Viewing file:  cs4281pm-24.c (2.9 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/*******************************************************************************
*
* "cs4281pm.c" -- Cirrus Logic-Crystal CS4281 linux audio driver.
*
* Copyright (C) 2000,2001 Cirrus Logic Corp.
* -- tom woller (twoller@crystal.cirrus.com) or
* (pcaudio@crystal.cirrus.com).
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* 12/22/00 trw - new file.
*
*******************************************************************************/
#ifndef NOT_CS4281_PM
#if CS4281_PCI_PM_SUPPORT_ENABLE
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,12)
static int cs4281_suspend_tbl(struct pci_dev *pcidev, u32 unused)
{
struct cs4281_state *s = pci_get_drvdata(pcidev);
cs4281_suspend(s);
return 0;
}
static int cs4281_resume_tbl(struct pci_dev *pcidev)
{
struct cs4281_state *s = pci_get_drvdata(pcidev);
cs4281_resume(s);
return 0;
}
#else
void cs4281_suspend_tbl(struct pci_dev *pcidev)
{
struct cs4281_state *s = pci_get_drvdata(pcidev);
cs4281_suspend(s);
return;
}
void cs4281_resume_tbl(struct pci_dev *pcidev)
{
struct cs4281_state *s = pci_get_drvdata(pcidev);
cs4281_resume(s);
return;
}
#endif
#else
int cs4281_pm_callback(struct pm_dev *dev, pm_request_t rqst, void *data)
{
struct cs4281_state *state;
CS_DBGOUT(CS_PM, 2, printk(
"cs4281: cs4281_pm_callback()+ dev=0x%x rqst=0x%x state=%d\n",
(unsigned)dev,(unsigned)rqst,(unsigned)data));
state = (struct cs4281_state *) dev->data;
if (state) {
switch(rqst) {
case PM_SUSPEND:
CS_DBGOUT(CS_PM, 2, printk(KERN_INFO
"cs4281: PM suspend request\n"));
if(cs4281_suspend(state))
{
CS_DBGOUT(CS_ERROR, 2, printk(KERN_INFO
"cs4281: PM suspend request refused\n"));
return 1;
}
break;
case PM_RESUME:
CS_DBGOUT(CS_PM, 2, printk(KERN_INFO
"cs4281: PM resume request\n"));
if(cs4281_resume(state))
{
CS_DBGOUT(CS_ERROR, 2, printk(KERN_INFO
"cs4281: PM resume request refused\n"));
return 1;
}
break;
}
}
CS_DBGOUT(CS_PM, 2, printk("cs4281: cs4281_pm_callback()- 0\n"));
return 0;
}
#endif //#if CS4281_PCI_PM_SUPPORT_ENABLE
#else /* NOT_CS4281_PM */
#define CS4281_SUSPEND_TBL cs4281_null_suspend
#define CS4281_RESUME_TBL cs4281_null_resume
#endif /* NOT_CS4281_PM */
|