RLC 34 sound/hda/hdmi_chmap.c RLC = (1 << 8), /* Rear Left Center */ RLC 48 sound/soc/codecs/hdmi-codec.c RLC = BIT(8), /* Rear Left Center */ RLC 62 sound/x86/intel_hdmi_audio.h RLC = (1 << 8), /* Rear Left Center */