Re: Asus Xonar DS sound card

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Orion wrote:
> As for speakers/headphones, the volume drop is found in both. Although
> since I use the analogue outputs at the back, the same ports feeds both
> anyway. I have a 5.1 speaker system and all channels are affected by the
> problem.

There is a problem with the speakers' phase; the front speakers have
inverted polarity.  This would result in reduced bass response when there
is the same sound played on all speakers, so this doesn't quite fit your
error description.  Anyway, this would be fixed with the patch below,
which will be part of the next (stable) kernel.


Regards,
Clemens


--- a/sound/pci/oxygen/xonar_wm87x6.c
+++ b/sound/pci/oxygen/xonar_wm87x6.c
@@ -177,6 +177,7 @@ static void wm8776_registers_init(struct oxygen *chip)
 	struct xonar_wm87x6 *data = chip->model_data;

 	wm8776_write(chip, WM8776_RESET, 0);
+	wm8776_write(chip, WM8776_PHASESWAP, WM8776_PH_MASK);
 	wm8776_write(chip, WM8776_DACCTRL1, WM8776_DZCEN |
 		     WM8776_PL_LEFT_LEFT | WM8776_PL_RIGHT_RIGHT);
 	wm8776_write(chip, WM8776_DACMUTE, chip->dac_mute ? WM8776_DMUTE : 0);

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