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34 lines
692 B
C
34 lines
692 B
C
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/*
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* support.c - provides standard pnp functions for the use of pnp protocol drivers,
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*
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* Copyright 2003 Adam Belay <ambx1@neo.rr.com>
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*
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/ctype.h>
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#include <linux/pnp.h>
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#include "base.h"
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/**
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* pnp_is_active - Determines if a device is active based on its current resources
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* @dev: pointer to the desired PnP device
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*
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*/
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int pnp_is_active(struct pnp_dev * dev)
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{
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if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 &&
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!pnp_mem_start(dev, 0) && pnp_mem_len(dev, 0) <= 1 &&
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pnp_irq(dev, 0) == -1 &&
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pnp_dma(dev, 0) == -1)
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return 0;
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else
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return 1;
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}
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EXPORT_SYMBOL(pnp_is_active);
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