analog audio input with cx88-alsa
- From: Mauro Carvalho Chehab <mchehab (at) infradead.org>
- Date: Thu, 22 Feb 2007 06:59:52 -0200
Em Qua, 2007-02-21 Ãs 22:49 +0100, Daniel GlÃckner escreveu:
> On Wed, Feb 21, 2007 at 02:14:54PM -0500, Matthew T. Russotto wrote:
> > At a quick glance, it does not
> > appear that the CX88 is able to decode baseband audio; it expects
> > audio at the IF frequency of the tuner.
>
> Correct, but some cards have an additional stereo ADC that is connected
> via I2S to the CX88 to capture radio or other external audio sources.
For this to work, probably, some additional programming is required.
cx88 module is capable of handing I2S, but this requires some extra
board-specific information (proper mux settings) and if the device
should use i2s for that input(extadc=1 at board description).
>
> Daniel
>
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Cheers,
Mauro
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