[PATCH] INPUT: Create symlinks for backwards compatibility
This creates symlinks in /sys/class/input/ to the nested class devices
to help userspace cope with the nesting.
Unfortunatly udev still needs to be updated as it can't handle symlinks
properly here :(
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 2a96b26..a4696cd 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -661,6 +661,7 @@
static struct input_handle *evdev_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id)
{
struct evdev *evdev;
+ struct class_device *cdev;
int minor;
for (minor = 0; minor < EVDEV_MINORS && evdev_table[minor]; minor++);
@@ -686,9 +687,13 @@
evdev_table[minor] = evdev;
- class_device_create(&input_class, &dev->cdev,
+ cdev = class_device_create(&input_class, &dev->cdev,
MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor),
- dev->cdev.dev, "event%d", minor);
+ dev->cdev.dev, evdev->name);
+
+ /* temporary symlink to keep userspace happy */
+ sysfs_create_link(&input_class.subsys.kset.kobj, &cdev->kobj,
+ evdev->name);
return &evdev->handle;
}
@@ -698,6 +703,7 @@
struct evdev *evdev = handle->private;
struct evdev_list *list;
+ sysfs_remove_link(&input_class.subsys.kset.kobj, evdev->name);
class_device_destroy(&input_class,
MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + evdev->minor));
evdev->exist = 0;