cat /proc/asound/cards:
 0 [sndrpihifiberry]: RPi-WM8804 - snd_rpi_hifiberry_digi
                      snd_rpi_hifiberry_digi
aplay --dump-hw-params:
Playing raw data '/dev/zero' : Unsigned 8 bit, Rate 8000 Hz, Mono
HW Params of device "hw:0":
--------------------
ACCESS:  MMAP_INTERLEAVED RW_INTERLEAVED
FORMAT:  S16_LE S24_LE
SUBFORMAT:  STD
SAMPLE_BITS: [16 32]
FRAME_BITS: [32 64]
CHANNELS: 2
RATE: [32000 192000]
PERIOD_TIME: (166 2048000]
PERIOD_SIZE: [32 65536]
PERIOD_BYTES: [256 524288]
PERIODS: [2 4096]
BUFFER_TIME: (333 4096000]
BUFFER_SIZE: [64 131072]
BUFFER_BYTES: [256 524288]
TICK_TIME: ALL
--------------------
aplay: set_params:1341: Sample format non available
Available formats:
- S16_LE
- S24_LE
