[alsa-devel] Question on buffer size setting

Allyn, Mark A mark.a.allyn at intel.com
Sat May 19 03:00:18 CEST 2007

I am attempting to do some debugging of a new audio device, and I need
to change the
number of buffer descriptor list entries from the default of 16 to
something much
smaller, like 3.

I am a bit confused while looking at the code. There seems to be a value
SNDRV_PCM_HW_PARAM_BUFFER_SIZE, but I can't figure how it is set. Is
this a parameter that
is passed as part of the configure prior to doing a make for the driver?
Is this a parameter
passed to modprobe when loading the driver? 

Thanks for your help.


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