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| author |   Takashi Iwai <tiwai@suse.de> | 2012-12-04 17:01:25 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-12-12 11:32:56 +0100 |
| commit | c5c215232dfb71d1cf2cc8627bdc2206726aa8a3 (patch) | |
| tree | ec7198f923b216a9701943479560c219ffa8ab9f /sound/pci/hda/patch_conexant.c | |
| parent | ALSA: usb-audio: Enable S/PDIF on the ASUS Xonar U3 (diff) | |
| download | linux-dev-c5c215232dfb71d1cf2cc8627bdc2206726aa8a3.tar.xz linux-dev-c5c215232dfb71d1cf2cc8627bdc2206726aa8a3.zip | |
ALSA: hda - Avoid doubly suspend after vga switcheroo
The HD-audio driver artificially calls the suspend and the resume code
path in the VGA switcheroo state changes. When a machine goes to
suspend, it tries to suspend the device again, and it stalls at
snd_power_wait().
This patch adds checks whether the devices were already in (forced)
suspend in PM callbacks for avoiding the doubly suspend.
Reported-by: Daniel J Blueman <daniel@quora.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to '')
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