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On Fri, Apr 11, 2008 at 4:33 AM, Raffaele BELARDI |
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<raffaele.belardi@××.com> wrote: |
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> On Fri, 2008-04-11 at 07:16 -0400, Mark Haney wrote: |
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> > Well for me, the trick in alsamixer is to look at the bottom of each |
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> > 'bar graph' and see if it has 'MM' in it instead of the infinity symbol. |
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> > I am pretty sure that's a standard set of symbols for that. The 'MM' |
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> > is for muted' and the infinity symbol is for unmuted. |
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> > |
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> |
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> I have a question related to alsamixer, although not related to the |
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> subject. |
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> |
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> On my box with VIA chipset, alsamixer has a 'spread front to surround' |
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> control that duplicates the same signal on front and surround output |
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> jacks. |
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> |
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> There is no similar control on the box with the NVIDIA 430. Is it a |
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> configuration problem on my side? Anybody know how could I obtain the |
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> same effect without that control? |
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> |
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> raf |
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> |
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|
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The controls shown in alsamixer are based on hardware features |
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revealed by the driver. My guess is that the nvidia 430 doesn't have |
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this feature, or it's driver hasn't turned it on by default. Possibly |
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there is a module parameter switch that shows up with modinfo that you |
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could play with? |
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|
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If you think the hardware supports this feature but the driver isn't |
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enabling it then your best bet would be to contact the alsa developers |
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to look for some support. (Or do it yourself if you have the skill |
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set!) |
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|
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cheers, |
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Mark |
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-- |
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