Hello. Due to a hw defect, I recently bought a Gigabyte X48-DQ6 board which utilizes a Realtek ALC889A for sound output. At first glance everything seemed fine but during day-to-day use I figured that during playback of a 5.1 file, I've to turn up the volume quite a bit to match normal 2.0 playback or the volume levels of my old board (ADI1988B). And to make matters worse, the surround channel produces (static) noise on the center channel. If I mute every channel but the surround channel, the distortions are clearly hearable. During normal 5.1 playback, they are only hearable during scenes with a lot of talk or quieter scenes which is still very annoying unfortunately. Muting the surround channel also stops the distortions on the center channel. Also the model is not properly recognized, I've to pass model=6stack-dig to get all channels properly working with digital out. By the way, this is with a 2.6.26-rc7 x86_64 kernel running a alsa git checkout from last monday. I'd appreciate any help or hints I can get. Thanks in advance. Best regards, Matthias Dahl
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xea400000 irq 310
<<attachment: devices.txt.zip>>
00-02: ALC882 Analog : ALC882 Analog : capture 2 00-01: ALC882 Digital : ALC882 Digital : playback 1 : capture 1 00-00: ALC882 Analog : ALC882 Analog : playback 1 : capture 1
<<attachment: proc.interrupts.txt.zip>>
<<attachment: proc.asound.Intel.codec2.txt.zip>>
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