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ALSA: oxygen: 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.

Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2015-01-08 12:49:13 +01:00
parent fc9b6061cf
commit 2d6b2e59ed
1 changed files with 0 additions and 15 deletions
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15
sound/pci/oxygen/oxygen_lib.c
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@ -728,7 +728,6 @@ EXPORT_SYMBOL(oxygen_pci_remove);
#ifdef CONFIG_PM_SLEEP
static int oxygen_pci_suspend(struct device *dev)
{
struct pci_dev *pci = to_pci_dev(dev);
struct snd_card *card = dev_get_drvdata(dev);
struct oxygen *chip = card->private_data;
unsigned int i, saved_interrupt_mask;
@ -753,10 +752,6 @@ static int oxygen_pci_suspend(struct device *dev)
flush_work(&chip->spdif_input_bits_work);
flush_work(&chip->gpio_work);
chip->interrupt_mask = saved_interrupt_mask;
pci_disable_device(pci);
pci_save_state(pci);
pci_set_power_state(pci, PCI_D3hot);
return 0;
}
@ -788,20 +783,10 @@ static void oxygen_restore_ac97(struct oxygen *chip, unsigned int codec)
static int oxygen_pci_resume(struct device *dev)
{
struct pci_dev *pci = to_pci_dev(dev);
struct snd_card *card = dev_get_drvdata(dev);
struct oxygen *chip = card->private_data;
unsigned int i;
pci_set_power_state(pci, PCI_D0);
pci_restore_state(pci);
if (pci_enable_device(pci) < 0) {
dev_err(dev, "cannot reenable device");
snd_card_disconnect(card);
return -EIO;
}
pci_set_master(pci);
oxygen_write16(chip, OXYGEN_DMA_STATUS, 0);
oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, 0);
for (i = 0; i < OXYGEN_IO_SIZE; ++i)