linux-kernel - Re: [PATCH 5/6] ASoC: samsung: Extend Snow driver to support max98089

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Message-ID: <54E623C9.7070001@suse.de>
Date:	Thu, 19 Feb 2015 18:56:25 +0100
From:	Andreas Färber <afaerber@...e.de>
To:	Doug Anderson <dianders@...omium.org>
CC:	Mark Brown <broonie@...nel.org>,
	Sangbeom Kim <sbkim73@...sung.com>,
	alsa-devel@...a-project.org,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Vincent Palatin <vpalatin@...omium.org>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Kukjin Kim <kgene@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Olof Johansson <olof@...om.net>
Subject: Re: [PATCH 5/6] ASoC: samsung: Extend Snow driver to support max98089

Am 19.02.2015 um 18:44 schrieb Doug Anderson:
> On Thu, Feb 19, 2015 at 1:44 AM, Mark Brown <broonie@...nel.org> wrote:
>> On Wed, Feb 18, 2015 at 07:25:58PM +0100, Andreas Färber wrote:
>>
>>>  static const struct of_device_id snow_of_match[] = {
>>> +     { .compatible = "google,snow-audio-max98089", },
>>>       { .compatible = "google,snow-audio-max98090", },
>>>       { .compatible = "google,snow-audio-max98091", },
>>>       { .compatible = "google,snow-audio-max98095", },
>>
>> Since we completely ignore the CODEC in the property might it not be
>> better to just add a plain old snow-audio compatible and bind to that,
>> that way we don't need these driver updates?  Just the "snow" bit should
>> be enough to know it's one of this class of machines.
> 
> I think what you're suggesting is that here we should add a new
> compatible string "google,snow-audio" instead of adding
> "google,snow-audio-max98089" here.  Then the sound node in the spring
> DTS would look like:
> 
>   compatible = "google,snow-audio-max98089", "google,snow-audio";

If we want to be specific just in case, was it an active decision not to
use "google,peach-pi[t]-audio-max98..."?

Again, either way works for me.

Andreas

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