Re: mapping externally allocated Scatter Gather DMA buffers

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On Tue, 9 Nov 2010, Manu Abraham wrote:

> testbox ~ # arecord -Dhw:2,0
> Recording WAVE 'stdin' : Unsigned 8 bit, Rate 8000 Hz, Mono

> Any idea, why saa7231_hw_params is not getting invoked ?

Your hw probably does not support directly 8-bit sample at 8000Hz, one 
channel. Use 'plughw:2,0' device instead 'hw:2,0' to let alsa-lib do all 
stream format conversions.

 					Jaroslav

-----
Jaroslav Kysela <perex@xxxxxxxx>
Linux Kernel Sound Maintainer
ALSA Project, Red Hat, Inc.

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