i915, HDMI/DP audio with multiple monitors

[Takashi Iwai]

On Wed, 12 Sep 2018 19:46:58 +0200,
Ville Syrjälä wrote:
> 
> On Tue, Sep 11, 2018 at 03:50:13PM +0200, Bruno Prémont wrote:
> > Hi,
> > 
> > I have a system with multiple monitors and would like to send
> > notification sounds to the monitor on which corresponding
> > window is visible.
> > 
> > For a workstation and a tiny computer things look different:
> > - workstation (Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz):
> >  00:02.0 VGA compatible controller [0300]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller [8086:0412] (rev 06)
> >  00:03.0 Audio device [0403]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller [8086:0c0c] (rev 06)
> >  00:1b.0 Audio device [0403]: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller [8086:8c20] (rev 04)
> > 
> >  Here alsa show me two cards:
> >  - HDA Intel PCH (Realtek ALC671)
> >  - HDA Intel HDMI (Intel Generic)
> > 
> >  **** List of PLAYBACK Hardware Devices ****
> >  card 0: HDMI [HDA Intel HDMI], device 3: Generic Digital [Generic Digital]
> >    Subdevices: 1/1
> >    Subdevice #0: subdevice #0

Is a proper kernel config (CONFIG_SND_HDA_CODEC_HDMI) enabled?
The device name looks strange as if it's not properly bound with the
HDMI codec driver.


Takashi