PCM2_I2S_PCM_LOOPBACK_MASK_SFT  972 sound/soc/mediatek/mt6797/mt6797-reg.h #define PCM2_I2S_PCM_LOOPBACK_MASK_SFT                       (0x1 << 18)
PCM2_I2S_PCM_LOOPBACK_MASK_SFT  987 sound/soc/mediatek/mt8183/mt8183-reg.h #define PCM2_I2S_PCM_LOOPBACK_MASK_SFT                (0x1 << 18)