upower: Handle Linux power supplies not exporting a present property
From: Heiko Stuebner <heiko@...> Date: Sun, 27 Nov 2011 20:12:13 +0100
Commit-Message
According to Anton Vorontsov (Linux power supply maintainer) power supplies should not export a present property when they are not hotpluggable and users of the properties should handle supplies without present-property as always present. This patch implements this feature using an additional sysfs_file_exists call before sysfs_get_bool.
Patch-Comment
src/linux/up-device-supply.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
Statistics
- 5 lines added
- 1 lines removed
Changes
------------------------- src/linux/up-device-supply.c -------------------------
index d272e36..9da4861 100644
@@ -516,7 +516,11 @@ up_device_supply_refresh_battery (UpDeviceSupply *supply)
native_path = g_udev_device_get_sysfs_path (native);
/* have we just been removed? */
+ if (sysfs_file_exists (native_path, "present"))
+ is_present = sysfs_get_bool (native_path, "present");
+ else
+ /* when no present property exists, handle as present */
+ is_present = 1;
g_object_set (device, "is-present", is_present, NULL);
if (!is_present) {
up_device_supply_reset_values (supply);