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OpenBenchmarking.org

HDMI Audio Support For Intel G43/45 Chipsets

Intel

Published on 07 November 2008 07:40 AM EST
Written by Michael Larabel in Intel
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Initially the ATI R600 GPUs and later with the available open-source drivers (xf86-video-ati and xf86-video-radeonhd) hadn't supported using the graphics card's integrated audio processor with HDMI output. An end-user though dissatisfied with this had went on to reverse-engineer the support for RadeonHD HDMI audio support. The audio patch was then merged to master within the last two weeks that now enable ATI HDMI audio output support with that open-source driver.

Those using Intel's driver with the G35 or G45 series have too been without HDMI audio capabilities. Intel though has now stepped up to the plate and have sent along patches that enable this capability.

Intel's Wu Fengguang has posted three patches on the X.Org mailing list that bring forward this support (one, two, and three). A patch has also been posted on the mailing list for the ALSA (Advanced Linux Sound Architecture) to support the audio codec with Intel's G45 and to report the monitor's ELD (EDID-Like Data).

These patches haven't yet made their way into the respective xf86-video-intel and ALSA driver development branches, but we imagine they will be soon.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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