PIXENGCFG_TRIGGER
regmap_write(ed->reg_pec, PIXENGCFG_TRIGGER, SYNC_TRIGGER);
regmap_reg_range(PIXENGCFG_TRIGGER, PIXENGCFG_TRIGGER),
regmap_reg_range(PIXENGCFG_TRIGGER, PIXENGCFG_TRIGGER),
.max_register = PIXENGCFG_TRIGGER,