after a one commit broken on some devices

[ilyapashuk]

hello

the commit
9cc9cf0

thims to break some devices.

after this commit, when I use this script on my headphones, device simply crashes (shuts down unexpectedly).

on the commit:

4cfe9a4

all works fine

before the second commit it don't works too.

please reimplement all of that 3 request styles in the current code and allow user to select the mode by adding the special command line flag.