21 struct lp3972 {  struct
190 static u8 lp3972_reg_read(struct lp3972 *lp3972, u8 reg)  in lp3972_reg_read()  argument
194 	mutex_lock(&lp3972->io_lock);  in lp3972_reg_read()
196 	lp3972_i2c_read(lp3972->i2c, reg, 1, &val);  in lp3972_reg_read()
198 	dev_dbg(lp3972->dev, "reg read 0x%02x -> 0x%02x\n", (int)reg,  in lp3972_reg_read()
201 	mutex_unlock(&lp3972->io_lock);  in lp3972_reg_read()
206 static int lp3972_set_bits(struct lp3972 *lp3972, u8 reg, u16 mask, u16 val)  in lp3972_set_bits()  argument
211 	mutex_lock(&lp3972->io_lock);  in lp3972_set_bits()
213 	ret = lp3972_i2c_read(lp3972->i2c, reg, 1, &tmp);  in lp3972_set_bits()
216 		ret = lp3972_i2c_write(lp3972->i2c, reg, 1, &tmp);  in lp3972_set_bits()
217 		dev_dbg(lp3972->dev, "reg write 0x%02x -> 0x%02x\n", (int)reg,  in lp3972_set_bits()
220 	mutex_unlock(&lp3972->io_lock);  in lp3972_set_bits()
227 	struct lp3972 *lp3972 = rdev_get_drvdata(dev);  in lp3972_ldo_is_enabled()  local
232 	val = lp3972_reg_read(lp3972, LP3972_LDO_OUTPUT_ENABLE_REG(ldo));  in lp3972_ldo_is_enabled()
238 	struct lp3972 *lp3972 = rdev_get_drvdata(dev);  in lp3972_ldo_enable()  local
242 	return lp3972_set_bits(lp3972, LP3972_LDO_OUTPUT_ENABLE_REG(ldo),  in lp3972_ldo_enable()
248 	struct lp3972 *lp3972 = rdev_get_drvdata(dev);  in lp3972_ldo_disable()  local
252 	return lp3972_set_bits(lp3972, LP3972_LDO_OUTPUT_ENABLE_REG(ldo),  in lp3972_ldo_disable()
258 	struct lp3972 *lp3972 = rdev_get_drvdata(dev);  in lp3972_ldo_get_voltage_sel()  local
263 	reg = lp3972_reg_read(lp3972, LP3972_LDO_VOL_CONTR_REG(ldo));  in lp3972_ldo_get_voltage_sel()
272 	struct lp3972 *lp3972 = rdev_get_drvdata(dev);  in lp3972_ldo_set_voltage_sel()  local
277 	ret = lp3972_set_bits(lp3972, LP3972_LDO_VOL_CONTR_REG(ldo),  in lp3972_ldo_set_voltage_sel()
294 		ret = lp3972_set_bits(lp3972, LP3972_VOL_CHANGE_REG,  in lp3972_ldo_set_voltage_sel()
300 		ret = lp3972_set_bits(lp3972, LP3972_VOL_CHANGE_REG,  in lp3972_ldo_set_voltage_sel()
320 	struct lp3972 *lp3972 = rdev_get_drvdata(dev);  in lp3972_dcdc_is_enabled()  local
325 	val = lp3972_reg_read(lp3972, LP3972_BUCK_VOL_ENABLE_REG(buck));  in lp3972_dcdc_is_enabled()
331 	struct lp3972 *lp3972 = rdev_get_drvdata(dev);  in lp3972_dcdc_enable()  local
336 	val = lp3972_set_bits(lp3972, LP3972_BUCK_VOL_ENABLE_REG(buck),  in lp3972_dcdc_enable()
343 	struct lp3972 *lp3972 = rdev_get_drvdata(dev);  in lp3972_dcdc_disable()  local
348 	val = lp3972_set_bits(lp3972, LP3972_BUCK_VOL_ENABLE_REG(buck),  in lp3972_dcdc_disable()
355 	struct lp3972 *lp3972 = rdev_get_drvdata(dev);  in lp3972_dcdc_get_voltage_sel()  local
359 	reg = lp3972_reg_read(lp3972, LP3972_BUCK_VOL1_REG(buck));  in lp3972_dcdc_get_voltage_sel()
368 	struct lp3972 *lp3972 = rdev_get_drvdata(dev);  in lp3972_dcdc_set_voltage_sel()  local
372 	ret = lp3972_set_bits(lp3972, LP3972_BUCK_VOL1_REG(buck),  in lp3972_dcdc_set_voltage_sel()
380 	ret = lp3972_set_bits(lp3972, LP3972_VOL_CHANGE_REG,  in lp3972_dcdc_set_voltage_sel()
385 	return lp3972_set_bits(lp3972, LP3972_VOL_CHANGE_REG,  in lp3972_dcdc_set_voltage_sel()
474 static int setup_regulators(struct lp3972 *lp3972,  in setup_regulators()  argument
485 		config.dev = lp3972->dev;  in setup_regulators()
487 		config.driver_data = lp3972;  in setup_regulators()
489 		rdev = devm_regulator_register(lp3972->dev,  in setup_regulators()
493 			dev_err(lp3972->dev, "regulator init failed: %d\n",  in setup_regulators()
505 	struct lp3972 *lp3972;  in lp3972_i2c_probe()  local
515 	lp3972 = devm_kzalloc(&i2c->dev, sizeof(struct lp3972), GFP_KERNEL);  in lp3972_i2c_probe()
516 	if (!lp3972)  in lp3972_i2c_probe()
519 	lp3972->i2c = i2c;  in lp3972_i2c_probe()
520 	lp3972->dev = &i2c->dev;  in lp3972_i2c_probe()
522 	mutex_init(&lp3972->io_lock);  in lp3972_i2c_probe()
536 	ret = setup_regulators(lp3972, pdata);  in lp3972_i2c_probe()
540 	i2c_set_clientdata(i2c, lp3972);  in lp3972_i2c_probe()