Hi, 

I am a beginner to Linux and BBB, so apologies if this is a the noob 
question.

I have the following setup: 

a BB and a 4D 28PTU display. The display is connected over the USB port of 
the BBB (not the miniUSB). Everytime when I want to use the display and 
plug it in while the BBB already runs I have to reboot the BBB first before 
it recognizes the display or even power it on. 

So i was wondering if I could manually do a reboot simulation for the 
display, like shut it down and power it back on. 

When I googled I came across this here: 

/sys/bus/usb/devices


here I see

 1-0:1.0  1-1  1-1:1.0  2-0:1.0  usb1  usb2

Which one is my mini and which one is my "normal" ? (I am assuming usb1 is 
the normal). 

when I look into the power directory I get 

1-0:1.0  authorized          avoid_reset_quirk  bConfigurationValue 
 bDeviceProtocol  bmAttributes     bMaxPower           bNumInterfaces 
 configuration  dev     devpath  ep_00      idVendor     manufacturer 
 power    quirks     remove  speed      uevent  version
1-1      authorized_default  bcdDevice          bDeviceClass         
bDeviceSubClass  bMaxPacketSize0  bNumConfigurations  busnum         
 descriptors    devnum  driver   idProduct  ltm_capable  maxchild     
 product  removable  serial  subsystem  urbnum

So I look at wakeup which is always disabled. 

So I'm wondering is it possible to simulate a reboot for the USB manually? 
And how? Do I just write something into the files? 

I don't want to test that because I am using the miniUSB to connect to the 
BBB and I am afraid that if I power something off it won't power back on. 

Thanks in advance! 

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