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authorTakashi Iwai <tiwai@suse.de>2015-06-12 07:53:58 +0200
committerTakashi Iwai <tiwai@suse.de>2015-06-12 08:05:02 +0200
commit535115b5ff51c702a9a22feb918707c2fe1fbd17 (patch)
treeb77e658e7c8b00e49eb7113313f6b0deb905dc24 /include/sound
parenta686ec4c5f28eb1b384e4b87b08543155c970072 (diff)
downloadlinux-535115b5ff51c702a9a22feb918707c2fe1fbd17.tar.bz2
ALSA: hda - Abort the probe without i915 binding for HSW/BDW
The previous patch tried to continue the probe if i915 binding fails. For for simplicity reason, we haven't implemented abort even for controller chips that are dedicated for HDMI/DP on HSW and BDW. However, Mengdong suggested that this can be dangerous; BIOS may disable gfx power well although the PCI entry for HD-audio is left, and this may result in the unexpected behavior, kernel errors, etc. For avoiding this situation, abort the probe at i915 binding failure only for HSW/BDW chips selectively. For other chips, it still continues. Fixes: bf06848bdbe5 ('ALSA: hda - Continue probing even if i915 binding fails') Reported-by: Mengdong Lin <mengdong.lin@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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