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documentation: Format button_dev as a pointer. 

The docs on creating an input device driver have an example in which
button_dev is a pointer to an input_dev struct. However, in two code
snippets below, button_dev is used as if it is not a pointer. Make these
occurrences of button_dev reflect that it is a pointer.

Signed-off-by: Nelson Penn <nelsonapenn@protonmail.com>
Link: https://lore.kernel.org/r/20220522194953.12097-1-nelsonapenn@protonmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Nelson Penn 2022-05-22 19:50:38 +00:00 committed by Jonathan Corbet
parent 6199e138fe
commit a27e51b45e
1 changed files with 3 additions and 3 deletions
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6
Documentation/input/input-programming.rst
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@ -85,15 +85,15 @@ accepted by this input device. Our example device can only generate EV_KEY
type events, and from those only BTN_0 event code. Thus we only set these
two bits. We could have used::
set_bit(EV_KEY, button_dev.evbit);
set_bit(BTN_0, button_dev.keybit);
set_bit(EV_KEY, button_dev->evbit);
set_bit(BTN_0, button_dev->keybit);
as well, but with more than single bits the first approach tends to be
shorter.
Then the example driver registers the input device structure by calling::
input_register_device(&button_dev);
input_register_device(button_dev);
This adds the button_dev structure to linked lists of the input driver and
calls device handler modules _connect functions to tell them a new input