[ALSA] cs46xx - Fix PM support
Modules: CS46xx driver
Fix PM support on CS46xx driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/sound/cs46xx.h b/include/sound/cs46xx.h
index b33ca2a..199b509 100644
--- a/include/sound/cs46xx.h
+++ b/include/sound/cs46xx.h
@@ -1728,6 +1728,8 @@
struct pci_dev *pci,
int external_amp, int thinkpad,
struct snd_cs46xx **rcodec);
+int snd_cs46xx_suspend(struct pci_dev *pci, pm_message_t state);
+int snd_cs46xx_resume(struct pci_dev *pci);
int snd_cs46xx_pcm(struct snd_cs46xx *chip, int device, struct snd_pcm **rpcm);
int snd_cs46xx_pcm_rear(struct snd_cs46xx *chip, int device, struct snd_pcm **rpcm);
diff --git a/sound/pci/cs46xx/cs46xx.c b/sound/pci/cs46xx/cs46xx.c
index 7d6b29e..c590602 100644
--- a/sound/pci/cs46xx/cs46xx.c
+++ b/sound/pci/cs46xx/cs46xx.c
@@ -98,6 +98,7 @@
snd_card_free(card);
return err;
}
+ card->private_data = chip;
chip->accept_valid = mmap_valid[dev];
if ((err = snd_cs46xx_pcm(chip, 0, NULL)) < 0) {
snd_card_free(card);
@@ -166,7 +167,10 @@
.id_table = snd_cs46xx_ids,
.probe = snd_card_cs46xx_probe,
.remove = __devexit_p(snd_card_cs46xx_remove),
- SND_PCI_PM_CALLBACKS
+#ifdef CONFIG_PM
+ .suspend = snd_cs46xx_suspend,
+ .resume = snd_cs46xx_resume,
+#endif
};
static int __init alsa_card_cs46xx_init(void)
diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index 11d91d0..0ec0592 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -3654,18 +3654,19 @@
* APM support
*/
#ifdef CONFIG_PM
-static int snd_cs46xx_suspend(struct snd_card *card, pm_message_t state)
+int snd_cs46xx_suspend(struct pci_dev *pci, pm_message_t state)
{
- struct snd_cs46xx *chip = card->pm_private_data;
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct snd_cs46xx *chip = card->private_data;
int amp_saved;
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(chip->pcm);
// chip->ac97_powerdown = snd_cs46xx_codec_read(chip, AC97_POWER_CONTROL);
// chip->ac97_general_purpose = snd_cs46xx_codec_read(chip, BA0_AC97_GENERAL_PURPOSE);
snd_ac97_suspend(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]);
- if (chip->ac97[CS46XX_SECONDARY_CODEC_INDEX])
- snd_ac97_suspend(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
+ snd_ac97_suspend(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
amp_saved = chip->amplifier;
/* turn off amp */
@@ -3674,17 +3675,20 @@
/* disable CLKRUN */
chip->active_ctrl(chip, -chip->amplifier);
chip->amplifier = amp_saved; /* restore the status */
- pci_disable_device(chip->pci);
+ pci_disable_device(pci);
+ pci_save_state(pci);
return 0;
}
-static int snd_cs46xx_resume(struct snd_card *card)
+int snd_cs46xx_resume(struct pci_dev *pci)
{
- struct snd_cs46xx *chip = card->pm_private_data;
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct snd_cs46xx *chip = card->private_data;
int amp_saved;
- pci_enable_device(chip->pci);
- pci_set_master(chip->pci);
+ pci_restore_state(pci);
+ pci_enable_device(pci);
+ pci_set_master(pci);
amp_saved = chip->amplifier;
chip->amplifier = 0;
chip->active_ctrl(chip, 1); /* force to on */
@@ -3703,14 +3707,14 @@
#endif
snd_ac97_resume(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]);
- if (chip->ac97[CS46XX_SECONDARY_CODEC_INDEX])
- snd_ac97_resume(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
+ snd_ac97_resume(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
if (amp_saved)
chip->amplifier_ctrl(chip, 1); /* turn amp on */
else
chip->active_ctrl(chip, -1); /* disable CLKRUN */
chip->amplifier = amp_saved;
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif /* CONFIG_PM */
@@ -3870,8 +3874,6 @@
snd_cs46xx_proc_init(card, chip);
- snd_card_set_pm_callback(card, snd_cs46xx_suspend, snd_cs46xx_resume, chip);
-
chip->active_ctrl(chip, -1); /* disable CLKRUN */
snd_card_set_dev(card, &pci->dev);