android_kernel_xiaomi_sm8350/drivers/pnp/support.c
Linus Torvalds 1da177e4c3 Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
2005-04-16 15:20:36 -07:00

41 lines
760 B
C

/*
* support.c - provides standard pnp functions for the use of pnp protocol drivers,
*
* Copyright 2003 Adam Belay <ambx1@neo.rr.com>
*
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/ctype.h>
#ifdef CONFIG_PNP_DEBUG
#define DEBUG
#else
#undef DEBUG
#endif
#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);