shutdown process & boot more quickly

Hello Volumio-Community,

My name is Philipp and I’m from Germany, so sorry for my english :laughing:

I have a Raspberry Pi 3 with the official Raspberry Touchscreen.
I would like to turn off the backlight from screen when I shutdown Volumio.
The screen is USB connected with the Pi. Not with the GPIO-Pins.
is there a possibility?

And is there a possibilty for boot more quickly.
My Pi takes 80 seconds with actually Volumio 2.001.

Thank you in advance

best greetings from germany