Eric Lee / linux-smarc-t335x-v3.2

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Commit f10513de2a6036742b55e23278f0322f2e5c3772

Authored by Benson Leung
Committed by Anton Vorontsov
1 parent b14a9ccc1d
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

gpio-charger: Add gpio_charger_resume 

Gpio charger should notify if the gpio state had changed
during suspend. This will send a CHANGED event each time
the system resumes, ensuring a plug/unplug of the charger
is not missed.

Signed-off-by: Benson Leung <bleung@chromium.org>
Acked-By: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>

Showing 1 changed file with 15 additions and 0 deletions Side-by-side Diff

drivers/power/gpio-charger.c
Diff comments   View file @ f10513d
... ... @@ -161,12 +161,27 @@
161 161 return 0;
162 162 }
163 163  
  164 +#ifdef CONFIG_PM_SLEEP
  165 +static int gpio_charger_resume(struct device *dev)
  166 +{
  167 + struct platform_device *pdev = to_platform_device(dev);
  168 + struct gpio_charger *gpio_charger = platform_get_drvdata(pdev);
  169 +
  170 + power_supply_changed(&gpio_charger->charger);
  171 +
  172 + return 0;
  173 +}
  174 +#endif
  175 +
  176 +static SIMPLE_DEV_PM_OPS(gpio_charger_pm_ops, NULL, gpio_charger_resume);
  177 +
164 178 static struct platform_driver gpio_charger_driver = {
165 179 .probe = gpio_charger_probe,
166 180 .remove = __devexit_p(gpio_charger_remove),
167 181 .driver = {
168 182 .name = "gpio-charger",
169 183 .owner = THIS_MODULE,
  184 + .pm = &gpio_charger_pm_ops,
170 185 },
171 186 };
172 187