Have you set up the wolfson card for line in audio record ? The
following is from the driver software
Code:
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#!/bin/bash
#Record from onboard Line Input to AP
# +9dB input PGA gain
amixer -Dhw:0 cset name='IN3L Volume' 8
amixer -Dhw:0 cset name='IN3R Volume' 8
# better THD in normal mode vs lower noise floor in high performance
amixer -Dhw:0 cset name='IN3 High Performance Switch' on
#amixer -Dhw:0 cset name='IN3 Digital Switch' on
amixer -Dhw:0 cset name='IN3L Digital Volume' 128
amixer -Dhw:0 cset name='IN3R Digital Volume' 128
amixer -Dhw:0 cset name='AIF1TX1 Input 1' IN3L
amixer -Dhw:0 cset name='AIF1TX1 Input 1 Volume' 32
amixer -Dhw:0 cset name='AIF1TX2 Input 1' IN3R
amixer -Dhw:0 cset name='AIF1TX2 Input 1 Volume' 32
# The following command should be used to test
# arecord -Dhw:0 -r 44100 -c 2 -f S32_LE <file>
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