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Hifiberry DAC with Raspberry Pi B+?

Hi,

What is the main difference between the DAC and the DAC+? Is it the formfactor and the additional EEPROM module?
Is it possible to use the DAC on a Pi+ since I connected all the neccesary lines to the board?
You can find the changes needed here: http://www.tjaekel.com/T-DAC/files/RPi-Bplus_guideline.pdf

The Problem is that I fried my B and now have to use a B+. I wired it up and connected it but there is no sound :(

Also, what is the difference between the DAC and the DAC+ driver? Im using the newest volumio with updated kernel and upgraded software.

Thanks

EDIT:
Here is my aplay output:
root@volumio:~# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sndrpihifiberry [snd_rpi_hifiberry_dac], device 0: HifiBerry DAC HiFi pc m5102a-hifi-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0



and dmesg | grep hifiberry
root@volumio:~# dmesg | grep hifiberry
[ 6.232823] snd-hifiberry-dac sound: ASoC: CPU DAI (null) not registered
[ 6.442057] snd-hifiberry-dac sound: snd_soc_register_card() failed: -517
[ 6.450953] platform sound: Driver snd-hifiberry-dac requests probe deferral
[ 6.748594] snd-hifiberry-dac sound: pcm5102a-hifi <-> 20203000.i2s mapping ok



Patrick

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