UAC_SET_RES 344 drivers/usb/gadget/function/f_uac1.c case UAC_SET_RES: UAC_SET_RES 479 drivers/usb/gadget/function/f_uac1_legacy.c case UAC_SET_RES: UAC_SET_RES 1226 sound/usb/mixer.c if (snd_usb_mixer_set_ctl_value(cval, UAC_SET_RES,