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power: smb347: manage EN pin if given in pdata

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Change-Id: Ie6c6828dc382aaacdd8cb1d3f5d19e9c8bb7d843
Signed-off-by: Todd Poynor <toddpoynor@google.com>
This commit is contained in:
Todd Poynor 2012-07-19 00:31:40 -07:00 committed by Android Partner Code Review
parent 20a29931ec
commit 64f17a6360
2 changed files with 21 additions and 2 deletions
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22
drivers/power/smb347-charger.c
View File

@ -142,6 +142,7 @@ struct smb347_charger {
unsigned int mains_current_limit;
bool usb_hc_mode;
bool usb_otg_enabled;
int en_gpio;
struct dentry *dentry;
const struct smb347_charger_platform_data *pdata;
};
@ -324,8 +325,12 @@ static int smb347_charging_set(struct smb347_charger *smb, bool enable)
if (smb->pdata->enable_control != SMB347_CHG_ENABLE_SW) {
smb->charging_enabled = enable;
dev_dbg(&smb->client->dev,
"charging enable/disable in SW disabled\n");
if (smb->en_gpio)
gpio_set_value(
smb->en_gpio,
(smb->pdata->enable_control ==
SMB347_CHG_ENABLE_PIN_ACTIVE_LOW) ^ enable);
return 0;
}
@ -1359,6 +1364,19 @@ static int smb347_probe(struct i2c_client *client,
smb->mains_current_limit = smb->pdata->mains_current_limit;
if (pdata->en_gpio) {
ret = gpio_request_one(
pdata->en_gpio,
smb->pdata->enable_control ==
SMB347_CHG_ENABLE_PIN_ACTIVE_LOW ?
GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
smb->client->name);
if (ret < 0)
dev_warn(dev, "failed to claim EN GPIO: %d\n", ret);
else
smb->en_gpio = pdata->en_gpio;
}
ret = smb347_hw_init(smb);
if (ret < 0)
return ret;

1
include/linux/power/smb347-charger.h
View File

@ -115,6 +115,7 @@ struct smb347_charger_platform_data {
bool usb_mode_pin_ctrl;
char **supplied_to;
size_t num_supplicants;
int en_gpio;
};
#endif /* SMB347_CHARGER_H */