INTEL_EN_DP12    2598 sound/pci/hda/patch_hdmi.c #define INTEL_EN_DP12		0x02	/* enable DP 1.2 features */
INTEL_EN_DP12    1382 sound/soc/codecs/hdac_hdmi.c #define INTEL_EN_DP12		0x02 /* enable DP 1.2 features */