From 44728e97c35ef31d649dafbbada665e37176f5da Mon Sep 17 00:00:00 2001
From: Daniel J Blueman <daniel@quora.org>
Date: Tue, 18 Dec 2012 23:59:33 +0800
Subject: [PATCH] ALSA: HDA: Fix sound resume hang
Resuming a switcheroo'd HDA controller hangs since the completion
is one-shot (thus works the first time). Fix by using completions
that explictly need rearming, so remain fired before.
Signed-off-by: Daniel J Blueman <daniel@quora.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/hda_intel.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 0f3d3db0df71a3..cca87277baf088 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2876,7 +2876,7 @@ static int azx_free(struct azx *chip)
azx_notifier_unregister(chip);
chip->init_failed = 1; /* to be sure */
- complete(&chip->probe_wait);
+ complete_all(&chip->probe_wait);
if (use_vga_switcheroo(chip)) {
if (chip->disabled && chip->bus)
@@ -3504,7 +3504,7 @@ static int azx_probe(struct pci_dev *pci,
pm_runtime_put_noidle(&pci->dev);
dev++;
- complete(&chip->probe_wait);
+ complete_all(&chip->probe_wait);
return 0;
out_free:
--
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