Audio test Spartan 6 LX45T/OMAP L138

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Audio driver is recognized but I seem to

Recognition of sound card on the initial dmesg
[    2.290000] asoc: tlv320aic3x <-> davinci-i2s mapping ok                           
[    2.310000] ALSA device list:                                                      
[    2.310000]   #0: DA850/OMAP-L138 EVM (tlv320aic3x)  

No sound with this test even though it recognizes the sound card

 # speaker-test
speaker-test 1.0.21
Playback device is default
Stream parameters are 48000Hz, S16_LE, 1 channels
Using 16 octaves of pink noise
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 128 to 32768
Period size range from 8 to 2048
Using max buffer size 32768
Periods = 4
was set period_size = 2048
was set buffer_size = 32768
 0 - Front Left
Time per period = 2.343415
 0 - Front Left

No sound with this test even though it recognizes the sound card (testing GStreamer support on the board)

/ # gst-launch audiotestsrc ! alsasink
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstAudioSinkClock
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