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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>
This commit is contained in:
Daniel J Blueman 2012-12-18 23:59:33 +08:00 committed by Takashi Iwai
parent 6ffe168f82
commit 44728e97c3
1 changed files with 2 additions and 2 deletions
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4
sound/pci/hda/hda_intel.c
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@ -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: