setWiredDeviceConnectionState( type:80001000 state:DEVICE_STATE_AVAILABLE addr:card=2;device=0; name:USB-Audio setWiredDeviceConnectionState( type:80001000 state:DEVICE_STATE_UNAVAILABLE addr:card=2;device=0; name:USB-Audio
288f516 android: binder: use copy_from_user_preempt_disabled ... 0e7ad12 BACKPORT: ALSA: usb-audio : Fix double-free in error paths after snd_usb_add_audio_stream() call 5982d2e BACKPORT: ALSA: usb-audio
Ensoniq AudioPCI Ensoniq AudioPCI ENS1371 at 0x2040, irq 16 1 [U0x46d0x825 ]: USB-Audio Ensoniq AudioPCI Ensoniq AudioPCI ENS1371 at 0x2040, irq 16 1 [U0x46d0x825 ]: USB-Audio USB Device 0x46d:0x825 at usb-0000:03:00.0-2, high speed 2 [Device ]: USB-Audio
conversions 也可以用cat /proc/asound/cards命令查看USB解码器 cat /proc/asound/cards 显示 1 [HAP90SD ]: USB-Audio