SNDRV_CHMAP_TFLC
[SNDRV_CHMAP_TFLC] = "TFLC",
SNDRV_CHMAP_TFLC, /* top front left of center */
map = SNDRV_CHMAP_TFLC;
[VIRTIO_SND_CHMAP_TFLC] = SNDRV_CHMAP_TFLC,