[alsa-devel] [PATCH 3/7] ALSA: add shell for Intel HDMI LPE audio driver

[Mark Brown]

On Thu, Dec 15, 2016 at 12:14:30PM +0100, Takashi Iwai wrote:

> The interaction between i915 and audio is simple, yes, it just exposes
> a few things, mmio ptr, irq, etc.  But still I don't understand why
> multiple layers of indirect accesses are needed *inside* lpe audio
> driver itself.  For example, suspend/resume action is cascaded to yet
> another ops.

> I would understand if this "shell" provides a few thin accessors to
> the raw i915 registers.  But another layering over a single driver
> implementation makes little sense in regard of abstraction.  (If there
> were multiple class inherits, it's a different story, of course.)

We saw the same thing with the DSP code as well...
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