24 struct lp3971 {  struct
30 static u8 lp3971_reg_read(struct lp3971 *lp3971, u8 reg);  argument
31 static int lp3971_set_bits(struct lp3971 *lp3971, u8 reg, u16 mask, u16 val);
112 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_ldo_is_enabled()  local
117 	val = lp3971_reg_read(lp3971, LP3971_LDO_ENABLE_REG);  in lp3971_ldo_is_enabled()
123 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_ldo_enable()  local
127 	return lp3971_set_bits(lp3971, LP3971_LDO_ENABLE_REG, mask, mask);  in lp3971_ldo_enable()
132 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_ldo_disable()  local
136 	return lp3971_set_bits(lp3971, LP3971_LDO_ENABLE_REG, mask, 0);  in lp3971_ldo_disable()
141 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_ldo_get_voltage_sel()  local
145 	reg = lp3971_reg_read(lp3971, LP3971_LDO_VOL_CONTR_REG(ldo));  in lp3971_ldo_get_voltage_sel()
154 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_ldo_set_voltage_sel()  local
157 	return lp3971_set_bits(lp3971, LP3971_LDO_VOL_CONTR_REG(ldo),  in lp3971_ldo_set_voltage_sel()
174 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_dcdc_is_enabled()  local
179 	val = lp3971_reg_read(lp3971, LP3971_BUCK_VOL_ENABLE_REG);  in lp3971_dcdc_is_enabled()
185 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_dcdc_enable()  local
189 	return lp3971_set_bits(lp3971, LP3971_BUCK_VOL_ENABLE_REG, mask, mask);  in lp3971_dcdc_enable()
194 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_dcdc_disable()  local
198 	return lp3971_set_bits(lp3971, LP3971_BUCK_VOL_ENABLE_REG, mask, 0);  in lp3971_dcdc_disable()
203 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_dcdc_get_voltage_sel()  local
207 	reg = lp3971_reg_read(lp3971, LP3971_BUCK_TARGET_VOL1_REG(buck));  in lp3971_dcdc_get_voltage_sel()
216 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_dcdc_set_voltage_sel()  local
220 	ret = lp3971_set_bits(lp3971, LP3971_BUCK_TARGET_VOL1_REG(buck),  in lp3971_dcdc_set_voltage_sel()
225 	ret = lp3971_set_bits(lp3971, LP3971_BUCK_VOL_CHANGE_REG,  in lp3971_dcdc_set_voltage_sel()
231 	return lp3971_set_bits(lp3971, LP3971_BUCK_VOL_CHANGE_REG,  in lp3971_dcdc_set_voltage_sel()
344 static u8 lp3971_reg_read(struct lp3971 *lp3971, u8 reg)  in lp3971_reg_read()  argument
348 	mutex_lock(&lp3971->io_lock);  in lp3971_reg_read()
350 	lp3971_i2c_read(lp3971->i2c, reg, 1, &val);  in lp3971_reg_read()
352 	dev_dbg(lp3971->dev, "reg read 0x%02x -> 0x%02x\n", (int)reg,  in lp3971_reg_read()
355 	mutex_unlock(&lp3971->io_lock);  in lp3971_reg_read()
360 static int lp3971_set_bits(struct lp3971 *lp3971, u8 reg, u16 mask, u16 val)  in lp3971_set_bits()  argument
365 	mutex_lock(&lp3971->io_lock);  in lp3971_set_bits()
367 	ret = lp3971_i2c_read(lp3971->i2c, reg, 1, &tmp);  in lp3971_set_bits()
370 		ret = lp3971_i2c_write(lp3971->i2c, reg, 1, &tmp);  in lp3971_set_bits()
371 		dev_dbg(lp3971->dev, "reg write 0x%02x -> 0x%02x\n", (int)reg,  in lp3971_set_bits()
374 	mutex_unlock(&lp3971->io_lock);  in lp3971_set_bits()
379 static int setup_regulators(struct lp3971 *lp3971,  in setup_regulators()  argument
390 		config.dev = lp3971->dev;  in setup_regulators()
392 		config.driver_data = lp3971;  in setup_regulators()
394 		rdev = devm_regulator_register(lp3971->dev,  in setup_regulators()
398 			dev_err(lp3971->dev, "regulator init failed: %d\n",  in setup_regulators()
410 	struct lp3971 *lp3971;  in lp3971_i2c_probe()  local
420 	lp3971 = devm_kzalloc(&i2c->dev, sizeof(struct lp3971), GFP_KERNEL);  in lp3971_i2c_probe()
421 	if (lp3971 == NULL)  in lp3971_i2c_probe()
424 	lp3971->i2c = i2c;  in lp3971_i2c_probe()
425 	lp3971->dev = &i2c->dev;  in lp3971_i2c_probe()
427 	mutex_init(&lp3971->io_lock);  in lp3971_i2c_probe()
438 	ret = setup_regulators(lp3971, pdata);  in lp3971_i2c_probe()
442 	i2c_set_clientdata(i2c, lp3971);  in lp3971_i2c_probe()