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Subject[PATCH] HDA: Fix sound resume hang
Date
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>
---
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 22ecadc..e12b939 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2856,7 +2856,7 @@ 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)
@@ -3482,7 +3482,7 @@ static int __devinit 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:
--
1.7.10.4


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