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[PATCH] INPUT: Create symlinks for backwards compatibility

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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>
This commit is contained in:
Greg Kroah-Hartman 2005-10-27 22:25:43 -07:00
parent ea9f240bd8
commit c9bcd582df
4 changed files with 32 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

10
drivers/input/evdev.c
View file

@ -661,6 +661,7 @@ static struct file_operations evdev_fops = {
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 @@ static struct input_handle *evdev_connect(struct input_handler *handler, struct
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 @@ static void evdev_disconnect(struct input_handle *handle)
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;