[alsa-devel] [PATCH 0/2] ALSA: pcm: probe tracepoint events only when parameter is changed

[Takashi Iwai]

On Sun, 11 Jun 2017 16:56:11 +0200,
Takashi Sakamoto wrote:
> 
> Hi,
> 
> This patchset includes a part of my former RFC:
> [alsa-devel] [PATCH RFC 00/21] ALSA: pcm: add tracepoints for PCM params operation
> http://mailman.alsa-project.org/pipermail/alsa-devel/2017-May/120548.html
> 
> The purpose of this patchset is to limit added events of tracepoint
> for PCM parameters only when corresponding parameter is actually
> changed. Developers get the events without events for unchanged
> parameters.
> 
> Additionally, this simplifies error handling of PCM parameters processing.
> This is intrusive somehow for userspace applications but just for error
> path.
> 
> Takashi Sakamoto (2):
>   ALSA: pcm: return error immediately for parameters handling
>   ALSA: pcm: probe events when parameters are changed actually

Applied both patches now.  Thanks.


Takashi