linux-kernel - Re: [PATCH v2 1/2] dt-bindings: usb: Document WCD939x USB SubSystem Altmode/Analog Audio Switch

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Message-ID: <c40d691a-10ed-4678-b1f0-4b2f5f7f3557@linaro.org>
Date:   Wed, 13 Dec 2023 08:06:14 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Neil Armstrong <neil.armstrong@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: usb: Document WCD939x USB SubSystem
 Altmode/Analog Audio Switch

On 12/12/2023 09:54, Neil Armstrong wrote:
> Document the Qualcomm WCD9390/WCD9395 USB SubSystem Altmode/Analog Audio Switch
> which is a separate USB SubSystem for Altmode/Analog Audio Switch accessible
> over an I2C interface.
> 
> Since Audio Headphone and Microphone data path between the Codec and the USB-C Mux
> subsystems are external to the IC, it requires a second port to handle USB-C altmode
> & orientation switching for Audio Accessory Mode to the Codec SubSystem.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof