4.2 (2000) on ALC861 (Asus A6M) headphone output issue

OSS specific Linux discussion (x86/amd64)

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Mr. Tao
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Joined: Mon May 18, 2009 9:56 pm

4.2 (2000) on ALC861 (Asus A6M) headphone output issue

Postby Mr. Tao » Sat Sep 26, 2009 9:08 am

Headphone output doesn't work as expected. When headphones are connected internal speakers are muted but there's no signal routed to headphone jack.

However osstest produces some cranking when playing through /dev/oss/oss_hdaudio0/pcm1 (audio engine 1): HD Audio play center/LFE and even expected test melody when it reaches /dev/oss/oss_hdaudio0/pcm2 (audio engine 2): HD Audio play rear.

On this system there are two silver jacks for line-in and mic (despite ossxmix claims they are pink and blue) and one black headphone jack (this one is combined with mini-TOSLINK S/PDIF output). Chipset is nVidia MCP51.

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