PCM2_I2S_PCM_LOOPBACK_SFT  970 sound/soc/mediatek/mt6797/mt6797-reg.h #define PCM2_I2S_PCM_LOOPBACK_SFT                            18
PCM2_I2S_PCM_LOOPBACK_SFT  985 sound/soc/mediatek/mt8183/mt8183-reg.h #define PCM2_I2S_PCM_LOOPBACK_SFT                     18