log

HWVCE:/ $ ls -l /sys/class/sound
total 0
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 card0 -> ../../devices/platform/sound_hi6403/sound/card0
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 card1 -> ../../devices/platform/hisi_dp_machine/sound/card1
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 controlC0 -> ../../devices/platform/sound_hi6403/sound/card0/controlC0
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 controlC1 -> ../../devices/platform/hisi_dp_machine/sound/card1/controlC1
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 hwC0D6 -> ../../devices/platform/sound_hi6403/sound/card0/hwC0D6
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D0c -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D0c
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D0p -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D0p
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D1c -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D1c
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D1p -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D1p
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D2p -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D2p
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D3c -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D3c
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D3p -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D3p
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D4c -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D4c
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D4p -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D4p
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D5c -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D5c
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D5p -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D5p
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D6c -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D6c
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC0D6p -> ../../devices/platform/sound_hi6403/sound/card0/pcmC0D6p
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 pcmC1D0p -> ../../devices/platform/hisi_dp_machine/sound/card1/pcmC1D0p
lrwxrwxrwx 1 root root 0 2020-02-10 21:26 timer -> ../../devices/virtual/sound/timer