linux-kernel - Re: [PATCH v2 6/6] arm64: dts: qcom: apq8016-sbc: Enable camss for non-mezzanine cases

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Date:   Thu, 10 Aug 2023 15:32:22 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>, agross@...nel.org,
        andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        loic.poulain@...aro.org, rfoss@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 6/6] arm64: dts: qcom: apq8016-sbc: Enable camss for
 non-mezzanine cases

On 9.08.2023 22:23, Bryan O'Donoghue wrote:
> When we have no camera mezzanine attached it is still possible to run the
> test-pattern generator of the CSID block.
> 
> As an example:
> 
> media-ctl --reset
> 
> yavta --no-query -w '0x009f0903 1' /dev/v4l-subdev2
> yavta --list /dev/v4l-subdev2
> 
> media-ctl -d /dev/media0 -V '"msm_csid0":0[fmt:UYVY8_1X16/1920x1080 field:none]'
> media-ctl -l '"msm_csid0":1->"msm_ispif0":0[1]'
> media-ctl -d /dev/media0 -V '"msm_ispif0":0[fmt:UYVY8_1X16/1920x1080 field:none]'
> media-ctl -l '"msm_ispif0":1->"msm_vfe0_rdi0":0[1]'
> media-ctl -d /dev/media0 -V '"msm_vfe0_rdi0":0[fmt:UYVY8_1X16/1920x1080]'
> media-ctl -d /dev/media0 -p
> 
> yavta -B capture-mplane --capture=5 -n 5 -I -f UYVY -s 1920x1080 --file=TPG-UYVU-1920x1080-000-#.bin /dev/video0
> 
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> ---
Hm.. perhaps the ports could be just defined in soc dtsi?

Konrad