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