patchThe OpenVortex Project - Patches: patch #3147, Patch to fix the Front and Rear...


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patch #3147: Patch to fix the Front and Rear Channels Swap in au8830

Submitter:  None
Submitted:  Mon 21 Jun 2004 09:30:30 AM UTC
Category:  1.0.x-public Priority:  1 - Later
Status:  None Privacy:  Public
Assigned to:  None Originator Email:  -email is unavailable-
Open/Closed:  Open

Tue 22 Jun 2004 02:42:07 PM UTC, comment #1: 

static int patch_sigmatel_stac9704_specific(ac97_t *ac97)
int err;
if ((err = snd_ac97_cmix_new(ac97->bus->card, "Stereo True Line Level Out", AC97_HEADPHONE, 0, ac97)) < 0)
return err;
return 0;

static struct snd_ac97_build_ops patch_sigmatel_stac9704_ops = {
.build_3d = patch_sigmatel_stac9700_3d,
.build_specific = patch_sigmatel_stac9704_specific

int patch_sigmatel_stac9704(ac97_t *ac97)
ac97->build_ops = &patch_sigmatel_stac9704_ops;
return 0;

Mon 21 Jun 2004 09:30:30 AM UTC, original submission:  

The Front and Rear channels are correctly played on the first time, it will swapped afterwards.

Test case :
1) aplay out1lq.wav, out1rq.wav, out2lq.wav, out2rq.wav
2) gxine ac3test.vob
3) speaker-test

support #102939

Is there any reason for the original code to use vortex_adbdma_pausefifo to replace vortex_adbdma_stopfifo ?
Patch only tested on au8830.



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Attached Files
file #7569:  front_rear_swap.patch added by None (1012B - application/octet-stream - Patch to fix the Front and Rear Channel Swap in au8830)


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Follows 1 latest change.

Date Changed by Updated Field Previous Value => Replaced by
2004-06-21 None Attached File- Added front_rear_swap.patch, #3379

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