Hi Krzysztof, Mark, Iwai-san > > + dev_info(dev, "probed\n"); > > Drop. Driver should be silent on success and simple success messages are > useless. Core already gives you information that probe succeeded. What does "Core" mean here ?? > > +MODULE_ALIAS("platform:msiof-pcm-audio"); > > You should not need MODULE_ALIAS() in normal cases. If you need it, > usually it means your device ID table is wrong (e.g. misses either > entries or MODULE_DEVICE_TABLE()). MODULE_ALIAS() is not a substitute > for incomplete ID table. Iwai-san, Mark, do you have any comment about this ? Almost all ALSA drivers are using it > git grep MODULE_ALIAS sound | wc -l 249 Thank you for your help !! Best regards --- Kuninori Morimoto