[ALSA] cs4281 - Fix PM support

Modules: CS4281 driver

Fix PM support on CS4281 driver.

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

1 files changed, 22 insertions, 22 deletions

diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c
index 116cdc1c5528..4f65ec56bf35 100644
--- a/sound/pci/cs4281.c
+++ b/sound/pci/cs4281.c
@@ -1339,10 +1339,6 @@ static int snd_cs4281_dev_free(struct snd_device *device)
 }
 
 static int snd_cs4281_chip_init(struct cs4281 *chip); /* defined below */
-#ifdef CONFIG_PM
-static int cs4281_suspend(struct snd_card *card, pm_message_t state);
-static int cs4281_resume(struct snd_card *card);
-#endif
 
 static int __devinit snd_cs4281_create(struct snd_card *card,
                                        struct pci_dev *pci,
@@ -1411,8 +1407,6 @@ static int __devinit snd_cs4281_create(struct snd_card *card,
 
         snd_cs4281_proc_init(chip);
 
-        snd_card_set_pm_callback(card, cs4281_suspend, cs4281_resume, chip);
-
         snd_card_set_dev(card, &pci->dev);
 
         *rchip = chip;
@@ -1936,6 +1930,7 @@ static int __devinit snd_cs4281_probe(struct pci_dev *pci,
                 snd_card_free(card);
                 return err;
         }
+        card->private_data = chip;
 
         if ((err = snd_cs4281_mixer(chip)) < 0) {
                 snd_card_free(card);
@@ -2007,18 +2002,18 @@ static int saved_regs[SUSPEND_REGISTERS] = {
 
 #define CLKCR1_CKRA                             0x00010000L
 
-static int cs4281_suspend(struct snd_card *card, pm_message_t state)
+static int cs4281_suspend(struct pci_dev *pci, pm_message_t state)
 {
-        struct cs4281 *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct cs4281 *chip = card->private_data;
         u32 ulCLK;
         unsigned int i;
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
         snd_pcm_suspend_all(chip->pcm);
 
-        if (chip->ac97)
-                snd_ac97_suspend(chip->ac97);
-        if (chip->ac97_secondary)
-                snd_ac97_suspend(chip->ac97_secondary);
+        snd_ac97_suspend(chip->ac97);
+        snd_ac97_suspend(chip->ac97_secondary);
 
         ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1);
         ulCLK |= CLKCR1_CKRA;
@@ -2048,18 +2043,21 @@ static int cs4281_suspend(struct snd_card *card, pm_message_t state)
         ulCLK &= ~CLKCR1_CKRA;
         snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK);
 
-        pci_disable_device(chip->pci);
+        pci_disable_device(pci);
+        pci_save_state(pci);
         return 0;
 }
 
-static int cs4281_resume(struct snd_card *card)
+static int cs4281_resume(struct pci_dev *pci)
 {
-        struct cs4281 *chip = card->pm_private_data;
+        struct snd_card *card = pci_get_drvdata(pci);
+        struct cs4281 *chip = card->private_data;
         unsigned int i;
         u32 ulCLK;
 
-        pci_enable_device(chip->pci);
-        pci_set_master(chip->pci);
+        pci_restore_state(pci);
+        pci_enable_device(pci);
+        pci_set_master(pci);
 
         ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1);
         ulCLK |= CLKCR1_CKRA;
@@ -2072,15 +2070,14 @@ static int cs4281_resume(struct snd_card *card)
                 if (saved_regs[i])
                         snd_cs4281_pokeBA0(chip, saved_regs[i], chip->suspend_regs[i]);
 
-        if (chip->ac97)
-                snd_ac97_resume(chip->ac97);
-        if (chip->ac97_secondary)
-                snd_ac97_resume(chip->ac97_secondary);
+        snd_ac97_resume(chip->ac97);
+        snd_ac97_resume(chip->ac97_secondary);
 
         ulCLK = snd_cs4281_peekBA0(chip, BA0_CLKCR1);
         ulCLK &= ~CLKCR1_CKRA;
         snd_cs4281_pokeBA0(chip, BA0_CLKCR1, ulCLK);
 
+        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
         return 0;
 }
 #endif /* CONFIG_PM */
@@ -2090,7 +2087,10 @@ static struct pci_driver driver = {
         .id_table = snd_cs4281_ids,
         .probe = snd_cs4281_probe,
         .remove = __devexit_p(snd_cs4281_remove),
-        SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+        .suspend = cs4281_suspend,
+        .resume = cs4281_resume,
+#endif
 };
         
 static int __init alsa_card_cs4281_init(void)