ALSA: hda - Limit runtime PM support only to known Intel chips

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We've got a report that the runtime PM may make the codec the
unresponsive on AMD platforms.  Since the feature has been tested only
on the recent Intel platforms, it's safer to limit the support to such
devices for now.

This patch adds a new DCAPS bit flag indicating the runtime PM
support, and mark it for Intel controllers.

Reported-and-tested-by: Julian Wollrath <jwollrath@web.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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This commit is contained in:

Takashi Iwai 2012-11-19 20:03:37 +01:00

parent 989c318715

commit 2ea3c6a2c7

1 changed files with 20 additions and 19 deletions

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39

sound/pci/hda/hda_intel.c

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