ALSA: hda - Protect user-defined arrays via mutex

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The pincfgs, init_verbs and hints set by sysfs or patch might be
changed dynamically on the fly, thus we need to protect it.
Add a simple protection via a mutex.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

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This commit is contained in:

Takashi Iwai 2013-01-10 18:21:56 +01:00

parent 08fb0d0ee1

commit 09b70e8509

4 changed files with 65 additions and 21 deletions

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13

sound/pci/hda/hda_codec.c

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1

sound/pci/hda/hda_codec.h

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67

sound/pci/hda/hda_hwdep.c

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5

sound/pci/hda/patch_sigmatel.c

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