@@ -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;
@@ -1654,6 +1654,25 @@ static int abx500_chargalg_get_property(struct power_supply *psy,
/* Exposure to the sysfs interface */
/**
+ * ab8500_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 ab8500_chargalg_sysfs_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ struct ab8500_chargalg *di = container_of(kobj,
+ struct ab8500_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
* @attr: pointer to the struct attribute
@@ -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 = ab8500_chargalg_sysfs_show,
.store = abx500_chargalg_sysfs_charger,
};
Allow a user to check on AB8500 charging status from debugfs. Signed-off-by: Lee Jones <lee.jones@linaro.org> --- drivers/power/ab8500_charger.c | 3 +++ drivers/power/abx500_chargalg.c | 22 +++++++++++++++++++++- 2 files changed, 24 insertions(+), 1 deletion(-)