From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 33399] New: No HDMI PCM mutichannel audio
Date: Mon, 24 Jan 2011 02:00:06 -0800 (PST)
Message-ID: <bug-33399-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=33399

           Summary: No HDMI PCM mutichannel audio
           Product: DRI
           Version: XOrg CVS
          Platform: All
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: xavier.bestel@free.fr


Hi,

using a HD 2600, audio over HDMI is stereo-only. The only mean to have
multichannel (e.g. 5.1) is to use passthrough, but true multichannel (e.g. 8
channels PCM) isn't supported by the driver, although it should be supported by
the HDMI standard.

Here's the excerpt from alsa-info.sh concerning the card:
Codec: ATI R6xx HDMI
Address: 0
AFG Function Id: 0x1 (unsol 0)
Vendor Id: 0x1002aa01
Subsystem Id: 0x00aa0100
Revision Id: 0x100000
No Modem Function Group found
Default PCM:
    rates [0x40]: 48000
    bits [0x2]: 16
    formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
GPIO: io=0, o=0, i=0, unsolicited=0, wake=0
Node 0x02 [Audio Output] wcaps 0x201: Stereo Digital
  Control: name="IEC958 Playback Con Mask", index=0, device=0
  Control: name="IEC958 Playback Pro Mask", index=0, device=0
  Control: name="IEC958 Playback Default", index=0, device=0
  Control: name="IEC958 Playback Switch", index=0, device=0
  Device: name="HDMI 0", type="HDMI", device=3
  Converter: stream=1, channel=0
  Digital: Enabled GenLevel
  Digital category: 0x2
Node 0x03 [Pin Complex] wcaps 0x400381: Stereo Digital
  Pincap 0x00000094: OUT Detect HDMI
  Pin Default 0x18560010: [Jack] Digital Out at Int HDMI
    Conn = Digital, Color = Unknown
    DefAssociation = 0x1, Sequence = 0x0
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=00, enabled=0
  Connection: 1
     0x02


Full data is at
http://www.alsa-project.org/db/?f=b3f67a0890f9878b7b3f345578e24eda0aaa59ac

Thanks,
        Xav

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