31 static int ad5398_calc_current(struct ad5398_chip_info *chip,  in ad5398_calc_current()  argument
34 	unsigned range_uA = chip->max_uA - chip->min_uA;  in ad5398_calc_current()
36 	return chip->min_uA + (selector * range_uA / chip->current_level);  in ad5398_calc_current()
69 	struct ad5398_chip_info *chip = rdev_get_drvdata(rdev);  in ad5398_get_current_limit()  local
70 	struct i2c_client *client = chip->client;  in ad5398_get_current_limit()
78 	ret = (data & chip->current_mask) >> chip->current_offset;  in ad5398_get_current_limit()
80 	return ad5398_calc_current(chip, ret);  in ad5398_get_current_limit()
85 	struct ad5398_chip_info *chip = rdev_get_drvdata(rdev);  in ad5398_set_current_limit()  local
86 	struct i2c_client *client = chip->client;  in ad5398_set_current_limit()
87 	unsigned range_uA = chip->max_uA - chip->min_uA;  in ad5398_set_current_limit()
92 	if (min_uA < chip->min_uA)  in ad5398_set_current_limit()
93 		min_uA = chip->min_uA;  in ad5398_set_current_limit()
94 	if (max_uA > chip->max_uA)  in ad5398_set_current_limit()
95 		max_uA = chip->max_uA;  in ad5398_set_current_limit()
97 	if (min_uA > chip->max_uA || max_uA < chip->min_uA)  in ad5398_set_current_limit()
100 	selector = DIV_ROUND_UP((min_uA - chip->min_uA) * chip->current_level,  in ad5398_set_current_limit()
102 	if (ad5398_calc_current(chip, selector) > max_uA)  in ad5398_set_current_limit()
106 		ad5398_calc_current(chip, selector));  in ad5398_set_current_limit()
114 	selector = (selector << chip->current_offset) & chip->current_mask;  in ad5398_set_current_limit()
125 	struct ad5398_chip_info *chip = rdev_get_drvdata(rdev);  in ad5398_is_enabled()  local
126 	struct i2c_client *client = chip->client;  in ad5398_is_enabled()
142 	struct ad5398_chip_info *chip = rdev_get_drvdata(rdev);  in ad5398_enable()  local
143 	struct i2c_client *client = chip->client;  in ad5398_enable()
163 	struct ad5398_chip_info *chip = rdev_get_drvdata(rdev);  in ad5398_disable()  local
164 	struct i2c_client *client = chip->client;  in ad5398_disable()
219 	struct ad5398_chip_info *chip;  in ad5398_probe()  local
226 	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);  in ad5398_probe()
227 	if (!chip)  in ad5398_probe()
232 	config.driver_data = chip;  in ad5398_probe()
234 	chip->client = client;  in ad5398_probe()
236 	chip->min_uA = df->min_uA;  in ad5398_probe()
237 	chip->max_uA = df->max_uA;  in ad5398_probe()
238 	chip->current_level = 1 << df->current_bits;  in ad5398_probe()
239 	chip->current_offset = df->current_offset;  in ad5398_probe()
240 	chip->current_mask = (chip->current_level - 1) << chip->current_offset;  in ad5398_probe()
242 	chip->rdev = devm_regulator_register(&client->dev, &ad5398_reg,  in ad5398_probe()
244 	if (IS_ERR(chip->rdev)) {  in ad5398_probe()
247 		return PTR_ERR(chip->rdev);  in ad5398_probe()
250 	i2c_set_clientdata(client, chip);  in ad5398_probe()