20 struct lp3971 {  struct
26 static u8 lp3971_reg_read(struct lp3971 *lp3971, u8 reg);  argument
27 static int lp3971_set_bits(struct lp3971 *lp3971, u8 reg, u16 mask, u16 val);
108 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_ldo_is_enabled()  local
113 	val = lp3971_reg_read(lp3971, LP3971_LDO_ENABLE_REG);  in lp3971_ldo_is_enabled()
119 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_ldo_enable()  local
123 	return lp3971_set_bits(lp3971, LP3971_LDO_ENABLE_REG, mask, mask);  in lp3971_ldo_enable()
128 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_ldo_disable()  local
132 	return lp3971_set_bits(lp3971, LP3971_LDO_ENABLE_REG, mask, 0);  in lp3971_ldo_disable()
137 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_ldo_get_voltage_sel()  local
141 	reg = lp3971_reg_read(lp3971, LP3971_LDO_VOL_CONTR_REG(ldo));  in lp3971_ldo_get_voltage_sel()
150 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_ldo_set_voltage_sel()  local
153 	return lp3971_set_bits(lp3971, LP3971_LDO_VOL_CONTR_REG(ldo),  in lp3971_ldo_set_voltage_sel()
170 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_dcdc_is_enabled()  local
175 	val = lp3971_reg_read(lp3971, LP3971_BUCK_VOL_ENABLE_REG);  in lp3971_dcdc_is_enabled()
181 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_dcdc_enable()  local
185 	return lp3971_set_bits(lp3971, LP3971_BUCK_VOL_ENABLE_REG, mask, mask);  in lp3971_dcdc_enable()
190 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_dcdc_disable()  local
194 	return lp3971_set_bits(lp3971, LP3971_BUCK_VOL_ENABLE_REG, mask, 0);  in lp3971_dcdc_disable()
199 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_dcdc_get_voltage_sel()  local
203 	reg = lp3971_reg_read(lp3971, LP3971_BUCK_TARGET_VOL1_REG(buck));  in lp3971_dcdc_get_voltage_sel()
212 	struct lp3971 *lp3971 = rdev_get_drvdata(dev);  in lp3971_dcdc_set_voltage_sel()  local
216 	ret = lp3971_set_bits(lp3971, LP3971_BUCK_TARGET_VOL1_REG(buck),  in lp3971_dcdc_set_voltage_sel()
221 	ret = lp3971_set_bits(lp3971, LP3971_BUCK_VOL_CHANGE_REG,  in lp3971_dcdc_set_voltage_sel()
227 	return lp3971_set_bits(lp3971, LP3971_BUCK_VOL_CHANGE_REG,  in lp3971_dcdc_set_voltage_sel()
340 static u8 lp3971_reg_read(struct lp3971 *lp3971, u8 reg)  in lp3971_reg_read()  argument
344 	mutex_lock(&lp3971->io_lock);  in lp3971_reg_read()
346 	lp3971_i2c_read(lp3971->i2c, reg, 1, &val);  in lp3971_reg_read()
348 	dev_dbg(lp3971->dev, "reg read 0x%02x -> 0x%02x\n", (int)reg,  in lp3971_reg_read()
351 	mutex_unlock(&lp3971->io_lock);  in lp3971_reg_read()
356 static int lp3971_set_bits(struct lp3971 *lp3971, u8 reg, u16 mask, u16 val)  in lp3971_set_bits()  argument
361 	mutex_lock(&lp3971->io_lock);  in lp3971_set_bits()
363 	ret = lp3971_i2c_read(lp3971->i2c, reg, 1, &tmp);  in lp3971_set_bits()
366 		ret = lp3971_i2c_write(lp3971->i2c, reg, 1, &tmp);  in lp3971_set_bits()
367 		dev_dbg(lp3971->dev, "reg write 0x%02x -> 0x%02x\n", (int)reg,  in lp3971_set_bits()
370 	mutex_unlock(&lp3971->io_lock);  in lp3971_set_bits()
375 static int setup_regulators(struct lp3971 *lp3971,  in setup_regulators()  argument
386 		config.dev = lp3971->dev;  in setup_regulators()
388 		config.driver_data = lp3971;  in setup_regulators()
390 		rdev = devm_regulator_register(lp3971->dev,  in setup_regulators()
394 			dev_err(lp3971->dev, "regulator init failed: %d\n",  in setup_regulators()
405 	struct lp3971 *lp3971;  in lp3971_i2c_probe()  local
415 	lp3971 = devm_kzalloc(&i2c->dev, sizeof(struct lp3971), GFP_KERNEL);  in lp3971_i2c_probe()
416 	if (lp3971 == NULL)  in lp3971_i2c_probe()
419 	lp3971->i2c = i2c;  in lp3971_i2c_probe()
420 	lp3971->dev = &i2c->dev;  in lp3971_i2c_probe()
422 	mutex_init(&lp3971->io_lock);  in lp3971_i2c_probe()
433 	ret = setup_regulators(lp3971, pdata);  in lp3971_i2c_probe()
437 	i2c_set_clientdata(i2c, lp3971);  in lp3971_i2c_probe()