Messages in this thread |  | | Date | Thu, 30 Nov 2000 14:47:50 -0600 | Subject | Re: 2.4.0-test11: es1371 mixer problems | From | Brian McGroarty <> |
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On Thu, Nov 30, 2000 at 06:42:09PM +0100, Dick Streefland wrote: > On Thursday 2000-11-30 18:24, Robert Schiele wrote: > | On Thu, Nov 30, 2000 at 01:47:25PM +0100, Dick Streefland wrote: > | > This mixer probably replaces the normal AC97 mixer device. So, in > | > what situations do you need CONFIG_SOUND_TVMIXER? It would be nice if > | > someone could come up with an entry for Documentation/Configure.help. > | > | In fact it does not 'replace' the other mixer device, but it adds > | another one. The problem on your system is, that you load the new > | module before your sound card module. > | This means with only your sound card module, the mixer for your sound > | card is major 14/minor 0. With tvmixer module loaded before your sound > | card module, major 14/minor 0 is assigned to tvmixer and your sound > | card mixer gets major 14/minor 16. This is a problem for some mixer > | applications, because they always control the first mixer device. > | So you should just make sure, your sound card module is loaded > | _before_ the tvmixer module. > > OK, that makes it somewhat clearer to me. However, I don't use modules > and have everything compiled in, so I can't control the order in which > the mixer devices get loaded. Perhaps the initialization order in the > kernel should be changed?
Ditto this problem with via82c686a audio - likely all sound cards with tvmixer linked in.
If initialization order in the kernel is not changed and you don't want modules, you can swap /dev/mixer0 and /dev/mixer1 as an inelegant workaround.
> Excuse my ignorance, but what exactly is the purpose of the tvmixer? > I'm currently controlling the TV audio volume with the ac97 mixer, > using an external cable between the TV card and sound card.
There exists a mixer for the pass-through on the WinTV bt848 cards at least, as well as treble/bass control. Many stations broadcast with obscene amounts of bass, and so access to this is nice as you don't have to spoil your main EQ.
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