snd_register_device (9) Linux Manual Page
snd_register_device – Register the ALSA device file for the card
Synopsis
int snd_register_device(int type, struct snd_card *card, int dev, const struct file_operations *f_ops, void *private_data, struct device *device);Arguments
type
-
- the device type, SNDRV_DEVICE_TYPE_XXX
card
- the card instance
dev
- the device index
f_ops
- the file operations
private_data
- user pointer for f_ops->open
device
- the device to register
Description
Registers an ALSA device file for the given card. The operators have to be set in reg parameter.
Return
Zero if successful, or a negative error code on failure.