[alsa-devel] Question about Conversion to S24_LE from S24_3LE

[Clemens Ladisch]

Tan, Seng Kai wrote:
> I am facing similar problem like this issue, hope to get your advice.
> http://mailman.alsa-project.org/pipermail/alsa-devel/2012-August/054241.html

And the answer is the same.

> I try to turn on S24_LE support for HDMI Audio using below patch.

Your hardware does not support S24_LE.

24-bit samples use the S32_LE format (unless you have very exotic
hardware, but HDA isn't).

> Back end  S24_LE :  0x00123456(in 4bytes, MSB 0 padding)

This is how S24_LE works.

> Can you advice how to tell the alsa plugin to pad in LSB instead of MSB?

Use S32_LE.


Regards,
Clemens