dig_subframe 61 include/uapi/sound/asound.h unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ dig_subframe 448 sound/soc/codecs/hdmi-codec.c .dig_subframe = { 0 }, dig_subframe 61 tools/include/uapi/sound/asound.h unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */