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HiFiberry Digi+ and RPi2 no sound

Hi!
I just received your card and installed on the RPi B2.

Looks like card was recognized

pi@raspberrypi ~ $ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sndrpihifiberry [snd_rpi_hifiberry_digi], device 0: HifiBerry Digi HiFi wm8804-spdif-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0

However, when I tried to play test wav file I got next error
pi@raspberrypi ~ $ aplay ./Downloads/sin1000_48khz.wav
aplay: main:682: audio open error: No such file or directory

Green light on Digi+ card is on (so, hardware is working, I think)

dmesg output
pi@raspberrypi ~ $ dmesg | grep hifiberry
[ 4.775148] snd-hifiberry-digi sound: ASoC: CPU DAI (null) not registered
[ 4.811336] snd-hifiberry-digi sound: snd_soc_register_card() failed: -517
[ 4.835584] platform sound: Driver snd-hifiberry-digi requests probe deferral
[ 4.873954] snd-hifiberry-digi sound: wm8804-spdif <-> 3f203000.i2s mapping ok

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