diff options
Diffstat (limited to 'drivers/power/smb347-charger.c')
| -rw-r--r-- | drivers/power/smb347-charger.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/drivers/power/smb347-charger.c b/drivers/power/smb347-charger.c index 0dfe063f4178..18d53748e66d 100644 --- a/drivers/power/smb347-charger.c +++ b/drivers/power/smb347-charger.c @@ -235,14 +235,14 @@ static int smb347_write(struct smb347_charger *smb, u8 reg, u8 val) } /** - * smb347_update_status - updates the charging status + * smb347_update_ps_status - refreshes the power source status * @smb: pointer to smb347 charger instance * - * Function checks status of the charging and updates internal state - * accordingly. Returns %0 if there is no change in status, %1 if the - * status has changed and negative errno in case of failure. + * Function checks whether any power source is connected to the charger and + * updates internal state accordingly. If there is a change to previous state + * function returns %1, otherwise %0 and negative errno in case of errror. */ -static int smb347_update_status(struct smb347_charger *smb) +static int smb347_update_ps_status(struct smb347_charger *smb) { bool usb = false; bool dc = false; @@ -271,15 +271,15 @@ static int smb347_update_status(struct smb347_charger *smb) } /* - * smb347_is_online - returns whether input power source is connected + * smb347_is_ps_online - returns whether input power source is connected * @smb: pointer to smb347 charger instance * * Returns %true if input power source is connected. Note that this is * dependent on what platform has configured for usable power sources. For - * example if USB is disabled, this will return %false even if the USB - * cable is connected. + * example if USB is disabled, this will return %false even if the USB cable + * is connected. */ -static bool smb347_is_online(struct smb347_charger *smb) +static bool smb347_is_ps_online(struct smb347_charger *smb) { bool ret; @@ -301,7 +301,7 @@ static int smb347_charging_status(struct smb347_charger *smb) { int ret; - if (!smb347_is_online(smb)) + if (!smb347_is_ps_online(smb)) return 0; ret = smb347_read(smb, STAT_C); @@ -351,7 +351,7 @@ static inline int smb347_charging_disable(struct smb347_charger *smb) return smb347_charging_set(smb, false); } -static int smb347_update_online(struct smb347_charger *smb) +static int smb347_start_stop_charging(struct smb347_charger *smb) { int ret; @@ -360,7 +360,7 @@ static int smb347_update_online(struct smb347_charger *smb) * disable or enable the charging. We do it manually because it * depends on how the platform has configured the valid inputs. */ - if (smb347_is_online(smb)) { + if (smb347_is_ps_online(smb)) { ret = smb347_charging_enable(smb); if (ret < 0) dev_err(&smb->client->dev, @@ -749,11 +749,11 @@ static int smb347_hw_init(struct smb347_charger *smb) if (ret < 0) goto fail; - ret = smb347_update_status(smb); + ret = smb347_update_ps_status(smb); if (ret < 0) goto fail; - ret = smb347_update_online(smb); + ret = smb347_start_stop_charging(smb); fail: smb347_set_writable(smb, false); @@ -814,8 +814,8 @@ static irqreturn_t smb347_interrupt(int irq, void *data) * was connected or disconnected. */ if (irqstat_e & (IRQSTAT_E_USBIN_UV_IRQ | IRQSTAT_E_DCIN_UV_IRQ)) { - if (smb347_update_status(smb) > 0) { - smb347_update_online(smb); + if (smb347_update_ps_status(smb) > 0) { + smb347_start_stop_charging(smb); if (smb->pdata->use_mains) power_supply_changed(&smb->mains); if (smb->pdata->use_usb) @@ -989,13 +989,13 @@ static int smb347_battery_get_property(struct power_supply *psy, const struct smb347_charger_platform_data *pdata = smb->pdata; int ret; - ret = smb347_update_status(smb); + ret = smb347_update_ps_status(smb); if (ret < 0) return ret; switch (prop) { case POWER_SUPPLY_PROP_STATUS: - if (!smb347_is_online(smb)) { + if (!smb347_is_ps_online(smb)) { val->intval = POWER_SUPPLY_STATUS_DISCHARGING; break; } @@ -1006,7 +1006,7 @@ static int smb347_battery_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_CHARGE_TYPE: - if (!smb347_is_online(smb)) + if (!smb347_is_ps_online(smb)) return -ENODATA; /* @@ -1039,7 +1039,7 @@ static int smb347_battery_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_VOLTAGE_NOW: - if (!smb347_is_online(smb)) + if (!smb347_is_ps_online(smb)) return -ENODATA; ret = smb347_read(smb, STAT_A); if (ret < 0) @@ -1053,7 +1053,7 @@ static int smb347_battery_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_CURRENT_NOW: - if (!smb347_is_online(smb)) + if (!smb347_is_ps_online(smb)) return -ENODATA; ret = smb347_read(smb, STAT_B); |