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Input: add input_device_enabled()

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A helper function for drivers to decide if the device is used or not.
A lockdep check is introduced as inspecting ->users should be done under
input device's mutex.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Link: https://lore.kernel.org/r/20200608112211.12125-2-andrzej.p@collabora.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Andrzej Pietrasiewicz 2020-10-04 21:15:46 -07:00 • committed by Dmitry Torokhov
parent c1b46cd4df
commit 39be39ceff
2 changed files with 10 additions and 0 deletions
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include/linux/input.h
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@ -502,6 +502,8 @@ bool input_match_device_id(const struct input_dev *dev,
void input_enable_softrepeat(struct input_dev *dev, int delay, int period);
bool input_device_enabled(struct input_dev *dev);
extern struct class input_class;
/**