We get the mangOH green starter kit, element 14, with AirPrime WP8548.
There is already a codec wm8944 on board, and we can find the sound card.
root@swi-mdm9x15:/proc/asound# cat pcm
00-00: MultiMedia1 () : : playback 1 : capture 1
00-01: MultiMedia2 () : : playback 1 : capture 1
…
00-22: (Primary I2S Playback) : : playback 1 : capture 1
00-23: (Primary I2S Capture) : : playback 1 : capture 1
We try to test the PCM device, but it’s fail.
root@swi-mdm9x15:~# aplay -D default /media/wav/hotel_ca.wav
aplay: Playing ‘/media/wav/hotel_ca.wav’:Signed 16 bit Little Endian
Wrong device fromat
Segmentation fault
How could we try the I2S PCM interface? Very appreciate.
