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Commit c9ade0fc authored by Lee Jones's avatar Lee Jones
Browse files

abx500-chargalg: Add new sysfs interface to get current charge status 



Allow a user to check on AB8500 charging status from debugfs.

Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent e07a5645

drivers/power/ab8500_charger.c

+3 −0
Original line number Diff line number Diff line
@@ -2764,6 +2764,9 @@ static int ab8500_charger_usb_notifier_call(struct notifier_block *nb, 
	enum ab8500_usb_state bm_usb_state;

	unsigned mA = *((unsigned *)power);



	if (!di)

		return NOTIFY_DONE;



	if (event != USB_EVENT_VBUS) {

		dev_dbg(di->dev, "not a standard host, returning\n");

		return NOTIFY_DONE;

drivers/power/abx500_chargalg.c

+21 −1
Original line number Diff line number Diff line
@@ -1653,6 +1653,25 @@ static int abx500_chargalg_get_property(struct power_supply *psy, 


/* Exposure to the sysfs interface */



/**

 * abx500_chargalg_sysfs_show() - sysfs show operations

 * @kobj:      pointer to the struct kobject

 * @attr:      pointer to the struct attribute

 * @buf:       buffer that holds the parameter to send to userspace

 *

 * Returns a buffer to be displayed in user space

 */

static ssize_t abx500_chargalg_sysfs_show(struct kobject *kobj,

					  struct attribute *attr, char *buf)

{

	struct abx500_chargalg *di = container_of(kobj,

               struct abx500_chargalg, chargalg_kobject);



	return sprintf(buf, "%d\n",

		       di->susp_status.ac_suspended &&

		       di->susp_status.usb_suspended);

}



/**

 * abx500_chargalg_sysfs_charger() - sysfs store operations

 * @kobj:      pointer to the struct kobject
@@ -1721,7 +1740,7 @@ static ssize_t abx500_chargalg_sysfs_charger(struct kobject *kobj, 
static struct attribute abx500_chargalg_en_charger = \

{

	.name = "chargalg",

	.mode = S_IWUSR,

	.mode = S_IRUGO | S_IWUSR,

};



static struct attribute *abx500_chargalg_chg[] = {
@@ -1730,6 +1749,7 @@ static struct attribute *abx500_chargalg_chg[] = { 
};



static const struct sysfs_ops abx500_chargalg_sysfs_ops = {

	.show = abx500_chargalg_sysfs_show,

	.store = abx500_chargalg_sysfs_charger,

};