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Input: add start() method to input handlers

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The new start() method is called immediately after connect() and also
when "grabbed" device is released by its owner. This will allow input
handlers to re-synchronize state of once-grabbed device with the rest
of devices.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov
2006-07-06 00:21:03 -04:00
parent e9c8862f19
commit c7e8dc6ee6
3 changed files with 51 additions and 21 deletions
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12
drivers/input/input.c
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@@ -209,8 +209,13 @@ EXPORT_SYMBOL(input_grab_device);
void input_release_device(struct input_handle *handle)
{
if (handle->dev->grab == handle)
if (handle->dev->grab == handle) {
handle->dev->grab = NULL;
list_for_each_entry(handle, &handle->dev->h_list, d_node)
if (handle->handler->start)
handle->handler->start(handle);
}
}
EXPORT_SYMBOL(input_release_device);
@@ -954,8 +959,11 @@ int input_register_device(struct input_dev *dev)
list_for_each_entry(handler, &input_handler_list, node)
if (!handler->blacklist || !input_match_device(handler->blacklist, dev))
if ((id = input_match_device(handler->id_table, dev)))
if ((handle = handler->connect(handler, dev, id)))
if ((handle = handler->connect(handler, dev, id))) {
input_link_handle(handle);
if (handler->start)
handler->start(handle);
}
input_wakeup_procfs_readers();