ALSA: pci: trivial: replace numeric with standard PM state macros

Use standard PM state macros PCI_Dx instead of numeric 0/1/2..
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/cs4281.c

@@ -1312,7 +1312,7 @@ static int snd_cs4281_free(struct cs4281 *chip)
 	/* Sound System Power Management - Turn Everything OFF */
 	snd_cs4281_pokeBA0(chip, BA0_SSPM, 0);
 	/* PCI interface - D3 state */
-	pci_set_power_state(chip->pci, 3);
+	pci_set_power_state(chip->pci, PCI_D3hot);
 
 	if (chip->irq >= 0)
 		free_irq(chip->irq, chip);

sound/pci/ens1370.c

@@ -1939,7 +1939,7 @@ static int snd_ensoniq_free(struct ensoniq *ensoniq)
 #endif
 	if (ensoniq->irq >= 0)
 		synchronize_irq(ensoniq->irq);
-	pci_set_power_state(ensoniq->pci, 3);
+	pci_set_power_state(ensoniq->pci, PCI_D3hot);
       __hw_end:
 #ifdef CHIP1370
 	if (ensoniq->dma_bug.area)

sound/pci/ymfpci/ymfpci_main.c

@@ -2258,7 +2258,7 @@ static int snd_ymfpci_free(struct snd_ymfpci *chip)
 	/* FIXME: temporarily disabled, otherwise we cannot fire up
 	 * the chip again unless reboot.  ACPI bug?
 	 */
-	pci_set_power_state(chip->pci, 3);
+	pci_set_power_state(chip->pci, PCI_D3hot);
 #endif
 
 #ifdef CONFIG_PM_SLEEP