pcm_urb
static void usb6fire_pcm_capture(struct pcm_substream *sub, struct pcm_urb *urb)
struct pcm_urb *urb)
struct pcm_urb *in_urb = usb_urb->context;
struct pcm_urb *out_urb = in_urb->peer;
struct pcm_urb *urb = usb_urb->context;
static void usb6fire_pcm_init_urb(struct pcm_urb *urb,
struct pcm_urb *peer;
struct pcm_urb in_urbs[PCM_N_URBS];
struct pcm_urb out_urbs[PCM_N_URBS];
static bool hiface_pcm_playback(struct pcm_substream *sub, struct pcm_urb *urb)
struct pcm_urb *out_urb = usb_urb->context;
static int hiface_pcm_init_urb(struct pcm_urb *urb,
struct pcm_urb out_urbs[PCM_N_URBS];