PCM2_SERIAL_LOOPBACK_SFT  964 sound/soc/mediatek/mt6797/mt6797-reg.h #define PCM2_SERIAL_LOOPBACK_SFT                             20
PCM2_SERIAL_LOOPBACK_SFT  979 sound/soc/mediatek/mt8183/mt8183-reg.h #define PCM2_SERIAL_LOOPBACK_SFT                      20