1/*
2 * support.c - provides standard pnp functions for the use of pnp protocol drivers,
3 *
4 * Copyright 2003 Adam Belay <ambx1@neo.rr.com>
5 *
6 */
7
8#include <linux/module.h>
9#include <linux/ctype.h>
10#include <linux/pnp.h>
11#include "base.h"
12
13/**
14 * pnp_is_active - Determines if a device is active based on its current resources
15 * @dev: pointer to the desired PnP device
16 *
17 */
18
19int pnp_is_active(struct pnp_dev * dev)
20{
21	if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 &&
22	    !pnp_mem_start(dev, 0) && pnp_mem_len(dev, 0) <= 1 &&
23	    pnp_irq(dev, 0) == -1 &&
24	    pnp_dma(dev, 0) == -1)
25	    	return 0;
26	else
27		return 1;
28}
29
30
31
32EXPORT_SYMBOL(pnp_is_active);
33