diff options
Diffstat (limited to 'sound/pci/cs5535audio/cs5535audio_pm.c')
| -rw-r--r-- | sound/pci/cs5535audio/cs5535audio_pm.c | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/sound/pci/cs5535audio/cs5535audio_pm.c b/sound/pci/cs5535audio/cs5535audio_pm.c index aad0e69db9c..34cc60057d0 100644 --- a/sound/pci/cs5535audio/cs5535audio_pm.c +++ b/sound/pci/cs5535audio/cs5535audio_pm.c @@ -19,10 +19,8 @@ */ #include <linux/init.h> -#include <linux/slab.h> #include <linux/pci.h> #include <linux/delay.h> -#include <sound/driver.h> #include <sound/core.h> #include <sound/control.h> #include <sound/initval.h> @@ -57,38 +55,49 @@ static void snd_cs5535audio_stop_hardware(struct cs5535audio *cs5535au) } -int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state) +static int snd_cs5535audio_suspend(struct device *dev) { - struct snd_card *card = pci_get_drvdata(pci); + struct pci_dev *pci = to_pci_dev(dev); + struct snd_card *card = dev_get_drvdata(dev); struct cs5535audio *cs5535au = card->private_data; int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + snd_pcm_suspend_all(cs5535au->pcm); + snd_ac97_suspend(cs5535au->ac97); for (i = 0; i < NUM_CS5535AUDIO_DMAS; i++) { struct cs5535audio_dma *dma = &cs5535au->dmas[i]; - if (dma && dma->substream && !dma->suspended) + if (dma && dma->substream) dma->saved_prd = dma->ops->read_prd(cs5535au); } - snd_pcm_suspend_all(cs5535au->pcm); - snd_ac97_suspend(cs5535au->ac97); /* save important regs, then disable aclink in hw */ snd_cs5535audio_stop_hardware(cs5535au); - pci_disable_device(pci); - pci_save_state(pci); + if (pci_save_state(pci)) { + dev_err(dev, "pci_save_state failed!\n"); + return -EIO; + } + pci_disable_device(pci); + pci_set_power_state(pci, PCI_D3hot); return 0; } -int snd_cs5535audio_resume(struct pci_dev *pci) +static int snd_cs5535audio_resume(struct device *dev) { - struct snd_card *card = pci_get_drvdata(pci); + struct pci_dev *pci = to_pci_dev(dev); + struct snd_card *card = dev_get_drvdata(dev); struct cs5535audio *cs5535au = card->private_data; u32 tmp; int timeout; int i; + pci_set_power_state(pci, PCI_D0); pci_restore_state(pci); - pci_enable_device(pci); + if (pci_enable_device(pci) < 0) { + dev_err(dev, "pci_enable_device failed, disabling device\n"); + snd_card_disconnect(card); + return -EIO; + } pci_set_master(pci); /* set LNK_WRM_RST to reset AC link */ @@ -103,21 +112,22 @@ int snd_cs5535audio_resume(struct pci_dev *pci) } while (--timeout); if (!timeout) - snd_printk(KERN_ERR "Failure getting AC Link ready\n"); + dev_err(cs5535au->card->dev, "Failure getting AC Link ready\n"); - /* we depend on ac97 to perform the codec power up */ - snd_ac97_resume(cs5535au->ac97); /* set up rate regs, dma. actual initiation is done in trig */ for (i = 0; i < NUM_CS5535AUDIO_DMAS; i++) { struct cs5535audio_dma *dma = &cs5535au->dmas[i]; - if (dma && dma->substream && dma->suspended) { + if (dma && dma->substream) { dma->substream->ops->prepare(dma->substream); dma->ops->setup_prd(cs5535au, dma->saved_prd); } } - + + /* we depend on ac97 to perform the codec power up */ + snd_ac97_resume(cs5535au->ac97); snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; } +SIMPLE_DEV_PM_OPS(snd_cs5535audio_pm, snd_cs5535audio_suspend, snd_cs5535audio_resume); |
