SNDRV_TIMER_IOCTL_STOP 785 include/uapi/sound/asound.h #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) SNDRV_TIMER_IOCTL_STOP 785 tools/include/uapi/sound/asound.h #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1)