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* [PATCH 3/5] ALSA: cs5535audio: update PCI device handling in suspend/resume
@ 2007-08-30  3:30 Andres Salomon
  2007-08-30 14:44 ` Jordan Crouse
  0 siblings, 1 reply; 2+ messages in thread
From: Andres Salomon @ 2007-08-30  3:30 UTC (permalink / raw)
  To: jayakumar.alsa; +Cc: akpm, jordan.crouse, linux-kernel, info-linux


Save the PCI state before disabling the device, and add some error checking.

Signed-off-by: Andres Salomon <dilinger@debian.org>
---

 sound/pci/cs5535audio/cs5535audio_pm.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/sound/pci/cs5535audio/cs5535audio_pm.c b/sound/pci/cs5535audio/cs5535audio_pm.c
index 9a4e84a..838708f 100644
--- a/sound/pci/cs5535audio/cs5535audio_pm.c
+++ b/sound/pci/cs5535audio/cs5535audio_pm.c
@@ -74,8 +74,11 @@ int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state)
 	/* save important regs, then disable aclink in hw */
 	snd_cs5535audio_stop_hardware(cs5535au);
 
+	if (pci_save_state(pci)) {
+		printk(KERN_ERR "cs5535audio: pci_save_state failed!\n");
+		return -EIO;
+	}
 	pci_disable_device(pci);
-	pci_save_state(pci);
 	pci_set_power_state(pci, pci_choose_state(pci, state));
 	return 0;
 }
@@ -89,7 +92,12 @@ int snd_cs5535audio_resume(struct pci_dev *pci)
 	int i;
 
 	pci_set_power_state(pci, PCI_D0);
-	pci_restore_state(pci);
+	if (pci_restore_state(pci) < 0) {
+		printk(KERN_ERR "cs5535audio: pci_restore_state failed, "
+		       "disabling device\n");
+		snd_card_disconnect(card);
+		return -EIO;
+	}
 	if (pci_enable_device(pci) < 0) {
 		printk(KERN_ERR "cs5535audio: pci_enable_device failed, "
 		       "disabling device\n");

^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2007-08-30 14:46 UTC | newest]

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2007-08-30  3:30 [PATCH 3/5] ALSA: cs5535audio: update PCI device handling in suspend/resume Andres Salomon
2007-08-30 14:44 ` Jordan Crouse

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