SSC_START_FALLING_RF 500 sound/soc/at32/at32-ssc.c SSC_BF(RCMR_START, SSC_START_FALLING_RF) | SSC_START_FALLING_RF 513 sound/soc/at32/at32-ssc.c SSC_BF(TCMR_START, SSC_START_FALLING_RF) | SSC_START_FALLING_RF 540 sound/soc/at32/at32-ssc.c SSC_START_FALLING_RF : SSC_START_EDGE_RF);