Any idea what the problem is from the following data?
I have installed the hat and added dtoverlay=hifiberry-dacplusadcpro to my /boot/config.txt
From Java I cannot open audio input with format 48000, stereo, 24bits, little-endian
aroot@raspberrypi:~# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sndrpihifiberry [snd_rpi_hifiberry_dacplusadcpro], device 0: HiFiBerry DAC+ADC Pro HiFi multicodec-0 [HiFiBerry DAC+ADC Pro HiFi multicodec-0]
Subdevices: 1/1
Subdevice #0: subdevice #0
There does seem to be some issue reported in dmesg
[ 4.000371] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 4.000413] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
[ 4.028661] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[ 4.040156] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
[ 4.049298] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
[ 4.049347] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
[ 4.055076] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
[ 4.055112] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
[ 4.061243] snd-rpi-hifiberry-dacplusadcpro soc:sound: ASoC: CPU DAI (null) not registered - will retry
[ 4.064324] snd-rpi-hifiberry-dacplusadcpro soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
[ 4.066586] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
[ 4.066630] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
[ 4.067617] snd-rpi-hifiberry-dacplusadcpro soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
[ 4.103158] snd-rpi-hifiberry-dacplusadcpro soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
[ 4.385545] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 4.458233] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 4.583181] snd-rpi-hifiberry-dacplusadcpro soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
[ 4.597545] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[ 4.605251] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 4.605626] usbcore: registered new interface driver brcmfmac
[ 4.606544] snd-rpi-hifiberry-dacplusadcpro soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
[ 4.645112] pcm186x 1-004a: 1-004a supply avdd not found, using dummy regulator
[ 4.645203] pcm186x 1-004a: Linked as a consumer to regulator.0
[ 4.645220] pcm186x 1-004a: 1-004a supply dvdd not found, using dummy regulator
[ 4.645297] pcm186x 1-004a: 1-004a supply iovdd not found, using dummy regulator
[ 4.646372] snd-rpi-hifiberry-dacplusadcpro soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
[ 4.650205] pcm512x 1-004d: 1-004d supply AVDD not found, using dummy regulator
[ 4.650332] pcm512x 1-004d: Linked as a consumer to regulator.0
[ 4.650364] pcm512x 1-004d: 1-004d supply DVDD not found, using dummy regulator
[ 4.650459] pcm512x 1-004d: 1-004d supply CPVDD not found, using dummy regulator
[ 4.814383] snd-rpi-hifiberry-dacplusadcpro soc:sound: multicodec <-> 3f203000.i2s mapping ok
[ 4.839083] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[ 4.839223] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available
[ 4.840147] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Oct 23 2017 03:55:53 version 7.45.98.38 (r674442 CY) FWID 01-e58d219f