Re: soundwire: user space test utilities

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On Tue, May 31, 2022 at 8:44 PM Pierre-Louis Bossart
<pierre-louis.bossart@xxxxxxxxxxxxxxx> wrote:
>
>
> > I am looking for any existing user space test utilities to test
> > SOUNDWIRE SUBSYSTEM in Linux kernel. Can someone please point me to
> > this.
>
> There are no specific userspace utilities to test the bus itself, you
> can use existing alsa-lib/alsa-utils applications to play/capture audio
> and check for events, i.e. aplay, arecord, speaker-test, amixer,
> alsamixer, evtest
alsa-lib/alsa-utils applications can be used for transmitting audio data.
How to transmit non-audio data over the Soundwire interface?

>
> The Intel manager driver provides a set of debugfs features to e.g.
> inject a parity error, bad command or test for signal integrity with the
> PRBS data generation, but that's low-level for hardware integration
> purposes.
>


-- 
Thanks,
Sekhar



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