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ALSA: hda: Simplify PM callbacks 

This is a similar cleanup like the commit [3db084fd0af5: ALSA: fm801:
PCI core handles power state for us].

Since pci_set_power_state(), pci_save_state() and pci_restore_state()
are already done in the PCI core side, so we don't need to it doubly.

Also, pci_enable_device(), pci_disable_device() and pci_set_master()
calls in PM callbacks are superfluous nowadays, too, so get rid of
them as well.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2015-01-08 12:47:42 +01:00
parent 8b1db4df20
commit e2a711f1b5
1 changed files with 0 additions and 13 deletions
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13
sound/pci/hda/hda_intel.c
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@ -795,7 +795,6 @@ static int param_set_xint(const char *val, const struct kernel_param *kp)
*/
static int azx_suspend(struct device *dev)
{
struct pci_dev *pci = to_pci_dev(dev);
struct snd_card *card = dev_get_drvdata(dev);
struct azx *chip;
struct hda_intel *hda;
@ -824,9 +823,6 @@ static int azx_suspend(struct device *dev)
if (chip->msi)
pci_disable_msi(chip->pci);
pci_disable_device(pci);
pci_save_state(pci);
pci_set_power_state(pci, PCI_D3hot);
if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
hda_display_power(false);
return 0;
@ -851,15 +847,6 @@ static int azx_resume(struct device *dev)
hda_display_power(true);
haswell_set_bclk(chip);
}
pci_set_power_state(pci, PCI_D0);
pci_restore_state(pci);
if (pci_enable_device(pci) < 0) {
dev_err(chip->card->dev,
"pci_enable_device failed, disabling device\n");
snd_card_disconnect(card);
return -EIO;
}
pci_set_master(pci);
if (chip->msi)
if (pci_enable_msi(pci) < 0)
chip->msi = 0;