When I try the same with 4.4.6-bone-rt-r7, I get failures from the speaker-test command about being unable to set hw params. Any ideas how to narrow this down further?
# uname -r
3.8.13-bone79
# echo BB-BONE-AUDI-02 > /sys/devices/bone_capemgr.9/slots
root@green:/home/debian# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: EVM [DA830 EVM], device 0: AIC3X tlv320aic3x-hifi-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
# speaker-test
speaker-test 1.0.28
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 = 2.309923