[alsa-devel] Effect of CONFIG_SND_PCM_OSS_PLUGINS

[Adrian McMenamin]

On 25/07/07, Clemens Ladisch <cladisch at fastmail.net> wrote:
> Adrian McMenamin wrote:
> > Unless CONFIG_SND_PCM_OSS_PLUGINS is set then with my driver the
> > userspace (and OSS) app mpg123 doesn't work properly - not outputting
> > any sound.
>
> This symbol enables (limited) automatic sample rate/format conversion.
>
> Apparently, your sound device does not support any of mpg123's supported
> sample formats.
>
> > Is this likely to be a problem with my driver or with the app?
>
> I would say that the problem is the missing CONFIG_SND_PCM_OSS_PLUGINS.
> ;-)
>
> Well, your driver does support S16_LE, doesn't it?
>
>
I think so

.formats =
	    (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |
	     SNDRV_PCM_FMTBIT_IMA_ADPCM),