pm_intf 616 sound/usb/card.c chip->pm_intf = intf; pm_intf 791 sound/usb/card.c return usb_autopm_get_interface(chip->pm_intf); pm_intf 800 sound/usb/card.c usb_autopm_put_interface(chip->pm_intf); pm_intf 26 sound/usb/usbaudio.h struct usb_interface *pm_intf;