diff options
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/lp8727_charger.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c index a7e5cc2b4d7..b15b575c070 100644 --- a/drivers/power/lp8727_charger.c +++ b/drivers/power/lp8727_charger.c @@ -91,7 +91,7 @@ struct lp8727_chg { enum lp8727_dev_id devid; }; -static int lp8727_i2c_read(struct lp8727_chg *pchg, u8 reg, u8 * data, u8 len) +static int lp8727_i2c_read(struct lp8727_chg *pchg, u8 reg, u8 *data, u8 len) { s32 ret; @@ -102,7 +102,7 @@ static int lp8727_i2c_read(struct lp8727_chg *pchg, u8 reg, u8 * data, u8 len) return (ret != len) ? -EIO : 0; } -static int lp8727_i2c_write(struct lp8727_chg *pchg, u8 reg, u8 * data, u8 len) +static int lp8727_i2c_write(struct lp8727_chg *pchg, u8 reg, u8 *data, u8 len) { s32 ret; @@ -114,13 +114,13 @@ static int lp8727_i2c_write(struct lp8727_chg *pchg, u8 reg, u8 * data, u8 len) } static inline int lp8727_i2c_read_byte(struct lp8727_chg *pchg, u8 reg, - u8 * data) + u8 *data) { return lp8727_i2c_read(pchg, reg, data, 1); } static inline int lp8727_i2c_write_byte(struct lp8727_chg *pchg, u8 reg, - u8 * data) + u8 *data) { return lp8727_i2c_write(pchg, reg, data, 1); } @@ -153,21 +153,21 @@ static void lp8727_init_device(struct lp8727_chg *pchg) static int lp8727_is_dedicated_charger(struct lp8727_chg *pchg) { u8 val; - (void)lp8727_i2c_read_byte(pchg, STATUS1, &val); + lp8727_i2c_read_byte(pchg, STATUS1, &val); return (val & DCPORT); } static int lp8727_is_usb_charger(struct lp8727_chg *pchg) { u8 val; - (void)lp8727_i2c_read_byte(pchg, STATUS1, &val); + lp8727_i2c_read_byte(pchg, STATUS1, &val); return (val & CHPORT); } static void lp8727_ctrl_switch(struct lp8727_chg *pchg, u8 sw) { u8 val = sw; - (void)lp8727_i2c_write_byte(pchg, SWCTRL, &val); + lp8727_i2c_write_byte(pchg, SWCTRL, &val); } static void lp8727_id_detection(struct lp8727_chg *pchg, u8 id, int vbusin) @@ -207,9 +207,9 @@ static void lp8727_enable_chgdet(struct lp8727_chg *pchg) { u8 val; - (void)lp8727_i2c_read_byte(pchg, CTRL2, &val); + lp8727_i2c_read_byte(pchg, CTRL2, &val); val |= CHGDET_EN; - (void)lp8727_i2c_write_byte(pchg, CTRL2, &val); + lp8727_i2c_write_byte(pchg, CTRL2, &val); } static void lp8727_delayed_func(struct work_struct *_work) @@ -283,10 +283,9 @@ static int lp8727_charger_get_property(struct power_supply *psy, { struct lp8727_chg *pchg = dev_get_drvdata(psy->dev->parent); - if (psp == POWER_SUPPLY_PROP_ONLINE) { + if (psp == POWER_SUPPLY_PROP_ONLINE) val->intval = lp8727_is_charger_attached(psy->name, pchg->devid); - } return 0; } @@ -301,7 +300,7 @@ static int lp8727_battery_get_property(struct power_supply *psy, switch (psp) { case POWER_SUPPLY_PROP_STATUS: if (lp8727_is_charger_attached(psy->name, pchg->devid)) { - (void)lp8727_i2c_read_byte(pchg, STATUS1, &read); + lp8727_i2c_read_byte(pchg, STATUS1, &read); if (((read & CHGSTAT) >> 4) == EOC) val->intval = POWER_SUPPLY_STATUS_FULL; else @@ -311,7 +310,7 @@ static int lp8727_battery_get_property(struct power_supply *psy, } break; case POWER_SUPPLY_PROP_HEALTH: - (void)lp8727_i2c_read_byte(pchg, STATUS2, &read); + lp8727_i2c_read_byte(pchg, STATUS2, &read); read = (read & TEMP_STAT) >> 5; if (read >= 0x1 && read <= 0x3) val->intval = POWER_SUPPLY_HEALTH_OVERHEAT; @@ -352,7 +351,7 @@ static void lp8727_charger_changed(struct power_supply *psy) eoc_level = pchg->chg_parm->eoc_level; ichg = pchg->chg_parm->ichg; val = (ichg << 4) | eoc_level; - (void)lp8727_i2c_write_byte(pchg, CHGCTRL2, &val); + lp8727_i2c_write_byte(pchg, CHGCTRL2, &val); } } } @@ -412,12 +411,13 @@ static void lp8727_unregister_psy(struct lp8727_chg *pchg) { struct lp8727_psy *psy = pchg->psy; - if (psy) { - power_supply_unregister(&psy->ac); - power_supply_unregister(&psy->usb); - power_supply_unregister(&psy->batt); - kfree(psy); - } + if (!psy) + return; + + power_supply_unregister(&psy->ac); + power_supply_unregister(&psy->usb); + power_supply_unregister(&psy->batt); + kfree(psy); } static int lp8727_probe(struct i2c_client *cl, const struct i2c_device_id *id) @@ -443,10 +443,9 @@ static int lp8727_probe(struct i2c_client *cl, const struct i2c_device_id *id) lp8727_intr_config(pchg); ret = lp8727_register_psy(pchg); - if (ret) { + if (ret) dev_err(pchg->dev, "can not register power supplies. err=%d", ret); - } return 0; } @@ -481,14 +480,15 @@ static int __init lp8727_init(void) return i2c_add_driver(&lp8727_driver); } -static void __exit lp8727_chg_exit(void) +static void __exit lp8727_exit(void) { i2c_del_driver(&lp8727_driver); } module_init(lp8727_init); -module_exit(lp8727_chg_exit); +module_exit(lp8727_exit); MODULE_DESCRIPTION("National Semiconductor LP8727 charger driver"); -MODULE_AUTHOR("Woogyom Kim <milo.kim@nsc.com>"); +MODULE_AUTHOR + ("Woogyom Kim <milo.kim@ti.com>, Daniel Jeong <daniel.jeong@ti.com>"); MODULE_LICENSE("GPL"); |