[alsa-devel] [PATCH v2 2/3] ASoC: SOF: acpi: add module param to disable pm_runtime

[Takashi Iwai]

On Thu, 13 Jun 2019 20:48:01 +0200,
Mark Brown wrote:
> 
> On Wed, Jun 12, 2019 at 11:47:25AM -0500, Pierre-Louis Bossart wrote:
> > Add debug option to disable pm_runtime. This is not intended for
> > production devices but is very useful for platform bringup.
> 
> I can't immediately find it right now but isn't there some generic way
> of doing this in the runtime PM framework?  If not it seems like it'd be
> a good thing to add, these can't be the only devices where it'd be
> useful.

Well, runtime PM can be fully controlled via sysfs, but the problem is
that the driver declares itself being runtime-enabled.
So, either we leave it default and let user-space enabling it (via
udev or other way), or introduce some condition in the driver side.


Takashi