C_LOOP_BACK_MODE_CTL_SFT 623 sound/soc/mediatek/mt6797/mt6797-reg.h #define C_LOOP_BACK_MODE_CTL_SFT 12 C_LOOP_BACK_MODE_CTL_SFT 1203 sound/soc/mediatek/mt8183/mt8183-reg.h #define C_LOOP_BACK_MODE_CTL_SFT 12