[ALSA] hda-intel - Fix PM support

Modules: HDA Intel driver

Fix PM support on HDA-Intel driver.

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

1 files changed, 19 insertions, 11 deletions

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index abdbd96d4c06..3945c44440cf 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1326,28 +1326,33 @@ static int __devinit azx_init_stream(struct azx *chip)
 /*
  * power management
  */
-static int azx_suspend(struct snd_card *card, pm_message_t state)
+static int azx_suspend(struct pci_dev *pci, pm_message_t state)
 {
-        struct azx *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct azx *chip = card->private_data;
         int i;
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
         for (i = 0; i < chip->pcm_devs; i++)
-                if (chip->pcm[i])
-                        snd_pcm_suspend_all(chip->pcm[i]);
+                snd_pcm_suspend_all(chip->pcm[i]);
         snd_hda_suspend(chip->bus, state);
         azx_free_cmd_io(chip);
-        pci_disable_device(chip->pci);
+        pci_disable_device(pci);
+        pci_save_state(pci);
         return 0;
 }
 
-static int azx_resume(struct snd_card *card)
+static int azx_resume(struct pci_dev *pci)
 {
-        struct azx *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct azx *chip = card->private_data;
 
-        pci_enable_device(chip->pci);
-        pci_set_master(chip->pci);
+        pci_restore_state(pci);
+        pci_enable_device(pci);
+        pci_set_master(pci);
         azx_init_chip(chip);
         snd_hda_resume(chip->bus);
+        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
         return 0;
 }
 #endif /* CONFIG_PM */
@@ -1559,6 +1564,7 @@ static int __devinit azx_probe(struct pci_dev *pci, const struct pci_device_id *
                 snd_card_free(card);
                 return err;
         }
+        card->private_data = chip;
 
         /* create codec instances */
         if ((err = azx_codec_create(chip, model)) < 0) {
@@ -1578,7 +1584,6 @@ static int __devinit azx_probe(struct pci_dev *pci, const struct pci_device_id *
                 return err;
         }
 
-        snd_card_set_pm_callback(card, azx_suspend, azx_resume, chip);
         snd_card_set_dev(card, &pci->dev);
 
         if ((err = snd_card_register(card)) < 0) {
@@ -1618,7 +1623,10 @@ static struct pci_driver driver = {
         .id_table = azx_ids,
         .probe = azx_probe,
         .remove = __devexit_p(azx_remove),
-        SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+        .suspend = azx_suspend,
+        .resume = azx_resume,
+#endif
 };
 
 static int __init alsa_card_azx_init(void)