[ALSA] maestro3 - Fix PM support

Modules: Maestro3 driver

Fix PM support on maestro3 driver.

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

1 files changed, 18 insertions, 10 deletions

diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index 9878595abe34..d3ef0cc6c4f9 100644
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -2546,14 +2546,16 @@ static int snd_m3_free(struct snd_m3 *chip)
  * APM support
  */
 #ifdef CONFIG_PM
-static int m3_suspend(struct snd_card *card, pm_message_t state)
+static int m3_suspend(struct pci_dev *pci, pm_message_t state)
 {
-        struct snd_m3 *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct snd_m3 *chip = card->private_data;
         int i, index;
 
         if (chip->suspend_mem == NULL)
                 return 0;
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
         snd_pcm_suspend_all(chip->pcm);
         snd_ac97_suspend(chip->ac97);
 
@@ -2574,20 +2576,23 @@ static int m3_suspend(struct snd_card *card, pm_message_t state)
         snd_m3_outw(chip, 0xffff, 0x54);
         snd_m3_outw(chip, 0xffff, 0x56);
 
-        pci_disable_device(chip->pci);
+        pci_disable_device(pci);
+        pci_save_state(pci);
         return 0;
 }
 
-static int m3_resume(struct snd_card *card)
+static int m3_resume(struct pci_dev *pci)
 {
-        struct snd_m3 *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct snd_m3 *chip = card->private_data;
         int i, index;
 
         if (chip->suspend_mem == NULL)
                 return 0;
 
-        pci_enable_device(chip->pci);
-        pci_set_master(chip->pci);
+        pci_restore_state(pci);
+        pci_enable_device(pci);
+        pci_set_master(pci);
 
         /* first lets just bring everything back. .*/
         snd_m3_outw(chip, 0, 0x54);
@@ -2617,6 +2622,7 @@ static int m3_resume(struct snd_card *card)
         snd_m3_enable_ints(chip);
         snd_m3_amp_enable(chip, 1);
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
         return 0;
 }
 #endif /* CONFIG_PM */
@@ -2748,8 +2754,6 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
         chip->suspend_mem = vmalloc(sizeof(u16) * (REV_B_CODE_MEMORY_LENGTH + REV_B_DATA_MEMORY_LENGTH));
         if (chip->suspend_mem == NULL)
                 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
-        else
-                snd_card_set_pm_callback(card, m3_suspend, m3_resume, chip);
 #endif
 
         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
@@ -2825,6 +2829,7 @@ snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
                 snd_card_free(card);
                 return err;
         }
+        card->private_data = chip;
 
         sprintf(card->shortname, "ESS %s PCI", card->driver);
         sprintf(card->longname, "%s at 0x%lx, irq %d",
@@ -2860,7 +2865,10 @@ static struct pci_driver driver = {
         .id_table = snd_m3_ids,
         .probe = snd_m3_probe,
         .remove = __devexit_p(snd_m3_remove),
-        SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+        .suspend = m3_suspend,
+        .resume = m3_resume,
+#endif
 };
         
 static int __init alsa_card_m3_init(void)