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Message-ID: <84dc55a6-22d6-4d4f-8bce-62fa4e37702b@linux.intel.com>
Date: Tue, 7 May 2024 15:39:47 -0500
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Subject: Re: [PATCH v21 11/39] ASoC: qcom: qdsp6: Add USB backend ASoC driver
 for Q6
To: Wesley Cheng <quic_wcheng@quicinc.com>, srinivas.kandagatla@linaro.org,
 mathias.nyman@intel.com, perex@perex.cz, conor+dt@kernel.org,
 corbet@lwn.net, lgirdwood@gmail.com, andersson@kernel.org,
 krzk+dt@kernel.org, gregkh@linuxfoundation.org, Thinh.Nguyen@synopsys.com,
 broonie@kernel.org, bgoswami@quicinc.com, tiwai@suse.com,
 bagasdotme@gmail.com, robh@kernel.org, konrad.dybcio@linaro.org
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
 linux-sound@vger.kernel.org, linux-usb@vger.kernel.org,
 linux-arm-msm@vger.kernel.org, linux-doc@vger.kernel.org,
 alsa-devel@alsa-project.org
References: <20240507195116.9464-1-quic_wcheng@quicinc.com>
 <20240507195116.9464-12-quic_wcheng@quicinc.com>
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From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
In-Reply-To: <20240507195116.9464-12-quic_wcheng@quicinc.com>
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> +config SND_SOC_QDSP6_USB
> +    tristate "SoC ALSA USB offloading backing for QDSP6"
> +    depends on SND_SOC_USB
> +    help
> +      Adds support for USB offloading for QDSP6 ASoC
> +      based platform sound cards.  This will enable the
> +      Q6USB DPCM backend DAI link, which will interact
> +      with the SoC USB framework to initialize a session
> +      with active USB SND devices.

If this is set to 'n', don't you have a risk of the FE DAIs exposed in
patch 9 not being connected to anything?