| H A D | lp3972.c | 18 #include <linux/regulator/lp3972.h>
21 struct lp3972 { struct
190 static u8 lp3972_reg_read(struct lp3972 *lp3972, u8 reg) lp3972_reg_read() argument
194 mutex_lock(&lp3972->io_lock); lp3972_reg_read()
196 lp3972_i2c_read(lp3972->i2c, reg, 1, &val); lp3972_reg_read()
198 dev_dbg(lp3972->dev, "reg read 0x%02x -> 0x%02x\n", (int)reg, lp3972_reg_read()
201 mutex_unlock(&lp3972->io_lock); lp3972_reg_read()
206 static int lp3972_set_bits(struct lp3972 *lp3972, u8 reg, u16 mask, u16 val) lp3972_set_bits() argument
211 mutex_lock(&lp3972->io_lock); lp3972_set_bits()
213 ret = lp3972_i2c_read(lp3972->i2c, reg, 1, &tmp); lp3972_set_bits()
216 ret = lp3972_i2c_write(lp3972->i2c, reg, 1, &tmp); lp3972_set_bits()
217 dev_dbg(lp3972->dev, "reg write 0x%02x -> 0x%02x\n", (int)reg, lp3972_set_bits()
220 mutex_unlock(&lp3972->io_lock); lp3972_set_bits()
227 struct lp3972 *lp3972 = rdev_get_drvdata(dev); lp3972_ldo_is_enabled() local
232 val = lp3972_reg_read(lp3972, LP3972_LDO_OUTPUT_ENABLE_REG(ldo)); lp3972_ldo_is_enabled()
238 struct lp3972 *lp3972 = rdev_get_drvdata(dev); lp3972_ldo_enable() local
242 return lp3972_set_bits(lp3972, LP3972_LDO_OUTPUT_ENABLE_REG(ldo), lp3972_ldo_enable()
248 struct lp3972 *lp3972 = rdev_get_drvdata(dev); lp3972_ldo_disable() local
252 return lp3972_set_bits(lp3972, LP3972_LDO_OUTPUT_ENABLE_REG(ldo), lp3972_ldo_disable()
258 struct lp3972 *lp3972 = rdev_get_drvdata(dev); lp3972_ldo_get_voltage_sel() local
263 reg = lp3972_reg_read(lp3972, LP3972_LDO_VOL_CONTR_REG(ldo)); lp3972_ldo_get_voltage_sel()
272 struct lp3972 *lp3972 = rdev_get_drvdata(dev); lp3972_ldo_set_voltage_sel() local
277 ret = lp3972_set_bits(lp3972, LP3972_LDO_VOL_CONTR_REG(ldo), lp3972_ldo_set_voltage_sel()
294 ret = lp3972_set_bits(lp3972, LP3972_VOL_CHANGE_REG, lp3972_ldo_set_voltage_sel()
300 ret = lp3972_set_bits(lp3972, LP3972_VOL_CHANGE_REG, lp3972_ldo_set_voltage_sel()
320 struct lp3972 *lp3972 = rdev_get_drvdata(dev); lp3972_dcdc_is_enabled() local
325 val = lp3972_reg_read(lp3972, LP3972_BUCK_VOL_ENABLE_REG(buck)); lp3972_dcdc_is_enabled()
331 struct lp3972 *lp3972 = rdev_get_drvdata(dev); lp3972_dcdc_enable() local
336 val = lp3972_set_bits(lp3972, LP3972_BUCK_VOL_ENABLE_REG(buck), lp3972_dcdc_enable()
343 struct lp3972 *lp3972 = rdev_get_drvdata(dev); lp3972_dcdc_disable() local
348 val = lp3972_set_bits(lp3972, LP3972_BUCK_VOL_ENABLE_REG(buck), lp3972_dcdc_disable()
355 struct lp3972 *lp3972 = rdev_get_drvdata(dev); lp3972_dcdc_get_voltage_sel() local
359 reg = lp3972_reg_read(lp3972, LP3972_BUCK_VOL1_REG(buck)); lp3972_dcdc_get_voltage_sel()
368 struct lp3972 *lp3972 = rdev_get_drvdata(dev); lp3972_dcdc_set_voltage_sel() local
372 ret = lp3972_set_bits(lp3972, LP3972_BUCK_VOL1_REG(buck), lp3972_dcdc_set_voltage_sel()
380 ret = lp3972_set_bits(lp3972, LP3972_VOL_CHANGE_REG, lp3972_dcdc_set_voltage_sel()
385 return lp3972_set_bits(lp3972, LP3972_VOL_CHANGE_REG, lp3972_dcdc_set_voltage_sel()
474 static int setup_regulators(struct lp3972 *lp3972, setup_regulators() argument
485 config.dev = lp3972->dev; setup_regulators()
487 config.driver_data = lp3972; setup_regulators()
489 rdev = devm_regulator_register(lp3972->dev, setup_regulators()
493 dev_err(lp3972->dev, "regulator init failed: %d\n", setup_regulators()
505 struct lp3972 *lp3972; lp3972_i2c_probe() local
515 lp3972 = devm_kzalloc(&i2c->dev, sizeof(struct lp3972), GFP_KERNEL); lp3972_i2c_probe()
516 if (!lp3972) lp3972_i2c_probe()
519 lp3972->i2c = i2c; lp3972_i2c_probe()
520 lp3972->dev = &i2c->dev; lp3972_i2c_probe()
522 mutex_init(&lp3972->io_lock); lp3972_i2c_probe()
536 ret = setup_regulators(lp3972, pdata); lp3972_i2c_probe()
540 i2c_set_clientdata(i2c, lp3972); lp3972_i2c_probe()
545 { "lp3972", 0 },
552 .name = "lp3972",
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