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Message-ID: <92971bbf-b890-4e41-8ef1-9213e15d81b2@linux.intel.com>
Date:   Tue, 17 Oct 2023 17:53:44 -0500
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Subject: Re: [PATCH v9 30/34] ASoC: qcom: qdsp6: Add SND kcontrol for fetching
 offload status
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To:     Wesley Cheng <quic_wcheng@quicinc.com>, mathias.nyman@intel.com,
        gregkh@linuxfoundation.org, lgirdwood@gmail.com,
        broonie@kernel.org, perex@perex.cz, tiwai@suse.com,
        agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org,
        robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        conor+dt@kernel.org, srinivas.kandagatla@linaro.org,
        bgoswami@quicinc.com, Thinh.Nguyen@synopsys.com
Cc:     linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
        alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org,
        devicetree@vger.kernel.org
References: <20231017200109.11407-1-quic_wcheng@quicinc.com>
 <20231017200109.11407-31-quic_wcheng@quicinc.com>
From:   Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
In-Reply-To: <20231017200109.11407-31-quic_wcheng@quicinc.com>
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On 10/17/23 15:01, Wesley Cheng wrote:
> Add a kcontrol to the platform sound card to fetch the current offload
> status.  This can allow for userspace to ensure/check which USB SND
> resources are actually busy versus having to attempt opening the USB SND
> devices, which will result in an error if offloading is active.

I think I mentioned this a while back, but why not add the status in the
USB card itself? That's a generic component that all userspace agent
could query. Having a QCOM-specific control doesn't make the life of
userspace easier IMHO.