post_install() {
udevadm control -R
udevadm trigger
echo"Add yourself to 'input' group."echo"# gpasswd -a <USER> input"echo"You may need to log out."}
post_upgrade() {
udevadm control -R
udevadm trigger
echo"Add yourself to 'input' group."echo"# gpasswd -a <USER> input"echo"You may need to log out."}