[alsa-devel] [PATCH - aplay 1/1] aplay - option to dump HW parameters

Pavel Hofman pavel.hofman at ivitera.com
Mon Mar 5 15:43:08 CET 2012

Dne 5.3.2012 15:23, Takashi Iwai napsal(a):
> At Fri,  2 Mar 2012 20:32:58 +0000,
> pavel.hofman at ivitera.com wrote:
>> From: Pavel Hofman <pavel.hofman at ivitera.com>
>> Dumping HW parameters of the current device with snd_pcm_hw_params_dump,
>> a new option --dump-hw-params added.
> Well, the purpose and the actual operation of this option is a bit
> unclear with such a short description.  Your patch adds the output of
> the pre-config state of the hw_params.  It makes sense since the
> post-config state is shown via -v option.  If this is the intended
> behavior, please write a bit more details in the man page.

Takashi, thanks for your reply. Could I call it hardware capabilities of
the device? Because that is what I think it is. E.g. I fixed that
ice1724 rate-lock incompletion with help of this dump and people have
been asking me about listing similar to ossinfo -v4.


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