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Input: add open and close methods for polled devices

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Optional open and close methods for preparing and closing
the device.

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Samu Onkalo 2009-10-18 00:38:57 -07:00 • committed by Dmitry Torokhov
parent bc09dcadc1
commit b0aba1e66c
3 changed files with 13 additions and 7 deletions
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11
include/linux/input-polldev.h
View file

@ -14,9 +14,11 @@
/**
* struct input_polled_dev - simple polled input device
* @private: private driver data
* @flush: driver-supplied method that flushes device's state upon
* opening (optional)
* @private: private driver data.
* @open: driver-supplied method that prepares device for polling
* (enabled the device and maybe flushes device state).
* @close: driver-supplied method that is called when device is no
* longer being polled. Used to put device into low power mode.
* @poll: driver-supplied method that polls the device and posts
* input events (mandatory).
* @poll_interval: specifies how often the poll() method shoudl be called.
@ -30,7 +32,8 @@
struct input_polled_dev {
void *private;
void (*flush)(struct input_polled_dev *dev);
void (*open)(struct input_polled_dev *dev);
void (*close)(struct input_polled_dev *dev);
void (*poll)(struct input_polled_dev *dev);
unsigned int poll_interval; /* msec */