linux-kernel - Re: [PATCH 2/2] ASoC: intel: fix soundwire dependencies

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Date:   Wed, 13 Jan 2021 11:29:23 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Daniel Baluta <daniel.baluta@....com>,
        Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Arnd Bergmann <arnd@...db.de>,
        ALSA Development Mailing List <alsa-devel@...a-project.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        sound-open-firmware@...a-project.org
Subject: Re: [PATCH 2/2] ASoC: intel: fix soundwire dependencies

On Tue, Jan 12, 2021 at 11:36:15PM +0100, Arnd Bergmann wrote:

> I was indeed wondering whether the intel-dsp-config.c is just
> another layering violation: this is another generic piece
> of code that seems to contain too much knowledge about
> specific hardware implementations.

The purpose of that code is to try to figure out which of the multiple
sets of drivers and firmwares available for Intel systems it's best to
run on any given system by default and choose between them at runtime
(or allow that choice to be overridden by users) so it's all about
knowing about specific hardware implementations.

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