截图神器：snipaste

static irqreturn_t smcdef_event_handler(int irq, void *private)
{
    /* do something you want, like report input events through input subsystem */
 
    return IRQ_HANDLED;
}
 
static int smcdef_suspend(struct device *dev)
{
    enable_irq_wake(irq);
}
 
static int smcdef_resume(struct device *dev)
{
    disable_irq_wake(irq);
}
 
static int smcdef_probe(struct i2c_client *client,
        const struct i2c_device_id *id)
{
    /* ... */
    request_thread_irq(irq,
            smcdef_event_handler,
            NULL,
            IRQF_TRIGGER_FALLING,
            "smcdef",
            pdata);
 
    return 0;
}
 
static int smcdef_remove(struct i2c_client *client)
{
    return 0;
}
 
static const struct of_device_id smcdef_dt_ids[] = {
    {.compatible = "wowo,smcdef" },
    { }
};
MODULE_DEVICE_TABLE(of, smcdef_dt_ids);
 
static SIMPLE_DEV_PM_OPS(smcdef_pm_ops, smcdef_suspend, smcdef_resume);//注册
 
static struct i2c_driver smcdef_driver = {
    .driver = {
        .name             = "smcdef",
        .of_match_table = of_match_ptr(smcdef_dt_ids),
        .pm                = &smcdef_pm_ops,
    },
    .probe  = smcdef_probe,
    .remove = smcdef_remove,
};
module_i2c_driver(smcdef_driver);
 
MODULE_AUTHOR("smcdef");
MODULE_DESCRIPTION("IRQ test");
MODULE_LICENSE("GPL");