On Wed, Dec 14, 2022 at 03:06:50PM +0800, Puma Hsu wrote: > + /* > + * Note: Our private driver provides APIs to know the device is in audio playback > + * or capture. > + * > + * usb_playback = usb_audio_playback_enabled(); > + * usb_capture = usb_audio_capture_enabled(); > + */ There is no such thing as a "private driver" in Linux, sorry, you know this. Submit the real code please, otherwise this is just wasting everyone's time :( greg k-h
