Adding an I2S DAC for audiophile quality sound.

[valbor]

it is corrected:
on LibreElec there is no sound on a RCA too:
/$ lsmod
Module Size Used by
hci_uart 15605 1
btbcm 5315 1 hci_uart
bluetooth 292114 3 hci_uart,btbcm
brcmfmac 184788 0
brcmutil 4893 1 brcmfmac
cfg80211 247994 1 brcmfmac
rfkill 13757 4 bluetooth,cfg80211
bcm2835_gpiomem 2652 0
fixed 2407 0
/$ aplay -l
aplay: device_list:270: no soundcards found...
/$ alsamixer
-sh: alsamixer: not found



PCM5122 is in the I2C-mode: 17 pin - Low, 18 pin - High

pinout:
PCM5122-------------name-------------Rpi------------------name
11---------------------SDA---------------3-------------------SDA1
12---------------------SCL----------------5-------------------SCL1
23---------------------LRCK--------------35-----------------GPIO19
21---------------------BCK----------------12----------------GPIO18
22---------------------DIN----------------40----------------GPIO21

16,20,24 - GND
19 - NC