Notes on Pulse Audio

aplay

zyper in alsa-utils

aplay -l

output

card 0: msmaudio [msm-audio], device 0: DSP 1 msm-codec-dai-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0

file /system/etc/audio_policy.conf

obviously the pulse droid module is using /system/etc/audio_policy.conf this file is device/htc/msm7x30-common/audio_policy.conf in the build system had to change (in input section)

formats AUDIO_FORMAT_PCM_16_BIT|AUDIO_FORMAT_AMR_NB|AUDIO_FORMAT_EVRC|AUDIO_FORMAT_QCELP
to
formats AUDIO_FORMAT_PCM_16_BIT|AUDIO_FORMAT_AMR_NB