[ALSA] via82xx - Fix PM support

Modules: VIA82xx driver,VIA82xx-modem driver

Fix PM support on VIA82xx and modem drivers.

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

2 files changed, 41 insertions, 27 deletions

diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
index c87000130dd2..ce4985f8078e 100644
--- a/sound/pci/via82xx.c
+++ b/sound/pci/via82xx.c
@@ -2126,14 +2126,15 @@ static int snd_via82xx_chip_init(struct via82xx *chip)
 /*
  * power management
  */
-static int snd_via82xx_suspend(struct snd_card *card, pm_message_t state)
+static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state)
 {
-        struct via82xx *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct via82xx *chip = card->private_data;
         int i;
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
         for (i = 0; i < 2; i++)
-                if (chip->pcms[i])
-                        snd_pcm_suspend_all(chip->pcms[i]);
+                snd_pcm_suspend_all(chip->pcms[i]);
         for (i = 0; i < chip->num_devs; i++)
                 snd_via82xx_channel_reset(chip, &chip->devs[i]);
         synchronize_irq(chip->irq);
@@ -2146,18 +2147,21 @@ static int snd_via82xx_suspend(struct snd_card *card, pm_message_t state)
                 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10);
         }
 
-        pci_set_power_state(chip->pci, 3);
-        pci_disable_device(chip->pci);
+        pci_set_power_state(pci, PCI_D3hot);
+        pci_disable_device(pci);
+        pci_save_state(pci);
         return 0;
 }
 
-static int snd_via82xx_resume(struct snd_card *card)
+static int snd_via82xx_resume(struct pci_dev *pci)
 {
-        struct via82xx *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct via82xx *chip = card->private_data;
         int i;
 
-        pci_enable_device(chip->pci);
-        pci_set_power_state(chip->pci, 0);
+        pci_restore_state(pci);
+        pci_enable_device(pci);
+        pci_set_power_state(pci, PCI_D0);
 
         snd_via82xx_chip_init(chip);
 
@@ -2177,6 +2181,7 @@ static int snd_via82xx_resume(struct snd_card *card)
         for (i = 0; i < chip->num_devs; i++)
                 snd_via82xx_channel_reset(chip, &chip->devs[i]);
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
         return 0;
 }
 #endif /* CONFIG_PM */
@@ -2453,6 +2458,7 @@ static int __devinit snd_via82xx_probe(struct pci_dev *pci,
         if ((err = snd_via82xx_create(card, pci, chip_type, revision,
                                       ac97_clock, &chip)) < 0)
                 goto __error;
+        card->private_data = chip;
         if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0)
                 goto __error;
 
@@ -2481,8 +2487,6 @@ static int __devinit snd_via82xx_probe(struct pci_dev *pci,
                         goto __error;
         }
 
-        snd_card_set_pm_callback(card, snd_via82xx_suspend, snd_via82xx_resume, chip);
-
         /* disable interrupts */
         for (i = 0; i < chip->num_devs; i++)
                 snd_via82xx_channel_reset(chip, &chip->devs[i]);
@@ -2516,7 +2520,10 @@ static struct pci_driver driver = {
         .id_table = snd_via82xx_ids,
         .probe = snd_via82xx_probe,
         .remove = __devexit_p(snd_via82xx_remove),
-        SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+        .suspend = snd_via82xx_suspend,
+        .resume = snd_via82xx_resume,
+#endif
 };
 
 static int __init alsa_card_via82xx_init(void)
diff --git a/sound/pci/via82xx_modem.c b/sound/pci/via82xx_modem.c
index 55ef69a8d2de..22ce4d309929 100644
--- a/sound/pci/via82xx_modem.c
+++ b/sound/pci/via82xx_modem.c
@@ -1019,31 +1019,35 @@ static int snd_via82xx_chip_init(struct via82xx_modem *chip)
 /*
  * power management
  */
-static int snd_via82xx_suspend(struct snd_card *card, pm_message_t state)
+static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state)
 {
-        struct via82xx_modem *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct via82xx_modem *chip = card->private_data;
         int i;
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
         for (i = 0; i < 2; i++)
-                if (chip->pcms[i])
-                        snd_pcm_suspend_all(chip->pcms[i]);
+                snd_pcm_suspend_all(chip->pcms[i]);
         for (i = 0; i < chip->num_devs; i++)
                 snd_via82xx_channel_reset(chip, &chip->devs[i]);
         synchronize_irq(chip->irq);
         snd_ac97_suspend(chip->ac97);
-        pci_set_power_state(chip->pci, 3);
-        pci_disable_device(chip->pci);
+        pci_set_power_state(pci, PCI_D3hot);
+        pci_disable_device(pci);
+        pci_save_state(pci);
         return 0;
 }
 
-static int snd_via82xx_resume(struct snd_card *card)
+static int snd_via82xx_resume(struct pci_dev *pci)
 {
-        struct via82xx_modem *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct via82xx_modem *chip = card->private_data;
         int i;
 
-        pci_enable_device(chip->pci);
-        pci_set_power_state(chip->pci, 0);
-        pci_set_master(chip->pci);
+        pci_restore_state(pci);
+        pci_enable_device(pci);
+        pci_set_power_state(pci, PCI_D0);
+        pci_set_master(pci);
 
         snd_via82xx_chip_init(chip);
 
@@ -1052,6 +1056,7 @@ static int snd_via82xx_resume(struct snd_card *card)
         for (i = 0; i < chip->num_devs; i++)
                 snd_via82xx_channel_reset(chip, &chip->devs[i]);
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
         return 0;
 }
 #endif /* CONFIG_PM */
@@ -1176,14 +1181,13 @@ static int __devinit snd_via82xx_probe(struct pci_dev *pci,
         if ((err = snd_via82xx_create(card, pci, chip_type, revision,
                                       ac97_clock, &chip)) < 0)
                 goto __error;
+        card->private_data = chip;
         if ((err = snd_via82xx_mixer_new(chip)) < 0)
                 goto __error;
 
         if ((err = snd_via686_pcm_new(chip)) < 0 )
                 goto __error;
 
-        snd_card_set_pm_callback(card, snd_via82xx_suspend, snd_via82xx_resume, chip);
-
         /* disable interrupts */
         for (i = 0; i < chip->num_devs; i++)
                 snd_via82xx_channel_reset(chip, &chip->devs[i]);
@@ -1216,7 +1220,10 @@ static struct pci_driver driver = {
         .id_table = snd_via82xx_modem_ids,
         .probe = snd_via82xx_probe,
         .remove = __devexit_p(snd_via82xx_remove),
-        SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+        .suspend = snd_via82xx_suspend,
+        .resume = snd_via82xx_resume,
+#endif
 };
 
 static int __init alsa_card_via82xx_init(void)