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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
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8#include <linux/module.h>
9#include <linux/ctype.h>
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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
9dd78466 19int pnp_is_active(struct pnp_dev *dev)
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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 &&
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23 pnp_irq(dev, 0) == -1 && pnp_dma(dev, 0) == -1)
24 return 0;
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25 else
26 return 1;
27}
28
1da177e4 29EXPORT_SYMBOL(pnp_is_active);