428 	struct regulator *dvdd;  member
1004 	if (og01a1b->dvdd) {  in og01a1b_power_on()
1005 		ret = regulator_enable(og01a1b->dvdd);  in og01a1b_power_on()
1024 	if (og01a1b->dvdd)  in og01a1b_power_on()
1025 		regulator_disable(og01a1b->dvdd);  in og01a1b_power_on()
1049 	if (og01a1b->dvdd)  in og01a1b_power_off()
1050 		regulator_disable(og01a1b->dvdd);  in og01a1b_power_off()
1129 	og01a1b->dvdd = devm_regulator_get_optional(&client->dev, "dvdd");  in og01a1b_probe()
1130 	if (IS_ERR(og01a1b->dvdd)) {  in og01a1b_probe()
1131 		ret = PTR_ERR(og01a1b->dvdd);  in og01a1b_probe()
1138 		og01a1b->dvdd = NULL;  in og01a1b_probe()