https://bugzilla.kernel.org/show_bug.cgi?id=44831
Summary: Radeon HD6970: HDMI audio doesn't work Product: Drivers Version: 2.5 Kernel Version: 3.5.0-rc7 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) AssignedTo: drivers_video-dri@kernel-bugs.osdl.org ReportedBy: valentyn.pavliuchenko@gmail.com Regression: No
Created an attachment (id=75441) --> (https://bugzilla.kernel.org/attachment.cgi?id=75441) dmesg
Radeon Wiki says that HDMI audio should work with 3.5 kernel, however it doesn't. Sound device exists, but there's no actual sound. Video is ok.
https://bugzilla.kernel.org/show_bug.cgi?id=44831
--- Comment #1 from Valentyn Pavliuchenko valentyn.pavliuchenko@gmail.com 2012-07-15 15:51:51 --- Created an attachment (id=75451) --> (https://bugzilla.kernel.org/attachment.cgi?id=75451) Kernel config
https://bugzilla.kernel.org/show_bug.cgi?id=44831
Alex Deucher alexdeucher@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |alexdeucher@gmail.com
--- Comment #2 from Alex Deucher alexdeucher@gmail.com 2012-07-15 16:25:44 --- You need to boot with radeon.audio=1 on the kernel command line in grub to enable audio.
https://bugzilla.kernel.org/show_bug.cgi?id=44831
--- Comment #3 from Valentyn Pavliuchenko valentyn.pavliuchenko@gmail.com 2012-07-15 16:43:52 --- I was booting with radeon.audio=1 and radeon.hw_i2c=1 and I had no sound in that configuration. Now I've tried passing only radeon.audio=1 and sound is now present.
Please don't ask me why I've initially added hw_i2c option...
Is incompatibility between radeon.audio=1 and radeon.hw_i2c=1 a known issue? If so, this should be noted on the wiki.
Thank you!
https://bugzilla.kernel.org/show_bug.cgi?id=44831
Christian König deathsimple@vodafone.de changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |deathsimple@vodafone.de
--- Comment #4 from Christian König deathsimple@vodafone.de 2012-07-15 20:15:23 --- My best guess is that enabling hardware i2c makes it impossible to read the TV's EDID properly.
So the driver is neither able to detect the right resolution for the TV nor that it is HDMI audio capable.
https://bugzilla.kernel.org/show_bug.cgi?id=44831
Valentyn Pavliuchenko valentyn.pavliuchenko@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Summary|Radeon HD6970: HDMI audio |Radeon HD6970: HDMI audio |doesn't work |doesn't work with | |radeon.hw_i2c=1
https://bugzilla.kernel.org/show_bug.cgi?id=44831
Alan alan@lxorguk.ukuu.org.uk changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED CC| |alan@lxorguk.ukuu.org.uk Resolution|--- |OBSOLETE
--- Comment #5 from Alan alan@lxorguk.ukuu.org.uk --- This bug relates to a very old kernel. Closing as obsolete.
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