u0_a144@g2:/ $ cat /proc/asound/cards
0 [msm8974taikomtp]: msm8974-taiko-m - msm8974-taiko-mtp-snd-card
u0_a144@g2:/ $ cat /proc/asound/card0
/system/bin/sh: cat: /proc/asound/card0: Is a directory
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