[ALSA] intel8x0 - Fix PM support

Modules: Intel8x0 driver,Intel8x0-modem driver

Fix PM support on Intel8x0 and modem drivers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 21 insertions, 14 deletions

diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c
index 3b6724e02e4e..466170e12167 100644
--- a/sound/pci/intel8x0m.c
+++ b/sound/pci/intel8x0m.c
@@ -1035,28 +1035,33 @@ static int snd_intel8x0_free(struct intel8x0m *chip)
 /*
  * power management
  */
-static int intel8x0m_suspend(struct snd_card *card, pm_message_t state)
+static int intel8x0m_suspend(struct pci_dev *pci, pm_message_t state)
 {
-        struct intel8x0m *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct intel8x0m *chip = card->private_data;
         int i;
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
         for (i = 0; i < chip->pcm_devs; i++)
                 snd_pcm_suspend_all(chip->pcm[i]);
-        if (chip->ac97)
-                snd_ac97_suspend(chip->ac97);
-        pci_disable_device(chip->pci);
+        snd_ac97_suspend(chip->ac97);
+        pci_disable_device(pci);
+        pci_save_state(pci);
         return 0;
 }
 
-static int intel8x0m_resume(struct snd_card *card)
+static int intel8x0m_resume(struct pci_dev *pci)
 {
-        struct intel8x0m *chip = card->pm_private_data;
-        pci_enable_device(chip->pci);
-        pci_set_master(chip->pci);
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct intel8x0m *chip = card->private_data;
+
+        pci_restore_state(pci);
+        pci_enable_device(pci);
+        pci_set_master(pci);
         snd_intel8x0_chip_init(chip, 0);
-        if (chip->ac97)
-                snd_ac97_resume(chip->ac97);
+        snd_ac97_resume(chip->ac97);
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
         return 0;
 }
 #endif /* CONFIG_PM */
@@ -1233,8 +1238,6 @@ static int __devinit snd_intel8x0m_create(struct snd_card *card,
                 return err;
         }
 
-        snd_card_set_pm_callback(card, intel8x0m_suspend, intel8x0m_resume, chip);
-
         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
                 snd_intel8x0_free(chip);
                 return err;
@@ -1298,6 +1301,7 @@ static int __devinit snd_intel8x0m_probe(struct pci_dev *pci,
                 snd_card_free(card);
                 return err;
         }
+        card->private_data = chip;
 
         if ((err = snd_intel8x0_mixer(chip, ac97_clock)) < 0) {
                 snd_card_free(card);
@@ -1332,7 +1336,10 @@ static struct pci_driver driver = {
         .id_table = snd_intel8x0m_ids,
         .probe = snd_intel8x0m_probe,
         .remove = __devexit_p(snd_intel8x0m_remove),
-        SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+        .suspend = intel8x0m_suspend,
+        .resume = intel8x0m_resume,
+#endif
 };