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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>
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@ -85,15 +85,15 @@ accepted by this input device. Our example device can only generate EV_KEY
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type events, and from those only BTN_0 event code. Thus we only set these
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two bits. We could have used::
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set_bit(EV_KEY, button_dev.evbit);
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set_bit(BTN_0, button_dev.keybit);
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set_bit(EV_KEY, button_dev->evbit);
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set_bit(BTN_0, button_dev->keybit);
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as well, but with more than single bits the first approach tends to be
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shorter.
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Then the example driver registers the input device structure by calling::
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input_register_device(&button_dev);
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input_register_device(button_dev);
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This adds the button_dev structure to linked lists of the input driver and
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calls device handler modules _connect functions to tell them a new input
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