Commit 3e58ea0d authored by Alexey Starikovskiy's avatar Alexey Starikovskiy Committed by Len Brown

ACPI: Battery: add sysfs alarm

Signed-off-by: default avatarAlexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent d7380965
...@@ -687,6 +687,34 @@ static void acpi_battery_remove_fs(struct acpi_device *device) ...@@ -687,6 +687,34 @@ static void acpi_battery_remove_fs(struct acpi_device *device)
} }
#endif #endif
static ssize_t acpi_battery_alarm_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
return sprintf(buf, "%d\n", battery->alarm * 1000);
}
static ssize_t acpi_battery_alarm_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
unsigned long x;
struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
if (sscanf(buf, "%ld\n", &x) == 1)
battery->alarm = x/1000;
if (acpi_battery_present(battery))
acpi_battery_set_alarm(battery);
return count;
}
static struct device_attribute alarm_attr = {
.attr = {.name = "alarm", .mode = 0644, .owner = THIS_MODULE},
.show = acpi_battery_alarm_show,
.store = acpi_battery_alarm_store,
};
/* -------------------------------------------------------------------------- /* --------------------------------------------------------------------------
Driver Interface Driver Interface
-------------------------------------------------------------------------- */ -------------------------------------------------------------------------- */
...@@ -732,6 +760,7 @@ static int acpi_battery_add(struct acpi_device *device) ...@@ -732,6 +760,7 @@ static int acpi_battery_add(struct acpi_device *device)
battery->bat.type = POWER_SUPPLY_TYPE_BATTERY; battery->bat.type = POWER_SUPPLY_TYPE_BATTERY;
battery->bat.get_property = acpi_battery_get_property; battery->bat.get_property = acpi_battery_get_property;
result = power_supply_register(&battery->device->dev, &battery->bat); result = power_supply_register(&battery->device->dev, &battery->bat);
result = device_create_file(battery->bat.dev, &alarm_attr);
status = acpi_install_notify_handler(device->handle, status = acpi_install_notify_handler(device->handle,
ACPI_ALL_NOTIFY, ACPI_ALL_NOTIFY,
acpi_battery_notify, battery); acpi_battery_notify, battery);
...@@ -767,8 +796,10 @@ static int acpi_battery_remove(struct acpi_device *device, int type) ...@@ -767,8 +796,10 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
#ifdef CONFIG_ACPI_PROCFS #ifdef CONFIG_ACPI_PROCFS
acpi_battery_remove_fs(device); acpi_battery_remove_fs(device);
#endif #endif
if (battery->bat.dev) if (battery->bat.dev) {
device_remove_file(battery->bat.dev, &alarm_attr);
power_supply_unregister(&battery->bat); power_supply_unregister(&battery->bat);
}
mutex_destroy(&battery->lock); mutex_destroy(&battery->lock);
kfree(battery); kfree(battery);
return 0; return 0;
......
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