Symbol: SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE
include/uapi/sound/asound.h
1218
#define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int)
tools/perf/trace/beauty/include/uapi/sound/asound.h
1218
#define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int)