SNDRV_CHMAP_TFL 407 sound/hda/hdmi_chmap.c { SNDRV_CHMAP_TFL, FLH }, SNDRV_CHMAP_TFL 270 sound/usb/stream.c SNDRV_CHMAP_TFL, /* top front left */ SNDRV_CHMAP_TFL 407 sound/usb/stream.c map = SNDRV_CHMAP_TFL;