HAD_REG_WIDTH 865 sound/x86/intel_hdmi_audio.c #define AUD_BUF_ADDR(x) (AUD_BUF_A_ADDR + (x) * HAD_REG_WIDTH) HAD_REG_WIDTH 866 sound/x86/intel_hdmi_audio.c #define AUD_BUF_LEN(x) (AUD_BUF_A_LENGTH + (x) * HAD_REG_WIDTH)