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SubjectRe: 2.6.29 regression: left audio channel broken after resume from suspend with Intel HDA
At Thu, 07 May 2009 21:54:40 +1000,
Nigel Cunningham wrote:
>
> Hi.
>
> On Thu, 2009-05-07 at 12:45 +0200, Takashi Iwai wrote:
> > The problem is that BIOS on your machine sets this pin both for
> > input and output. Since it's set as input, the driver respects
> > the BIOS setup and skips to override.
>
> 'scuse the ignorance, but this makes me ask: Are pins logically
> unrelated to jacks?

Yes, they are.

> I have a Dell M1530, and it has some jacks that can
> work as either inputs or outputs. Under M$, when I plug something in, a
> dialog box pops up asking me whether I connected a mic, line in or an
> output jack (I forget the details). Sounds like Tino's problem is what
> I'd expect from my BIOS. But I'm probably completely ignorant :)

The problem there is that the BIOS sets the current pin direction for
both input and output, but you can't play and record at the same time
on a jack. It's not about the capability.

BIOS is supposed to set all the pins properly ready for use, but it's
not so on Mac.


Takashi


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