[alsa-devel] hw_params function and OSS emulation

Timur Tabi timur at freescale.com
Wed Aug 22 17:48:44 CEST 2007

Takashi Iwai wrote:

> The driver should deny a too large size if it's unrealistic.
> But 1MB is realistic for many systems.  So, the number depends on the
> system.

Are there any popular applications that really want a DMA buffer larger than 64KB?

On a side note, I notice that ALSA has some scatter-gather support.  If an 
application uses S/G, I presume the concept of a DMA buffer size doesn't even 

Timur Tabi
Linux Kernel Developer @ Freescale

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