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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 05:56:38 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 05:56:38 +0100 |
| commit | 19796a75ab8ba43b31e230ea169d5383c6392bfc (patch) | |
| tree | 3041c5678e06133dd7fcbf2ebf34b6506334f677 /libdde_linux26/contrib/include/linux/input-polldev.h | |
| parent | 6b2e5e0d91823c2a6ce5a5cb12ae3d00b82adae7 (diff) | |
| parent | 8df772b3c665e663f6f9d2a70f9c691590bd3f91 (diff) | |
Merge branch 'dde' into upstream-merged
Diffstat (limited to 'libdde_linux26/contrib/include/linux/input-polldev.h')
| -rw-r--r-- | libdde_linux26/contrib/include/linux/input-polldev.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/input-polldev.h b/libdde_linux26/contrib/include/linux/input-polldev.h new file mode 100644 index 00000000..597a0077 --- /dev/null +++ b/libdde_linux26/contrib/include/linux/input-polldev.h @@ -0,0 +1,46 @@ +#ifndef _INPUT_POLLDEV_H +#define _INPUT_POLLDEV_H + +/* + * Copyright (c) 2007 Dmitry Torokhov + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#include <linux/input.h> +#include <linux/workqueue.h> + +/** + * struct input_polled_dev - simple polled input device + * @private: private driver data + * @flush: driver-supplied method that flushes device's state upon + * opening (optional) + * @poll: driver-supplied method that polls the device and posts + * input events (mandatory). + * @poll_interval: specifies how often the poll() method shoudl be called. + * @input: input device structire associated with the polled device. + * Must be properly initialized by the driver (id, name, phys, bits). + * + * Polled input device provides a skeleton for supporting simple input + * devices that do not raise interrupts but have to be periodically + * scanned or polled to detect changes in their state. + */ +struct input_polled_dev { + void *private; + + void (*flush)(struct input_polled_dev *dev); + void (*poll)(struct input_polled_dev *dev); + unsigned int poll_interval; /* msec */ + + struct input_dev *input; + struct delayed_work work; +}; + +struct input_polled_dev *input_allocate_polled_device(void); +void input_free_polled_device(struct input_polled_dev *dev); +int input_register_polled_device(struct input_polled_dev *dev); +void input_unregister_polled_device(struct input_polled_dev *dev); + +#endif |
