On Fri, 24 May 2019 at 07:38, <liu.ming50 at gmail.com> wrote: > -SUMMARY_alsa-utils-alsabat = "Command-line sound tester for ALSA sound card driver" > +SUMMARY_${MLPREFIX}alsa-utils-alsabat = "Command-line sound tester for ALSA sound card driver" Why not replace alsa-utils-alsabat with ${PN}-alsabat? Ross