My laptop has a built in camera. Ubuntu detects this as a pluged in USB device and turns on the power. One, I don't want the camera on all the time, feel like some one is watching me. Two, it starts to heat up the screen. It's a small camera, but does produce a lot of heat after about 10 minutes of running.
I've tried following steps I found on the internet, but no luck.
The command
for device in $(ls /sys/bus/usb/devices/*/product); do echo $device;cat $device;done
Returns
/sys/bus/usb/devices/1-8/product
USB2.0 Camera
/sys/bus/usb/devices/2-1/product
BCM92045NMD
/sys/bus/usb/devices/3-2/product
Trackball
/sys/bus/usb/devices/usb1/product
EHCI Host Controller
/sys/bus/usb/devices/usb2/product
UHCI Host Controller
/sys/bus/usb/devices/usb3/product
UHCI Host Controller
/sys/bus/usb/devices/usb4/product
UHCI Host Controller
/sys/bus/usb/devices/usb5/product
UHCI Host Controller
The command
echo suspend | sudo tee /sys/bus/usb/devices/1-8/power/level
Returns
suspend
tee: /sys/bus/usb/devices/1-8/power/level: Invalid argument