[ALSA] intel8x0m - Free irq in suspend

Free the irq handler in suspend and reacquire in resume as well as
intel8x0 audio driver does.  Some devices may change the irq line
dynamically during suspend/resume.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c
index 91850281f89b16a7ad3afa9e8487f9d194f9e9b9..268e2f7241eae9872fd0a54269411991329a5823 100644 (file)
--- a/sound/pci/intel8x0m.c
+++ b/sound/pci/intel8x0m.c
@@ -1045,6 +1045,8 @@ static int intel8x0m_suspend(struct pci_dev *pci, pm_message_t state)
        for (i = 0; i < chip->pcm_devs; i++)
                snd_pcm_suspend_all(chip->pcm[i]);
        snd_ac97_suspend(chip->ac97);
+       if (chip->irq >= 0)
+               free_irq(chip->irq, chip);
        pci_disable_device(pci);
        pci_save_state(pci);
        return 0;
@@ -1058,6 +1060,9 @@ static int intel8x0m_resume(struct pci_dev *pci)
        pci_restore_state(pci);
        pci_enable_device(pci);
        pci_set_master(pci);
+       request_irq(pci->irq, snd_intel8x0_interrupt, IRQF_DISABLED|IRQF_SHARED,
+                   card->shortname, chip);
+       chip->irq = pci->irq;
        snd_intel8x0_chip_init(chip, 0);
        snd_ac97_resume(chip->ac97);