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Commit 7c34d7c2 authored by Jonas Aaberg's avatar Jonas Aaberg Committed by Lee Jones
Browse files

mfd: ab8500-sysctrl: If a charger is present, reboot instead 



If a charger is attached on power off, reboot the system
into charging mode instead of powering it off.

Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Signed-off-by: default avatarJonas Aaberg <jonas.aberg@stericsson.com>
Reviewed-by: default avatarKarl KOMIEROWSKI <karl.komierowski@stericsson.com>
parent 379749c4

drivers/mfd/ab8500-sysctrl.c

+27 −0
Original line number Diff line number Diff line
@@ -8,7 +8,9 @@ 
#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/pm.h>

#include <linux/reboot.h>

#include <linux/signal.h>

#include <linux/power_supply.h>

#include <linux/mfd/abx500.h>

#include <linux/mfd/abx500/ab8500.h>

#include <linux/mfd/abx500/ab8500-sysctrl.h>
@@ -19,6 +21,31 @@ void ab8500_power_off(void) 
{

	sigset_t old;

	sigset_t all;

	static char *pss[] = {"ab8500_ac", "ab8500_usb"};

	int i;



	/*

	 * If we have a charger connected and we're powering off,

	 * reboot into charge-only mode.

	 */



	for (i = 0; i < ARRAY_SIZE(pss); i++) {

		union power_supply_propval val;

		struct power_supply *psy;

		int ret;



		psy = power_supply_get_by_name(pss[i]);

		if (!psy)

			continue;

		ret = psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &val);



		if (!ret && val.intval) {

			printk(KERN_INFO

			       "Charger \"%s\" is connected. Rebooting.\n",

			       pss[i]);

			machine_restart(NULL);

		}

	}



	sigfillset(&all);