Date: Wed, 17 Feb 2021 06:31:31 +0000 From: Steve O'Hara-Smith <steve@sohara.org> To: freebsd-questions@freebsd.org Subject: Re: Subject: Sound from HDMI (pcm2) using i915kms.ko Message-ID: <20210217063131.e72eeaa0b74f498fcf509449@sohara.org> In-Reply-To: <4833146.YNO7O01DYZ@freebsd> References: <4833146.YNO7O01DYZ@freebsd>
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On Wed, 17 Feb 2021 01:07:24 -0500 Steven Friedrich <FreeBSD@twc.com> wrote: > Message-ID: <1772815.u6MfGjpqfb@freebsd> > Content-Type: text/plain; charset="us-ascii" > > I am running FreeBSD 12.2-RELEASE-p3 FreeBSD 12.2-RELEASE-p3 r369261 > FreeBSD amd64 > I put hw.snd.default_unit=2 in /etc/sysctl.conf to make pcm2 default. > cat /dev/sndstat confirms: > Installed devices: > pcm0: <Realtek ALC671 (Rear Analog)> (play/rec) > pcm1: <Realtek ALC671 (Analog)> (play/rec) > pcm2: <Intel Kaby Lake (HDMI/DP 8ch)> (play) default > No devices installed from userspace. > > But no sound is emitted from HDMI connector. > > It's my understanding that this requires some support in the video > driver, i915kms.ko The device is recognised and attached so that's OK. This may be something simple try mixer -f dev/mixer2 for clues. -- Steve O'Hara-Smith <steve@sohara.org>
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