ALSA: hda - Add codec bus reset and verb-retry at critical errors

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Some machines machine cause a severe CORB/RIRB stall in certain
weird conditions, such as PA access at the start up together with
fglrx driver.  This seems unable to be recovered without the controller
reset.

This patch allows the bus controller reset at critical errors so
that the communication gets recovered again.

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

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This commit is contained in:

Takashi Iwai 2009-06-02 01:16:07 +02:00

parent 8871e5b915

commit 8dd783304e

3 changed files with 55 additions and 23 deletions

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32

sound/pci/hda/hda_codec.c

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6

sound/pci/hda/hda_codec.h

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40

sound/pci/hda/hda_intel.c

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