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Hi , I want to  build rpi-linux-rpi-4.0.y source code which i have downloaded from github to make an image which can support cirrus audio logic card. I have tried the procedure building the code from the github, i got the kernel image also. After reboot output of aplay -l shows only bcm2835 device not cirrus logic card device.   Please help me asap ..... ...
Audio paths  Note: I don't have the card yet, so I don't know actual alsa names for these settings, but they are very similar to those in the datasheet.   You can check the diagrams on page 57-58 of WM5102 datasheet Data Sheet of WM5102. WM5102 is a versatile device and you can set different audio paths within its digital core. Furtunately it seems almost all of it is possible via alsamixer. Outputs WM5102 has many outputs, most of them available on our card. The most usable outputs ...
  This audio card will push your Pi.   The Wolfson Audio Card has taken a good amount of time to come forth from Wolfson Microelectronics and with decent reason. They want to make sure that they have it right and something that you can work with. As with any audio setup it takes a little time to optimise and get it setup correctly, but once you're there then you have a potentially powerful portable audio sensation in your hands. The audio codec with digital signal processor for voice ...