[alsa-devel] Realtek ALC892 / snd-hda-intel breakage between 3.16 & 3.19

[Raymond Yau]

>
> > > After upgrading from 3.16.0-38-generic (Ubuntu Utopic) to
> > > 3.19.0-18-generic (Ubuntu Vivid) my audio stopped working.
> > > The issue appears to be in the snd-hda-intel driver.
> [ .. ]
> > HDMI fail because drm/i915 fail
>
> So it appears. I hadn't noticed these:
> | [000d00h02m01s] Could not create debugfs 'i915_pipe_update_start'
directory
> | [000d00h02m01s] snd_hda_intel 0000:00:03.0: Cannot turn on display
power on i915
>
>

This patch add the error messge " Cannot turn on display power on i915"

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/patch/sound/pci/hda/hda_intel.c?id=74b0c2d75fb4cc89173944e6d8f9eb47aca0c343