PREUN

/bin/sh

  dkms remove -m %{modname} -v 1.7-4mdv2009.0 --rpm_safe_upgrade --all

POSTIN

/bin/sh

  dkms add -m qc-usb-messenger -v 1.7 --rpm_safe_upgrade
  dkms build -m qc-usb-messenger -v 1.7 --rpm_safe_upgrade
  dkms install -m qc-usb-messenger -v 1.7 --rpm_safe_upgrade