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authorTakashi Iwai <tiwai@suse.de>2015-06-10 13:03:49 +0300
committerTakashi Iwai <tiwai@suse.de>2015-06-11 07:51:19 +0300
commitbf06848bdbe549175d25d2327ab9f37d4bd556b7 (patch)
tree0f415ed593f5168966068ab787b2d9fb9c3701ef /include/sound
parent98a226ed21949601b270f7ea20abc9f72f7b0be9 (diff)
downloadlinux-bf06848bdbe549175d25d2327ab9f37d4bd556b7.tar.xz
ALSA: hda - Continue probing even if i915 binding fails
Currently snd-hda-intel driver aborts the probing of Intel HD-audio controller with i915 power well management when binding with i915 driver via hda_i915_init() fails. This is no big problem for Haswell and Broadwell where the HD-audio controllers are dedicated to HDMI/DP, thus i915 link is mandatory. However, Skylake, Baytrail and Braswell have only one controller and both HDMI/DP and analog codecs share the same bus. Thus, even if HDMI/DP isn't usable, we should keep the controller working for other codecs. For fixing this, this patch simply allows continuing the probing even if hda_i915_init() call fails. This may leave stale sound components for HDMI/DP devices that are unbound with graphics. We could abort the probing selectively, but from the code simplicity POV, it's better to continue in all cases. Reported-by: Libin Yang <libin.yang@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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