snd_device_register (9) - Linux Man Pages
snd_device_register: register the device
snd_device_register - register the device
int snd_device_register(struct snd_card
*card, void *device_data);
- the card instance
- the data pointer to register
Registers the device which was already created via snd_device_new. Usually this is called from snd_card_register, but it can be called later if any new devices are created after invocation of snd_card_register.