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Input: fix the example of an input device driver
This patch fixes a wrong interrupt handler example given in the "Hello, world!"-like input driver in Documentation/input/input-programming.txt. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.fi> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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@ -20,10 +20,11 @@ pressed or released a BUTTON_IRQ happens. The driver could look like:
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static struct input_dev *button_dev;
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static void button_interrupt(int irq, void *dummy, struct pt_regs *fp)
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static irqreturn_t button_interrupt(int irq, void *dummy)
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{
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input_report_key(button_dev, BTN_0, inb(BUTTON_PORT) & 1);
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input_sync(button_dev);
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return IRQ_HANDLED;
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}
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static int __init button_init(void)
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