[alsa-devel] SALSA-Lib: snd_pcm_hw_params fails with MMAP

Takashi Iwai tiwai at suse.de
Mon Jul 2 15:25:05 CEST 2007

At Sat, 30 Jun 2007 16:23:38 -0400,
J. Scott Merritt wrote:
> Dear List,
> Using SALSA-Lib 0.0.5 ...
> After calling snd_pcm_hw_params_set_access with an access mode of
> SND_PCM_ACCESS_MMAP_INTERLEAVED, the subsequent call to snd_pcm_hw_params
> returns a snd_strerror error code of "Invalid argument".
> This same program operates properly in the target environment (ARM PXA270)
> when compiled and linked with the standard ALSA LIB 1.0.13.

Don't use mmap mode.  It seems not supported well.


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