在USB 2.0协议中第 9.1 USB Device States 章节规定了USB设备的6种状态,包括: Attached/Powered/Default/Address/Configured/Suspended 其状态迁移图如下: 在Linux Kernel ch9.h 文件中用 enum usb_device_state 来标记这几种状态。 // <kernel_dir>/include/uapi/linux/usb/ch9.henumusb_device_state {/* N...
Note that the bit status does not change until the port is suspended and that there may be a delay in suspending a port if there is a transaction currently in progress on the USB." In the USB controller, the SUSP bit (port_suspend_r) changes immediately when the application sets it ...
UsbfnDeviceStateDefault设备已连接并连接到上游端口,但尚未重置。 UsbfnDeviceStateDetached设备未附加到上游端口。 UsbfnDeviceStateAddressed主机已为设备分配非默认 USB 地址。 UsbfnDeviceStateConfigured设备已由主机配置。 UsbfnDeviceStateSuspended设备已暂停。 UsbfnDeviceStateStateMaximum枚举的最大值。要求展开...
[ 123.905102]msm_otg 78d9000.usb: ep_set_halt: Unable to halt EP while suspended [ 123.911576] msm_otg 78d9000.usb: ep_set_halt: Unable to halt EP while suspended [ 123.934291] done. [ 123.946347] cpufreq: Frequency violation fixed for CPU0 [ 123.950615] Abort: Some devices failed to...
// DeviceInitializeDefaultEndpoint(Context->FdoWdfDevice); ControllerContext->InitializeDefaultEndpoint = FALSE; } WdfWaitLockRelease(ControllerContext->InitializeDefaultEndpointLock); if (NewState == UsbfnDeviceStateConfigured && OldState != UsbfnDeviceStateSuspended) { for (EpIndex = 1; ...
var IOUSBHostCIPortStateActive: IOUSBHostCIPortState var IOUSBHostCIPortStateOff: IOUSBHostCIPortState var IOUSBHostCIPortStatePowered: IOUSBHostCIPortState var IOUSBHostCIPortStateSuspended: IOUSBHostCIPortState var IOUSBHostCIUserClientVersion100: IOUSBHostCIUserClientVersion ...
The method comprises: when a suspended state or an idle state of an overall bus of a system exceeds a first time threshold, powering off a USB physical layer PHY; setting a USB controller to a power-saving mode, and reserving a resource; then receiving a first wake-up instruction sent ...
[PATCH 065/100] usb: common: introduce usb_state_string() this function will receive enum usb_device_state and return a human-readable string from it or, case an unknown value is passed as argument, the string "UNKNOWN".
Signed-off-by: Felipe Balbi <ba...@ti.com> --- drivers/usb/gadget/udc-core.c | 23 +++++++++++++ include/linux/usb/gadget.h | 9 +++++ 2 files changed, 32 insertions(+) http://vger.kernel.org/majordomo-info.html
1,707件の閲覧回数 mauriciorodrigu Contributor II Hi everyone. We are trying to wake up Android running on Q7A-551 with MX 6DualLite. When Android is in "suspended mode" usb keyboard can wakeup android with a single keystroke. But if Android goes in to deep s...