linux-kernel - Re: [PATCH v2 8/8] ASoC: qcom: apq8096: add kcontrols to set PCM rate

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Message-ID: <20200210182609.GA14166@sirena.org.uk>
Date:   Mon, 10 Feb 2020 18:26:09 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Adam Serbinski <adam@...binski.com>
Cc:     Srini Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Patrick Lai <plai@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 8/8] ASoC: qcom: apq8096: add kcontrols to set PCM rate

On Mon, Feb 10, 2020 at 10:45:16AM -0500, Adam Serbinski wrote:
> On 2020-02-10 08:36, Mark Brown wrote:

> > This would seem like an excellent thing to put in the driver for the
> > baseband or bluetooth.

> The value that must be set to this control is not available to the bluetooth
> driver. It originates from the bluetooth stack in userspace, typically
> either blueZ or fluoride, as a result of a negotiation between the two
> devices participating in the HFP call.

To repeat my comment on another patch in the series there should still
be some representation of the DAI for this device in the kernel.

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