snd_usb_pcm_open 1797 sound/usb/pcm.c .open = snd_usb_pcm_open, snd_usb_pcm_open 1809 sound/usb/pcm.c .open = snd_usb_pcm_open, snd_usb_pcm_open 1821 sound/usb/pcm.c .open = snd_usb_pcm_open, snd_usb_pcm_open 1833 sound/usb/pcm.c .open = snd_usb_pcm_open,