On Wed, Aug 07, 2013 at 04:45:50PM -0700, Alexandra Yates wrote: > From: Alexandra Yates <alexandra.yates@xxxxxxxxxxxxxxx> > > This patch reports the low power state L1 for ports with attahced USB2 > devices. The output will be part of the roothub port status as follows: > > ayates@magd:~$ sudo lsusb -v -s 001:001 > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > ... > Hub Descriptor: > bLength 11 > bDescriptorType 41 > nNbrPorts 9 > wHubCharacteristic 0x000a > No power switching (usb 1.0) > Per-port overcurrent protection > TT think time 8 FS bits > bPwrOn2PwrGood 10 * 2 milli seconds > bHubContrCurrent 0 milli Ampere > DeviceRemovable 0x68 0x02 > PortPwrCtrlMask 0xff 0xff > Hub Port Status: > Port 1: 0000.0103 power enable > Port 2: 0000.0523 highspeed power L1 enable > Port 3: 0000.0100 power > Port 4: 0000.0100 power > Port 5: 0000.0503 highspeed power enable > Port 6: 0000.0100 power > Port 7: 0000.0100 power > Port 8: 0000.0100 power > Port 9: 0000.0100 power > Device Status: 0x0001 > > In this example port id: 0000.0523 is in L1 status. > This output is collected from testing the change on a HSWULT platform. > > Signed-off-by: Alexandra Yates <alexandra.yates@xxxxxxxxxxxxxxx> Applied, thanks. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
