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[77.56.155.30]) by smtp.gmail.com with ESMTPSA id b66sm2010175wmh.12.2020.04.24.01.52.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 24 Apr 2020 01:52:37 -0700 (PDT) Subject: Re: atomisp kernel driver(s) To: Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org References: <20200418172549.7cca07a7@coco.lan> <20200418172654.74a1eeea@coco.lan> <1d529105-3b7d-38d0-b7a2-d385b2221ff7@gmail.com> <20200420013109.65babb54@coco.lan> <20200420224750.28c0181d@coco.lan> <20200422211344.2ec3d93e@coco.lan> From: Patrik Gfeller Message-ID: <23b3a078-2a9a-5f50-a35e-9f40f5aa8a6e@gmail.com> Date: Fri, 24 Apr 2020 10:52:36 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200422211344.2ec3d93e@coco.lan> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On 22.04.20 21:13, Mauro Carvalho Chehab wrote: > Em Wed, 22 Apr 2020 19:56:56 +0200 > Patrik Gfeller escreveu: > >> On 20.04.20 22:47, Mauro Carvalho Chehab wrote: >>> Em Mon, 20 Apr 2020 20:27:25 +0200 >>> Patrik Gfeller escreveu: >>> >>>> Me again ... sorry to ask such a basic question, but I can't get your >>>> modified source code. I get the following error: >>>> >>>> > git clone https://git.linuxtv.org/mchehab/experimental.git/ >>>> Cloning into 'experimental'... >>>> warning: adding alternate object store: >>>> https://git.linuxtv.org/git/linux.git/ >>>> warning: adding alternate object store: >>>> https://git.linuxtv.org/git/media_tree.git/ >>>> warning: adding alternate object store: >>>> https://git.linuxtv.org/git/linux.git/ >>>> error: Unable to find fc8670d1f72b746ff3a5fe441f1fca4c4dba0e6f under >>>> https://git.linuxtv.org/mchehab/experimental.git >>>> Cannot obtain needed object fc8670d1f72b746ff3a5fe441f1fca4c4dba0e6f >>>> while processing commit 6d80bfc14608f4bb5514b79721d30b486f50c987. >>>> error: fetch failed. >>>> >>>> Do I use the wrong command? >>> Better to use git:// url: >>> >>> git clone git://git.linuxtv.org/mchehab/experimental.git/ >> I was able to download and compile the code. I installed the kernel and >> tried to boot; unfortunately it hangs with the message "Loading initial >> ramdisk ..." - after I start the old kernel I check kern.log and syslog >> - but I do not see entries from the failed boot attempt. I'll read into >> the topic and try around. This will take some time ... so there will be >> a dealy, but it's not that I do not care or lacking  interest, I just >> first have to sort this out. > Well, try to build it first without the atomisp driver. This would allow > you to see what's going on. I was able to solve the problem I had with the ramdisk - I had to strip the kernel modules, probably the ramdisk file was too big. It is possible to boot with the atomisp driver, but I can not see the camera yet - but maybe that's due to missing firmware, as there were warnings when I installed the kernel that firmware files are missing. The following I found in dmesg: [    9.331011] kernel: atomisp_ov2680: module is from the staging directory, the quality is unknown, you have been warned. [    9.402456] kernel: ov2680 i2c-OVTI2680:00: gmin: initializing atomisp module subdev data.PMIC ID 1 [    9.421113] kernel: acpi OVTI2680:00: Failed to find gmin variable OVTI2680:00_CamClk [    9.433478] kernel: acpi OVTI2680:00: Failed to find gmin variable OVTI2680:00_ClkSrc [    9.443146] kernel: acpi OVTI2680:00: Failed to find gmin variable OVTI2680:00_CsiPort [    9.456677] kernel: acpi OVTI2680:00: Failed to find gmin variable OVTI2680:00_CsiLanes [    9.479411] kernel: ov2680 i2c-OVTI2680:00: supply V1P8SX not found, using dummy regulator [    ... [    9.510282] kernel: ov2680 i2c-OVTI2680:00: supply V2P8SX not found, using dummy regulator [    ... [    9.532284] kernel: ov2680 i2c-OVTI2680:00: supply V1P2A not found, using dummy regulator [    9.536200] kernel: ov2680 i2c-OVTI2680:00: supply VPROG4B not found, using dummy regulator [   ...' [    9.592064] kernel: ov2680 i2c-OVTI2680:00: unable to set PMC rate 1 [    9.623628] kernel: ov2680 i2c-OVTI2680:00: camera pdata: port: 0 lanes: 1 order: 00000002 [    9.628258] kernel: ov2680 i2c-OVTI2680:00: sensor_revision id = 0x2680, rev= 0 [    9.636582] kernel: ov2680 i2c-OVTI2680:00: register atomisp i2c module type 1 The first signs of live :-) ... I'll try to find the firmware files to see if it makes a difference. > Thanks, > Mauro kind regards, Patrik