[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>

diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 3ea90f1e22e5e66fa04d7a3c20d63629980f5f90..c5c4ec64a156bc3790a584acfc9c05a17510327b 100644 (file)
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -2396,11 +2396,13 @@ static int snd_intel8x0_free(struct intel8x0 *chip)
 /*
  * power management
  */
-static int intel8x0_suspend(struct snd_card *card, pm_message_t state)
+static int intel8x0_suspend(struct pci_dev *pci, pm_message_t state)
 {
-       struct intel8x0 *chip = card->pm_private_data;
+       struct snd_card *card = pci_get_drvdata(pci);
+       struct intel8x0 *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]);
        /* clear nocache */
@@ -2415,26 +2417,29 @@ static int intel8x0_suspend(struct snd_card *card, pm_message_t state)
                }
        }
        for (i = 0; i < 3; i++)
-               if (chip->ac97[i])
-                       snd_ac97_suspend(chip->ac97[i]);
+               snd_ac97_suspend(chip->ac97[i]);
        if (chip->device_type == DEVICE_INTEL_ICH4)
                chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
 
        if (chip->irq >= 0)
                free_irq(chip->irq, chip);
-       pci_disable_device(chip->pci);
+       pci_disable_device(pci);
+       pci_save_state(pci);
        return 0;
 }
 
-static int intel8x0_resume(struct snd_card *card)
+static int intel8x0_resume(struct pci_dev *pci)
 {
-       struct intel8x0 *chip = card->pm_private_data;
+       struct snd_card *card = pci_get_drvdata(pci);
+       struct intel8x0 *chip = card->private_data;
        int i;
 
-       pci_enable_device(chip->pci);
-       pci_set_master(chip->pci);
-       request_irq(chip->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ,
+       pci_restore_state(pci);
+       pci_enable_device(pci);
+       pci_set_master(pci);
+       request_irq(pci->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ,
                    card->shortname, chip);
+       chip->irq = pci->irq;
        synchronize_irq(chip->irq);
        snd_intel8x0_chip_init(chip, 1);
 
@@ -2453,8 +2458,7 @@ static int intel8x0_resume(struct snd_card *card)
                fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
 
        for (i = 0; i < 3; i++)
-               if (chip->ac97[i])
-                       snd_ac97_resume(chip->ac97[i]);
+               snd_ac97_resume(chip->ac97[i]);
 
        /* refill nocache */
        if (chip->fix_nocache) {
@@ -2482,6 +2486,7 @@ static int intel8x0_resume(struct snd_card *card)
                iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
        }
 
+       snd_power_change_state(card, SNDRV_CTL_POWER_D0);
        return 0;
 }
 #endif /* CONFIG_PM */
@@ -2800,8 +2805,6 @@ static int __devinit snd_intel8x0_create(struct snd_card *card,
                return err;
        }
 
-       snd_card_set_pm_callback(card, intel8x0_suspend, intel8x0_resume, chip);
-
        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
                snd_intel8x0_free(chip);
                return err;
@@ -2889,6 +2892,7 @@ static int __devinit snd_intel8x0_probe(struct pci_dev *pci,
                snd_card_free(card);
                return err;
        }
+       card->private_data = chip;
 
        if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) {
                snd_card_free(card);
@@ -2927,7 +2931,10 @@ static struct pci_driver driver = {
        .id_table = snd_intel8x0_ids,
        .probe = snd_intel8x0_probe,
        .remove = __devexit_p(snd_intel8x0_remove),
-       SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+       .suspend = intel8x0_suspend,
+       .resume = intel8x0_resume,
+#endif
 };
 
 

diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c
index 3b6724e02e4e16bb581823457737704fa560c29f..466170e12167082a0011dee676be9ca3e2fbfb86 100644 (file)
--- 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
 };