ALSA Help: Single Channel Headphone Ouput
I just got a new machine, a dual Opteron 246 w/2GB RAM and IWIll DK8X motherboard. For some reason, my output for headphones only comes out of the right channel. It's running SuSe 9.1 64-bit.
I've tried everything I can think of, including: -- double checking all physical connections (mobo) -- reinstalling alsa, all the way up to 1.07rc1 -- checked module installs -- made almost all possible combinations of changes to alsamixer -- tried all ac97 quirk bits Still, I only get one channel sound. The audio card is an AC97 onboard w/SPDIF. Here's some info on the system. One last thing that comes to mind is that the motherboard documentation for hooking up the sound could be wrong. How do I test if the card it outputting both left and right channels out, so I can find out where the problem is? TIA, -- Jason > lspci -vvv 0000:00:07.5 Multimedia audio controller: Advanced Micro Devices [AMD] AMD-8111 AC97 Audio (rev 03) Subsystem: Iwill Corp: Unknown device 0045 Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 64 Interrupt: pin B routed to IRQ 17 Region 0: I/O ports at c800 Region 1: I/O ports at cc00 [size=64] > lsmod Module Size Used by snd_intel8x0 36164 5 snd_ac97_codec 80544 1 snd_intel8x0 snd_pcm 107016 3 snd_intel8x0,snd_ac97_codec snd_timer 27656 1 snd_pcm snd 60872 13 snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer soundcore 12192 1 snd > cat /proc/asound/devices 0: [0- 0]: ctl 25: [0- 1]: digital audio capture 16: [0- 0]: digital audio playback 24: [0- 0]: digital audio capture 33: : timer > cat /proc/asound/pcm 00-00: Intel ICH : AMD AMD8111 : playback 1 : capture 1 00-01: Intel ICH - MIC ADC : AMD AMD8111 - MIC ADC : capture 1 > cat /proc/asound/version Advanced Linux Sound Architecture Driver Version 1.0.7rc1. Compiled on Sep 8 2004 for kernel 2.6.5-7.108-smp (SMP). |
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