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[139.181.7.34]) by smtp.gmail.com with ESMTPSA id f8sm2620702wmb.37.2019.10.16.10.31.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 16 Oct 2019 10:31:27 -0700 (PDT) Subject: Re: [PATCH] media: imx.rst: Update the imx6-sabreauto ADV7180 instructions To: Fabio Estevam Cc: Tim Harvey , Hans Verkuil , Mauro Carvalho Chehab , Philipp Zabel , linux-media References: <20191010154417.9437-1-festevam@gmail.com> <0f7a7910-8652-7a95-1f04-e25278ec05aa@gmail.com> <593b540b-d5f9-63ba-becc-0902dc5d7900@gmail.com> <2acc57d6-da43-866b-fc01-e5e59af413ac@gmail.com> From: Steve Longerbeam Message-ID: <8b2f0c05-8e4f-72d9-d37f-c41936fcfd07@gmail.com> Date: Wed, 16 Oct 2019 10:31:23 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On 10/16/19 6:04 AM, Fabio Estevam wrote: > Hi Steve, > > On Tue, Oct 15, 2019 at 10:18 PM Steve Longerbeam wrote: > >> Here's a quick example that uses the end-of-frame method to measure fi's >> (all other FIM controls are left at the default values): >> >> v4l2-ctl -d0 --set-ctrl=fim_enable=1 >> # disable input capture method >> v4l2-ctl -d0 --set-ctrl=fim_input_capture_edge=0 >> v4l2-ctl -d0 --stream-mmap > What needs to be done for 'fim_enable' to be available? > > I am using a mx6dl-sabreauto, and this is what I get: > > # v4l2-ctl -d2 --set-ctrl=fim_enable=1 > unknown control 'fim_enable' If /dev/video2 is the "ipu1_ic_prpvf capture" node, it's because FIM is not yet available on those nodes. The FIM is only available on the "ipuX_csiY capture" nodes. It's on my plate to fix that. But also remember that the FIM controls are inherited from the ipuX_csiY subdevices when the link from ipuX_csiY is enabled, so while the controls are always available on ipuX_csiY, they become available on "ipuX_csiY capture" nodes when the link is enabled. Steve