PCM2_BUFFER_LOOPBACK_SFT  958 sound/soc/mediatek/mt6797/mt6797-reg.h #define PCM2_BUFFER_LOOPBACK_SFT                             22
PCM2_BUFFER_LOOPBACK_SFT  973 sound/soc/mediatek/mt8183/mt8183-reg.h #define PCM2_BUFFER_LOOPBACK_SFT                      22