IPU_CHA_DB_MODE_SEL
ipu_cm_read(ipu, IPU_CHA_DB_MODE_SEL(0)));
ipu_cm_read(ipu, IPU_CHA_DB_MODE_SEL(32)));
reg = ipu_cm_read(ipu, IPU_CHA_DB_MODE_SEL(channel->num));
ipu_cm_write(ipu, reg, IPU_CHA_DB_MODE_SEL(channel->num));
val = ipu_cm_read(ipu, IPU_CHA_DB_MODE_SEL(channel->num));
ipu_cm_write(ipu, val, IPU_CHA_DB_MODE_SEL(channel->num));