private_init 724 sound/usb/line6/driver.c int (*private_init)(struct usb_line6 *, const struct usb_device_id *id), private_init 789 sound/usb/line6/driver.c ret = private_init(line6, id); private_init 201 sound/usb/line6/driver.h int (*private_init)(struct usb_line6 *, const struct usb_device_id *id),