[ALSA] nm256-intel - Fix PM support

Modules: NM256 driver

Fix PM support on NM256 driver.

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

1 files changed, 17 insertions, 9 deletions

diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c
index 99ec1c17049b..0d0ff54f0fc6 100644
--- a/sound/pci/nm256/nm256.c
+++ b/sound/pci/nm256/nm256.c
@@ -1308,24 +1308,29 @@ snd_nm256_peek_for_sig(struct nm256 *chip)
  * APM event handler, so the card is properly reinitialized after a power
  * event.
  */
-static int nm256_suspend(struct snd_card *card, pm_message_t state)
+static int nm256_suspend(struct pci_dev *pci, pm_message_t state)
 {
-        struct nm256 *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct nm256 *chip = card->private_data;
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
         snd_pcm_suspend_all(chip->pcm);
         snd_ac97_suspend(chip->ac97);
         chip->coeffs_current = 0;
-        pci_disable_device(chip->pci);
+        pci_disable_device(pci);
+        pci_save_state(pci);
         return 0;
 }
 
-static int nm256_resume(struct snd_card *card)
+static int nm256_resume(struct pci_dev *pci)
 {
-        struct nm256 *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct nm256 *chip = card->private_data;
         int i;
 
         /* Perform a full reset on the hardware */
-        pci_enable_device(chip->pci);
+        pci_restore_state(pci);
+        pci_enable_device(pci);
         snd_nm256_init_chip(chip);
 
         /* restore ac97 */
@@ -1340,6 +1345,7 @@ static int nm256_resume(struct snd_card *card)
                 }
         }
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
         return 0;
 }
 #endif /* CONFIG_PM */
@@ -1524,8 +1530,6 @@ snd_nm256_create(struct snd_card *card, struct pci_dev *pci,
 
         // pci_set_master(pci); /* needed? */
         
-        snd_card_set_pm_callback(card, nm256_suspend, nm256_resume, chip);
-
         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0)
                 goto __error;
 
@@ -1625,6 +1629,7 @@ static int __devinit snd_nm256_probe(struct pci_dev *pci,
                 snd_card_free(card);
                 return err;
         }
+        card->private_data = chip;
 
         if (reset_workaround) {
                 snd_printdd(KERN_INFO "nm256: reset_workaround activated\n");
@@ -1668,7 +1673,10 @@ static struct pci_driver driver = {
         .id_table = snd_nm256_ids,
         .probe = snd_nm256_probe,
         .remove = __devexit_p(snd_nm256_remove),
-        SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+        .suspend = nm256_suspend,
+        .resume = nm256_resume,
+#endif
 };