出现“cannot open device '/dev/snd/pcmc0d0p': device or resource busy”错误通常意味着该音频设备正在被其他进程使用。 要解决这个问题,你可以尝试以下几种方法: 查找并结束占用该设备的进程: 使用lsof命令查找占用该设备的进程: bash lsof /dev/snd/pcmc0d0p 如果找到占用该设备的进程,可以使用kill命令...
Board: IMX8QM-MEB OS: Android 9 Automotive When in BT Call I got the following error continuously, can not open /dev/snd/pcmC0D0p failed: Device or resource busy. My question is which card is used for HFP in IMX8QM-MEK Android 9 Automotive ? XTOR, CS422888, WM8...
ALSA lib pcm_hw.c:1713:(_snd_pcm_hw_open) Invalid value for card unable to open pcm device: Inappropriate ioctl for device 这里理论上这个节点是pcm 的播放节点,理论上设置这个才OK的嘛!!一团糟糕的设计!!! snd_pcm_open() int snd_pcm_open ( snd_pcm_t ** pcmp, const char * name, sn...