From: David Henningsson <david.henningsson@canonical.com>
To: ALSA Development Mailing List <alsa-devel@alsa-project.org>
Subject: Nvidia HDMI and four codecs
Date: Tue, 01 Feb 2011 09:10:19 +0100 [thread overview]
Message-ID: <4D47BFEB.8040602@canonical.com> (raw)
I've seen a few Nvidia HDMI's recently which have four HDMI codecs
connected to the same HDA controller. The problem is that we don't know
which one(s) of these four that is the real one. So people will have to
try devices "hdmi:Nvidia,0", "hdmi:Nvidia,1", "hdmi:Nvidia,2" and
"hdmi:Nvidia,3" to figure out which one is the right one. (And by
empirical testing we know that it isn't always the first one.)
Thinking PulseAudio and/or "Just Works", this is not good enough, so is
there a way to know beforehand which one of these four that is actually
physically connected?
I'd love BIOS to provide a good codec probe mask, a pin config default,
or something similar, but given a codec-proc I can't see any difference
between the real ones and the unconnected ones, so I don't know how to
fix up the driver without hardcoding/quirking every one of them. Any hints?
--
David Henningsson, Canonical Ltd.
http://launchpad.net/~diwic
next reply other threads:[~2011-02-01 8:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-01 8:10 David Henningsson [this message]
2011-02-01 16:36 ` Nvidia HDMI and four codecs Stephen Warren
2011-02-02 8:03 ` David Henningsson
2011-02-03 20:35 ` Stephen Warren
2011-02-04 7:27 ` David Henningsson
2011-02-04 23:25 ` Stephen Warren
2011-02-07 9:15 ` David Henningsson
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