16bit seems to be upscaled to 24bit

[iambrian]

Here's alsacap

Hifiberry

Code:

Card 0, ID `sndrpihifiberry', name `snd_rpi_hifiberry_dacplus'
 Device 0, ID `HiFiBerry DAC+ Pro HiFi pcm512x-hifi-0', name `HiFiBerry DAC+ Pro HiFi pcm512x-hifi-0', 1 subdevices (1 available)
   2 channels, sampling rate 8000..352800 Hz
   Sample formats: S16_LE, S24_LE, S32_LE
   Buffer size range from 64 to 131072
   Period size range from 32 to 65536

     Subdevice 0, name `subdevice #0'

Allo Boss 1.2

Code:

*** Scanning for playback devices ***
Card 0, ID `BossDAC', name `BossDAC'
  Device 0, ID `Boss DAC HiFi [Master] pcm512x-hifi-0', name `Boss DAC HiFi [Master] pcm512x-hifi-0', 1 subdevices (1 available)
    2 channels, sampling rate 8000..384000 Hz
    Sample formats: S16_LE, S24_LE, S32_LE
    Buffer size range from 64 to 131072
    Period size range from 32 to 65536

      Subdevice 0, name `subdevice #0'

Thanks - didn't know about alsacap!