Re: Getting a driver to support alsa natively

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On 09/01/2008, Clemens Ladisch <cladisch@xxxxxxxxxxxxxx> wrote:
> Adrian McMenamin wrote:
> > Lee Revell wrote:
> > > You also need to find some way to confirm or deny that alsa-lib is
> > > trying to open the right files.
> >
> > Given this is nfs-root, the only realistic way is to hack the sources
> > and find out what the path is.
>
> Done: <http://hg.alsa-project.org/alsa-lib/rev/5593d06d30ee>.
>
OK, well that does throw up any (new) errors. So, whatever my issue
is, I think I can assume it is not and never has been missing config
files or a bad path them.

Just as before:

$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: AICA [AICA], device 0: AICA PCM [AICA PCM]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
$
$ aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
$
$ aplay -D hw:0,0 /aine-email.wav
Playing WAVE '/aine-email.wav' : Unsigned 8 bit, Rate 8000 Hz, Mono
aplay: set_params:895: Access type not available
$
$ aplay -D plughw:0,0 /aine-email.wav
Playing WAVE '/aine-email.wav' : Unsigned 8 bit, Rate 8000 Hz, Mono
ALSA lib pcm_plug.c:773:(snd_pcm_plug_hw_refine_schange) Unable to
find an usable access for 'plughw:0,0'
aplay: set_params:895: Access type not available

(Incidentally I also know that aplay is opening the driver)

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