26

CPC classification number: G06F1/3253 ,  G06F1/266 ,  G06F1/3215 ,  G06F1/3234

Abstract: A method and apparatus for recovering from a low power state in a computing system is disclosed. In one embodiment of the method, the computing system enters the low power state from a standard power state after an activity detector indicates a user controlled peripheral device connected to the computer system has been inactive for a period of time. To enter the low power state, the method disconnects the user controlled peripheral device from a host controller, while continuing to supply power to the user controlled peripheral device and shutting off power to the host controller. The method returns the computer system to the standard power state when the activity detector indicates the user controlled peripheral device has become active. To return to the standard power state, power is restored to the host controller and the user controlled peripheral device is reconnected to the host controller.

Abstract translation: 公开了一种用于在计算系统中从低功率状态恢复的方法和装置。 在该方法的一个实施例中，在活动检测器指示连接到计算机系统的用户控制的外围设备已经不活动一段时间之后，计算系统从标准功率状态进入低功率状态。 为了进入低功率状态，该方法将用户控制的外围设备与主机控制器断开连接，同时继续向用户控制的外围设备供电，并关闭主机控制器的电源。 当活动检测器指示用户控制的外围设备变为活动状态时，该方法将计算机系统返回到标准电源状态。 要恢复到标准电源状态，电源恢复到主机控制器，用户控制的外围设备重新连接到主机控制器。