[zric@Zarch ~]$ lspci | grep -i audio
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio Controller (rev 03)
[zric@Zarch ~]$ pacman -Q | grep alsa
alsa-firmware 1.0.29-1
alsa-lib 1.1.3-1
alsa-oss 1.0.28-1
alsa-plugins 1.1.1-1
alsa-tools 1.1.3-1
alsa-utils 1.1.3-2
pulseaudio-alsa 2-3
zita-alsa-pcmi 0.2.0-3
[zric@Zarch ~]$ head -n1 /proc/asound/card0/codec#0 Codec: Intel Broadwell HDMI
sonst irgendwas benötigt?