[alsa-devel] Playback open error: Inappropriate ioctl for device

John Simpson john at swajime.com
Mon Jul 19 19:16:40 CEST 2010

On 7/19/10, Clemens Ladisch <clemens at ladisch.de> wrote:
> John Simpson wrote:
>> [1|user at Nokia-N810-43-7|~/alsa-lib-1.0.23/test]cc -lasound control.c -o
>> control
> These test programs can be compiled with "make check".

Thanks!  I needed that :-D
Works good on my ubuntu system.

>> [1|user at Nokia-N810-43-7|~/alsa-lib-1.0.23/test]./control
>>   PCM next device error: Inappropriate ioctl for device
> On embedded devices, this usually happens when the library is not
> compiled with the same machine architecture options as the kernel,
> which makes some structures have a different size due to different
> sizes for 'long' or different alignment.

Somewhere in the mess, I bricked my n810.
I'm trying this time with
but I'm still having no success ( see inquiry at


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