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path: root/sound/pci/cs5535audio/cs5535audio_pm.c
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Diffstat (limited to 'sound/pci/cs5535audio/cs5535audio_pm.c')
-rw-r--r--sound/pci/cs5535audio/cs5535audio_pm.c44
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);