[alsa-devel] C-Media CM6533 limited sample rate

[Clemens Ladisch]

Luigi Tarenga wrote:
> The datasheet say the chip support PCM at 8K/11.025K/16K/22.05K/32K/
> 44.1K/48K/96K Hz with 16 or 24 bit depth.

Or not; see footnote 2 on page 7.

> is the firmware on the chip that limit the hardware capabilities and
> when queried by the driver it report only 2 sample rates?

Yes.

> do you think adding a quirk for this chip and trying to overcome the
> firmware configuration and adding support for other sample rate can
> be a solution?

Maybe.

Please find out how you can recompile the kernel of your distribution.


Regards,
Clemens