[alsa-devel] Bad rever-select of CONFIG_SND_HDA_I915

[Vinod Koul]

On Fri, Mar 18, 2016 at 08:34:49AM +0100, Takashi Iwai wrote:
> Hi,
> 
> while build testing, I noticed the following warning:
>   warning: (SND_SOC_INTEL_SKYLAKE) selects SND_HDA_I915 which has unmet direct dependencies (SOUND && !M68K && !UML && SND && DRM_I915 && SND_HDA_CORE)

Thanks Takashi for reporting,

> And it's indeed broken: you can't select CONFIG_SND_HDA_I915 from the
> driver side.  This is the condition depending on DRM i915 driver.

But who selects CONFIG_SND_HDA_I915. It is a bool symbol, so someone needs
to select it. I didn't see anyone select it, either from Gfx side or HDA
side?

> 
> Fixing this doesn't look too trivial, though.  Since
> SND_SOC_INTEL_SKYLAKE is the item to be selected, it can't have
> "depends on".  So, the top-level configs that select
> SND_SOC_INTEL_SKYLAKE need to have "depends on DRM_I915" lines, or
> modify the driver to be built without i915 binding.

can you please share the config where you saw this...

-- 
~Vinod