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power: supply: sc2731_charger: Add charger status detection

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The USB charger status can be notified before the charger driver registers
the USB phy notifier, so we should check the charger status in probe() in
case we missed the USB charger notification.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Baolin Wang 2018-11-12 18:52:36 +08:00 committed by Sebastian Reichel
parent 8ac1091ed1
commit 18c807dbf9
1 changed files with 20 additions and 0 deletions
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20
drivers/power/supply/sc2731_charger.c
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@ -432,6 +432,24 @@ error:
return ret;
}
static void sc2731_charger_detect_status(struct sc2731_charger_info *info)
{
unsigned int min, max;
/*
* If the USB charger status has been USB_CHARGER_PRESENT before
* registering the notifier, we should start to charge with getting
* the charge current.
*/
if (info->usb_phy->chg_state != USB_CHARGER_PRESENT)
return;
usb_phy_get_charger_current(info->usb_phy, &min, &max);
info->limit = min;
schedule_work(&info->work);
}
static int sc2731_charger_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@ -486,6 +504,8 @@ static int sc2731_charger_probe(struct platform_device *pdev)
return ret;
}
sc2731_charger_detect_status(info);
return 0;
}