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[ALSA] Various fixes for suspend/resume of ALSA PCI drivers

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- Check the return value of pci_enable_device() and request_irq()
  in the suspend.  If any error occurs there, disable the device
  using snd_card_disconnect().
- Call pci_set_power_state() properly with pci_choose_state().
- Fix the order to call pci_set_power_state().
- Removed obsolete house-made PM codes in some drivers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai
2006-10-11 18:52:53 +02:00
committed by Jaroslav Kysela
parent c06134d73c
commit 30b35399ce
26 changed files with 276 additions and 145 deletions
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sound/pci/cs4281.c
+8 -1
View File
@@ -2050,6 +2050,7 @@ static int cs4281_suspend(struct pci_dev *pci, pm_message_t state)
pci_disable_device(pci);
pci_save_state(pci);
pci_set_power_state(pci, pci_choose_state(pci, state));
return 0;
}
@@ -2060,8 +2061,14 @@ static int cs4281_resume(struct pci_dev *pci)
unsigned int i;
u32 ulCLK;
pci_set_power_state(pci, PCI_D0);
pci_restore_state(pci);
pci_enable_device(pci);
if (pci_enable_device(pci) < 0) {
printk(KERN_ERR "cs4281: pci_enable_device failed, "
"disabling device\n");
snd_card_disconnect(card);
return -EIO;
}
pci_set_master(pci);
ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1);