[alsa-devel] Mixer volume/decibel mapping

[James Courtier-Dutton]

On 21 May 2010 07:35, Clemens Ladisch <clemens at ladisch.de> wrote:
> James Courtier-Dutton wrote:
>
>> For the cards that do have this 32bit linear value, a simple lookup
>> table is used in the kernel code to convert it to 256 step values.
>
> Which driver is this?  It should be changed to use the full range.
>

All creative and emu cards with a DSP.
They use a lookup table in the driver.