linux-kernel - Re: [PATCH v5 2/2] ASoC: qcom: add apq8016 sound card support

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Message-ID: <55772ED0.2060405@linaro.org>
Date:	Tue, 09 Jun 2015 19:22:08 +0100
From:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:	Mark Brown <broonie@...nel.org>
CC:	alsa-devel@...a-project.org, Rob Herring <robh+dt@...nel.org>,
	Patrick Lai <plai@...eaurora.org>,
	Banajit Goswami <bgoswami@...eaurora.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	kwestfie@...eaurora.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v5 2/2] ASoC: qcom: add apq8016 sound card support



On 09/06/15 19:04, Mark Brown wrote:
> On Tue, Jun 09, 2015 at 06:51:59PM +0100, Srinivas Kandagatla wrote:
>> On 09/06/15 18:07, Mark Brown wrote:
>
>>> Why not just do these one time at probe, we don't undo them when we shut
>>> the DAI down?
>
>> If I do that Am afraid that the driver would loose the flexibility of
>> selecting different MI2S from DT level. Hardcoding which MI2S can got to
>> external or internal codec is something that I wanted to avoid from the
>> start.
>
> I don't understand why we'd loose anything - we get init() callbacks on
> the DAIs when they're instantiated?
>
Yes, got it. At dai_link init() level we can do it without losing any 
flexibility.

My bad, I thought you initially suggested me to add this to platform 
probe() level.

>> I will add the shutdown code to reset the configuration.
>
> OK.
>
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