Commit cae659af authored by Daniel Drake's avatar Daniel Drake Committed by Anton Vorontsov
Browse files

olpc_battery: Add wakeup support 



Battery and AC events can now be used to wake up the system from suspend.

Signed-off-by: default avatarDaniel Drake <dsd@laptop.org>
Acked-by: default avatarAndres Salomon <dilinger@queued.net>
Signed-off-by: default avatarAnton Vorontsov <cbouatmailru@gmail.com>
parent c3503fd0

drivers/power/olpc_battery.c

+24 −0
Original line number Diff line number Diff line
@@ -533,6 +533,24 @@ void olpc_battery_trigger_uevent(unsigned long cause) 
		kobject_uevent(&olpc_bat.dev->kobj, KOBJ_CHANGE);

}



static int olpc_battery_suspend(struct platform_device *pdev,

				pm_message_t state)

{

	if (device_may_wakeup(olpc_ac.dev))

		olpc_ec_wakeup_set(EC_SCI_SRC_ACPWR);

	else

		olpc_ec_wakeup_clear(EC_SCI_SRC_ACPWR);



	if (device_may_wakeup(olpc_bat.dev))

		olpc_ec_wakeup_set(EC_SCI_SRC_BATTERY | EC_SCI_SRC_BATSOC

				   | EC_SCI_SRC_BATERR);

	else

		olpc_ec_wakeup_clear(EC_SCI_SRC_BATTERY | EC_SCI_SRC_BATSOC

				     | EC_SCI_SRC_BATERR);



	return 0;

}



static int __devinit olpc_battery_probe(struct platform_device *pdev)

{

	int ret;
@@ -578,6 +596,11 @@ static int __devinit olpc_battery_probe(struct platform_device *pdev) 
	if (ret)

		goto error_failed;



	if (olpc_ec_wakeup_available()) {

		device_set_wakeup_capable(olpc_ac.dev, true);

		device_set_wakeup_capable(olpc_bat.dev, true);

	}



	return 0;



error_failed:
@@ -612,6 +635,7 @@ static struct platform_driver olpc_battery_drv = { 
	},

	.probe = olpc_battery_probe,

	.remove = __devexit_p(olpc_battery_remove),

	.suspend = olpc_battery_suspend,

};



static int __init olpc_bat_init(void)