linux-kernel - Re: [PATCH v21 11/39] ASoC: qcom: qdsp6: Add USB backend ASoC driver for Q6

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Message-ID: <84dc55a6-22d6-4d4f-8bce-62fa4e37702b@linux.intel.com>
Date: Tue, 7 May 2024 15:39:47 -0500
From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To: Wesley Cheng <quic_wcheng@...cinc.com>, srinivas.kandagatla@...aro.org,
 mathias.nyman@...el.com, perex@...ex.cz, conor+dt@...nel.org,
 corbet@....net, lgirdwood@...il.com, andersson@...nel.org,
 krzk+dt@...nel.org, gregkh@...uxfoundation.org, Thinh.Nguyen@...opsys.com,
 broonie@...nel.org, bgoswami@...cinc.com, tiwai@...e.com,
 bagasdotme@...il.com, robh@...nel.org, konrad.dybcio@...aro.org
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 linux-sound@...r.kernel.org, linux-usb@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, linux-doc@...r.kernel.org,
 alsa-devel@...a-project.org
Subject: Re: [PATCH v21 11/39] ASoC: qcom: qdsp6: Add USB backend ASoC driver
 for Q6


> +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?