_PCM_WRITE_U32_BE
#define _PCM_WRITE_U32_NE(b6) _PCM_WRITE_U32_BE(b8)
#define PCM_WRITE_U32_BE(b8, val) _PCM_WRITE_U32_BE(b8, val)
_PCM_WRITE_U32_BE(b8, (val) << PCM_FXSHIFT)