[ALSA] Various fixes for suspend/resume of ALSA PCI drivers

[safe/jmp/linux-2.6] / sound / pci / nm256 / nm256.c

diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c
index b1bbdb9..945d21b 100644 (file)
--- a/sound/pci/nm256/nm256.c
+++ b/sound/pci/nm256/nm256.c
@@ -1390,6 +1390,7 @@ static int nm256_suspend(struct pci_dev *pci, pm_message_t state)
        chip->coeffs_current = 0;
        pci_disable_device(pci);
        pci_save_state(pci);
+       pci_set_power_state(pci, pci_choose_state(pci, state));
        return 0;
 }
 
@@ -1401,8 +1402,17 @@ static int nm256_resume(struct pci_dev *pci)
 
        /* Perform a full reset on the hardware */
        chip->in_resume = 1;
+
+       pci_set_power_state(pci, PCI_D0);
        pci_restore_state(pci);
-       pci_enable_device(pci);
+       if (pci_enable_device(pci) < 0) {
+               printk(KERN_ERR "nm256: pci_enable_device failed, "
+                      "disabling device\n");
+               snd_card_disconnect(card);
+               return -EIO;
+       }
+       pci_set_master(pci);
+
        snd_nm256_init_chip(chip);
 
        /* restore ac97 */