same result with aplay.
internal card continues playback, external doesn't
with the external usb-card I'm getting this error after resume (from hibernate):
$ aplay -c 1 -r 48000 -D plughw:1,0 ultra_test4.wav
Playing WAVE 'ultra_test4.wav' : Signed 24 bit Little Endian in
3bytes, Rate 48000 Hz, Mono
aplay: pcm_write:1269: write error: Kein passendes Gerät gefunden (==
No appropriate Device found )