[{"id":39744,"web_url":"https://patchwork.libcamera.org/comment/39744/","msgid":"<20260717135747.GU1778116@killaraus.ideasonboard.com>","date":"2026-07-17T13:57:47","subject":"Re: [PATCH v1 1/2] libcamera: camera_sensor: Add Sony IMX355 sensor\n\tproperties and helper","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"content":"Hi Naush,\n\nThank you for the patch.\n\nOn Fri, Jul 17, 2026 at 02:42:11PM +0100, Naushir Patuck wrote:\n> Add the camera sensor properties and camera helper entry for the Sony\n> IMX355 sensor.\n> \n> Signed-off-by: Naushir Patuck \n> ---\n> src/ipa/libipa/camera_sensor_helper.cpp | 12 ++++++++++++\n> .../sensor/camera_sensor_properties.cpp | 16 ++++++++++++++++\n> 2 files changed, 28 insertions(+)\n> \n> diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp\n> index 54a88c55bc2d..ce52c9e875ac 100644\n> --- a/src/ipa/libipa/camera_sensor_helper.cpp\n> +++ b/src/ipa/libipa/camera_sensor_helper.cpp\n> @@ -617,6 +617,18 @@ public:\n> };\n> REGISTER_CAMERA_SENSOR_HELPER(\"imx335\", CameraSensorHelperImx335)\n> \n> +class CameraSensorHelperImx355 : public CameraSensorHelper\n> +{\n> +public:\n> +\tCameraSensorHelperImx355()\n> +\t{\n> +\t\t/* From datasheet: 64 at 10bits. */\n> +\t\tblackLevel_ = 4096;\n> +\t\tgain_ = AnalogueGainLinear{ 0, 1024, -1, 1024 };\n\nThe imx335 driver includes a comment that states\n\n /*\n * The sensor has an analog gain and a digital gain, both controlled\n * through a single gain value, expressed in 0.3dB increments. Values\n * from 0.0dB (0) to 30.0dB (100) apply analog gain only, higher values\n * up to 72.0dB (240) add further digital gain. Limit the range to\n * analog gain only, support for digital gain can be added separately\n * if needed.\n */\n\nLinear gain doesn't seem to be the right model.\n\n> +\t}\n> +};\n> +REGISTER_CAMERA_SENSOR_HELPER(\"imx355\", CameraSensorHelperImx355)\n> +\n> class CameraSensorHelperImx415 : public CameraSensorHelper\n> {\n> public:\n> diff --git a/src/libcamera/sensor/camera_sensor_properties.cpp b/src/libcamera/sensor/camera_sensor_properties.cpp\n> index 7685524ad189..49853f8080dc 100644\n> --- a/src/libcamera/sensor/camera_sensor_properties.cpp\n> +++ b/src/libcamera/sensor/camera_sensor_properties.cpp\n> @@ -261,6 +261,22 @@ const CameraSensorProperties *CameraSensorProperties::get(const std::string &sen\n> \t\t\t.testPatternModes = {},\n> \t\t\t.sensorDelays = { },\n> \t\t} },\n> +\t\t{ \"imx355\", {\n> +\t\t\t.unitCellSize = { 1120, 1120 },\n> +\t\t\t.testPatternModes = {\n> +\t\t\t\t{ controls::draft::TestPatternModeOff, 0 },\n> +\t\t\t\t{ controls::draft::TestPatternModeColorBars, 1 },\n> +\t\t\t\t{ controls::draft::TestPatternModeSolidColor, 2 },\n> +\t\t\t\t{ controls::draft::TestPatternModeColorBarsFadeToGray, 3 },\n> +\t\t\t\t{ controls::draft::TestPatternModePn9, 4 },\n> +\t\t\t},\n> +\t\t\t.sensorDelays = {\n> +\t\t\t\t.exposureDelay = 2,\n> +\t\t\t\t.gainDelay = 2,\n> +\t\t\t\t.vblankDelay = 2,\n> +\t\t\t\t.hblankDelay = 2\n> +\t\t\t},\n> +\t\t} },\n> \t\t{ \"imx415\", {\n> \t\t\t.unitCellSize = { 1450, 1450 },\n> \t\t\t.testPatternModes = {},","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id DA8C5C3308\n\tfor ;\n\tFri, 17 Jul 2026 13:57:50 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 3394A67E2E;\n\tFri, 17 Jul 2026 15:57:50 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 0CCDC66177\n\tfor ;\n\tFri, 17 Jul 2026 15:57:49 +0200 (CEST)","from killaraus.ideasonboard.com\n\t(2001-14ba-70f3-e800--a06.rev.dnainternet.fi\n\t[IPv6:2001:14ba:70f3:e800::a06])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 7296A267;\n\tFri, 17 Jul 2026 15:56:52 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"N7aphj0R\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1784296612;\n\tbh=UncfmQc6Pte0A2srdTsMwc77/t6S+CId5MB0Ld6lTIM=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=N7aphj0RoLSkF9ss9ZbCtI7wbkkyI6MAYB2szDgg9Oe2HGNiDaB8pe8LDqI27ZxKL\n\tY2jAWWcAOx33Eb+s+JIHTS1WWdEI3ao2cJsFkqN2MKzsYf59vZh7bqYKG9OgwftaTG\n\tg8HLxm/l+vgAdY6IsILSRehYXzRaVvYHKMo1lMU8=","Date":"Fri, 17 Jul 2026 16:57:47 +0300","From":"Laurent Pinchart ","To":"Naushir Patuck ","Cc":"libcamera-devel@lists.libcamera.org","Subject":"Re: [PATCH v1 1/2] libcamera: camera_sensor: Add Sony IMX355 sensor\n\tproperties and helper","Message-ID":"<20260717135747.GU1778116@killaraus.ideasonboard.com>","References":"<20260717134634.2578897-1-naush@raspberrypi.com>\n\t<20260717134634.2578897-2-naush@raspberrypi.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","In-Reply-To":"<20260717134634.2578897-2-naush@raspberrypi.com>","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":39745,"web_url":"https://patchwork.libcamera.org/comment/39745/","msgid":"","date":"2026-07-17T13:59:44","subject":"Re: [PATCH v1 1/2] libcamera: camera_sensor: Add Sony IMX355 sensor\n\tproperties and helper","submitter":{"id":34,"url":"https://patchwork.libcamera.org/api/people/34/","name":"Naushir Patuck","email":"naush@raspberrypi.com"},"content":"On Fri, 17 Jul 2026 at 14:57, Laurent Pinchart <\nlaurent.pinchart@ideasonboard.com> wrote:\n\n> Hi Naush,\n>\n> Thank you for the patch.\n>\n> On Fri, Jul 17, 2026 at 02:42:11PM +0100, Naushir Patuck wrote:\n> > Add the camera sensor properties and camera helper entry for the Sony\n> > IMX355 sensor.\n> >\n> > Signed-off-by: Naushir Patuck \n> > ---\n> > src/ipa/libipa/camera_sensor_helper.cpp | 12 ++++++++++++\n> > .../sensor/camera_sensor_properties.cpp | 16 ++++++++++++++++\n> > 2 files changed, 28 insertions(+)\n> >\n> > diff --git a/src/ipa/libipa/camera_sensor_helper.cpp\n> b/src/ipa/libipa/camera_sensor_helper.cpp\n> > index 54a88c55bc2d..ce52c9e875ac 100644\n> > --- a/src/ipa/libipa/camera_sensor_helper.cpp\n> > +++ b/src/ipa/libipa/camera_sensor_helper.cpp\n> > @@ -617,6 +617,18 @@ public:\n> > };\n> > REGISTER_CAMERA_SENSOR_HELPER(\"imx335\", CameraSensorHelperImx335)\n> >\n> > +class CameraSensorHelperImx355 : public CameraSensorHelper\n> > +{\n> > +public:\n> > + CameraSensorHelperImx355()\n> > + {\n> > + /* From datasheet: 64 at 10bits. */\n> > + blackLevel_ = 4096;\n> > + gain_ = AnalogueGainLinear{ 0, 1024, -1, 1024 };\n>\n> The imx335 driver includes a comment that states\n>\n> /*\n> * The sensor has an analog gain and a digital gain, both\n> controlled\n> * through a single gain value, expressed in 0.3dB increments.\n> Values\n> * from 0.0dB (0) to 30.0dB (100) apply analog gain only, higher\n> values\n> * up to 72.0dB (240) add further digital gain. Limit the range to\n> * analog gain only, support for digital gain can be added\n> separately\n> * if needed.\n> */\n>\n> Linear gain doesn't seem to be the right model.\n>\n\nErr, let me check that. I've used the linear gain model in userland and\neverything works perfectly...\n\n\n>\n> > + }\n> > +};\n> > +REGISTER_CAMERA_SENSOR_HELPER(\"imx355\", CameraSensorHelperImx355)\n> > +\n> > class CameraSensorHelperImx415 : public CameraSensorHelper\n> > {\n> > public:\n> > diff --git a/src/libcamera/sensor/camera_sensor_properties.cpp\n> b/src/libcamera/sensor/camera_sensor_properties.cpp\n> > index 7685524ad189..49853f8080dc 100644\n> > --- a/src/libcamera/sensor/camera_sensor_properties.cpp\n> > +++ b/src/libcamera/sensor/camera_sensor_properties.cpp\n> > @@ -261,6 +261,22 @@ const CameraSensorProperties\n> *CameraSensorProperties::get(const std::string &sen\n> > .testPatternModes = {},\n> > .sensorDelays = { },\n> > } },\n> > + { \"imx355\", {\n> > + .unitCellSize = { 1120, 1120 },\n> > + .testPatternModes = {\n> > + { controls::draft::TestPatternModeOff, 0 },\n> > + {\n> controls::draft::TestPatternModeColorBars, 1 },\n> > + {\n> controls::draft::TestPatternModeSolidColor, 2 },\n> > + {\n> controls::draft::TestPatternModeColorBarsFadeToGray, 3 },\n> > + { controls::draft::TestPatternModePn9, 4 },\n> > + },\n> > + .sensorDelays = {\n> > + .exposureDelay = 2,\n> > + .gainDelay = 2,\n> > + .vblankDelay = 2,\n> > + .hblankDelay = 2\n> > + },\n> > + } },\n> > { \"imx415\", {\n> > .unitCellSize = { 1450, 1450 },\n> > .testPatternModes = {},\n>\n> --\n> Regards,\n>\n> Laurent Pinchart\n>","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 0B624C3308\n\tfor ;\n\tFri, 17 Jul 2026 14:00:27 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 421F767E32;\n\tFri, 17 Jul 2026 16:00:26 +0200 (CEST)","from mail-pl1-x631.google.com (mail-pl1-x631.google.com\n\t[IPv6:2607:f8b0:4864:20::631])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 7530F66177\n\tfor ;\n\tFri, 17 Jul 2026 16:00:24 +0200 (CEST)","by mail-pl1-x631.google.com with SMTP id\n\td9443c01a7336-2cc7a269ca1so16072775ad.3\n\tfor ;\n\tFri, 17 Jul 2026 07:00:24 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; 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boundary=\"00000000000046b2b90656cefa5d\"","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":39746,"web_url":"https://patchwork.libcamera.org/comment/39746/","msgid":"<20260717140029.GV1778116@killaraus.ideasonboard.com>","date":"2026-07-17T14:00:29","subject":"Re: [PATCH v1 1/2] libcamera: camera_sensor: Add Sony IMX355 sensor\n\tproperties and helper","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"content":"On Fri, Jul 17, 2026 at 04:57:48PM +0300, Laurent Pinchart wrote:\n> Hi Naush,\n> \n> Thank you for the patch.\n> \n> On Fri, Jul 17, 2026 at 02:42:11PM +0100, Naushir Patuck wrote:\n> > Add the camera sensor properties and camera helper entry for the Sony\n> > IMX355 sensor.\n> > \n> > Signed-off-by: Naushir Patuck \n> > ---\n> > src/ipa/libipa/camera_sensor_helper.cpp | 12 ++++++++++++\n> > .../sensor/camera_sensor_properties.cpp | 16 ++++++++++++++++\n> > 2 files changed, 28 insertions(+)\n> > \n> > diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp\n> > index 54a88c55bc2d..ce52c9e875ac 100644\n> > --- a/src/ipa/libipa/camera_sensor_helper.cpp\n> > +++ b/src/ipa/libipa/camera_sensor_helper.cpp\n> > @@ -617,6 +617,18 @@ public:\n> > };\n> > REGISTER_CAMERA_SENSOR_HELPER(\"imx335\", CameraSensorHelperImx335)\n> > \n> > +class CameraSensorHelperImx355 : public CameraSensorHelper\n> > +{\n> > +public:\n> > +\tCameraSensorHelperImx355()\n> > +\t{\n> > +\t\t/* From datasheet: 64 at 10bits. */\n> > +\t\tblackLevel_ = 4096;\n> > +\t\tgain_ = AnalogueGainLinear{ 0, 1024, -1, 1024 };\n> \n> The imx335 driver includes a comment that states\n> \n> /*\n> * The sensor has an analog gain and a digital gain, both controlled\n> * through a single gain value, expressed in 0.3dB increments. Values\n> * from 0.0dB (0) to 30.0dB (100) apply analog gain only, higher values\n> * up to 72.0dB (240) add further digital gain. Limit the range to\n> * analog gain only, support for digital gain can be added separately\n> * if needed.\n> */\n> \n> Linear gain doesn't seem to be the right model.\n\nAnd I obviously confused IMX335 with IMX355. Sorry for the noise.\n\nReviewed-by: Laurent Pinchart \n\n> > +\t}\n> > +};\n> > +REGISTER_CAMERA_SENSOR_HELPER(\"imx355\", CameraSensorHelperImx355)\n> > +\n> > class CameraSensorHelperImx415 : public CameraSensorHelper\n> > {\n> > public:\n> > diff --git a/src/libcamera/sensor/camera_sensor_properties.cpp b/src/libcamera/sensor/camera_sensor_properties.cpp\n> > index 7685524ad189..49853f8080dc 100644\n> > --- a/src/libcamera/sensor/camera_sensor_properties.cpp\n> > +++ b/src/libcamera/sensor/camera_sensor_properties.cpp\n> > @@ -261,6 +261,22 @@ const CameraSensorProperties *CameraSensorProperties::get(const std::string &sen\n> > \t\t\t.testPatternModes = {},\n> > \t\t\t.sensorDelays = { },\n> > \t\t} },\n> > +\t\t{ \"imx355\", {\n> > +\t\t\t.unitCellSize = { 1120, 1120 },\n> > +\t\t\t.testPatternModes = {\n> > +\t\t\t\t{ controls::draft::TestPatternModeOff, 0 },\n> > +\t\t\t\t{ controls::draft::TestPatternModeColorBars, 1 },\n> > +\t\t\t\t{ controls::draft::TestPatternModeSolidColor, 2 },\n> > +\t\t\t\t{ controls::draft::TestPatternModeColorBarsFadeToGray, 3 },\n> > +\t\t\t\t{ controls::draft::TestPatternModePn9, 4 },\n> > +\t\t\t},\n> > +\t\t\t.sensorDelays = {\n> > +\t\t\t\t.exposureDelay = 2,\n> > +\t\t\t\t.gainDelay = 2,\n> > +\t\t\t\t.vblankDelay = 2,\n> > +\t\t\t\t.hblankDelay = 2\n> > +\t\t\t},\n> > +\t\t} },\n> > \t\t{ \"imx415\", {\n> > \t\t\t.unitCellSize = { 1450, 1450 },\n> > \t\t\t.testPatternModes = {},","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 20C94C3308\n\tfor ;\n\tFri, 17 Jul 2026 14:00:33 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id CC25967E3A;\n\tFri, 17 Jul 2026 16:00:32 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 389C066177\n\tfor ;\n\tFri, 17 Jul 2026 16:00:31 +0200 (CEST)","from killaraus.ideasonboard.com\n\t(2001-14ba-70f3-e800--a06.rev.dnainternet.fi\n\t[IPv6:2001:14ba:70f3:e800::a06])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 7E482267;\n\tFri, 17 Jul 2026 15:59:34 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"s4ERi8Ht\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1784296774;\n\tbh=NbA9c6DGs5C1lVYmkz/EddM3kHnUepdd8YNbCwkIPfg=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=s4ERi8Ht44h/m+s935PsDgPki+PBD3HKOEYYHNsat4VgOxCCESW9tsA3SSX/eIHSr\n\ttvkHKjb0NxfaiGgp8maYKZILphHT6OKPF+ZqrIYG+zKInN0RqLTgWwvEnsjml3iGMT\n\tdyseqRn+h0iNGrYDr13Avj2lBTF1VbPmkevVNJCc=","Date":"Fri, 17 Jul 2026 17:00:29 +0300","From":"Laurent Pinchart ","To":"Naushir Patuck ","Cc":"libcamera-devel@lists.libcamera.org","Subject":"Re: [PATCH v1 1/2] libcamera: camera_sensor: Add Sony IMX355 sensor\n\tproperties and helper","Message-ID":"<20260717140029.GV1778116@killaraus.ideasonboard.com>","References":"<20260717134634.2578897-1-naush@raspberrypi.com>\n\t<20260717134634.2578897-2-naush@raspberrypi.com>\n\t<20260717135747.GU1778116@killaraus.ideasonboard.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","In-Reply-To":"<20260717135747.GU1778116@killaraus.ideasonboard.com>","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":39748,"web_url":"https://patchwork.libcamera.org/comment/39748/","msgid":"<3576a3b9-7496-4761-9796-e3c5ab20fd09@collabora.com>","date":"2026-07-17T15:30:38","subject":"Re: [PATCH v1 1/2] libcamera: camera_sensor: Add Sony IMX355 sensor\n\tproperties and helper","submitter":{"id":140,"url":"https://patchwork.libcamera.org/api/people/140/","name":"Robert Mader","email":"robert.mader@collabora.com"},"content":"On 17.07.26 15:42, Naushir Patuck wrote:\n> Add the camera sensor properties and camera helper entry for the Sony\n> IMX355 sensor.\n>\n> Signed-off-by: Naushir Patuck \n\nTested this with the simple pipeline / softISP on a Pixel3a - seems to \nwork great!\n\nTested-by: Robert Mader \n\n> ---\n> src/ipa/libipa/camera_sensor_helper.cpp | 12 ++++++++++++\n> .../sensor/camera_sensor_properties.cpp | 16 ++++++++++++++++\n> 2 files changed, 28 insertions(+)\n>\n> diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp\n> index 54a88c55bc2d..ce52c9e875ac 100644\n> --- a/src/ipa/libipa/camera_sensor_helper.cpp\n> +++ b/src/ipa/libipa/camera_sensor_helper.cpp\n> @@ -617,6 +617,18 @@ public:\n> };\n> REGISTER_CAMERA_SENSOR_HELPER(\"imx335\", CameraSensorHelperImx335)\n> \n> +class CameraSensorHelperImx355 : public CameraSensorHelper\n> +{\n> +public:\n> +\tCameraSensorHelperImx355()\n> +\t{\n> +\t\t/* From datasheet: 64 at 10bits. */\n> +\t\tblackLevel_ = 4096;\n> +\t\tgain_ = AnalogueGainLinear{ 0, 1024, -1, 1024 };\n> +\t}\n> +};\n> +REGISTER_CAMERA_SENSOR_HELPER(\"imx355\", CameraSensorHelperImx355)\n> +\n> class CameraSensorHelperImx415 : public CameraSensorHelper\n> {\n> public:\n> diff --git a/src/libcamera/sensor/camera_sensor_properties.cpp b/src/libcamera/sensor/camera_sensor_properties.cpp\n> index 7685524ad189..49853f8080dc 100644\n> --- a/src/libcamera/sensor/camera_sensor_properties.cpp\n> +++ b/src/libcamera/sensor/camera_sensor_properties.cpp\n> @@ -261,6 +261,22 @@ const CameraSensorProperties *CameraSensorProperties::get(const std::string &sen\n> \t\t\t.testPatternModes = {},\n> \t\t\t.sensorDelays = { },\n> \t\t} },\n> +\t\t{ \"imx355\", {\n> +\t\t\t.unitCellSize = { 1120, 1120 },\n> +\t\t\t.testPatternModes = {\n> +\t\t\t\t{ controls::draft::TestPatternModeOff, 0 },\n> +\t\t\t\t{ controls::draft::TestPatternModeColorBars, 1 },\n> +\t\t\t\t{ controls::draft::TestPatternModeSolidColor, 2 },\n> +\t\t\t\t{ controls::draft::TestPatternModeColorBarsFadeToGray, 3 },\n> +\t\t\t\t{ controls::draft::TestPatternModePn9, 4 },\n> +\t\t\t},\n> +\t\t\t.sensorDelays = {\n> +\t\t\t\t.exposureDelay = 2,\n> +\t\t\t\t.gainDelay = 2,\n> +\t\t\t\t.vblankDelay = 2,\n> +\t\t\t\t.hblankDelay = 2\n> +\t\t\t},\n> +\t\t} },\n> \t\t{ \"imx415\", {\n> \t\t\t.unitCellSize = { 1450, 1450 },\n> \t\t\t.testPatternModes = {},","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 3B42EC3303\n\tfor ;\n\tFri, 17 Jul 2026 15:30:50 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 9287067E45;\n\tFri, 17 Jul 2026 17:30:49 +0200 (CEST)","from sender4-op-o11.zoho.com (sender4-op-o11.zoho.com\n\t[136.143.188.11])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 89F8367E25\n\tfor ;\n\tFri, 17 Jul 2026 17:30:47 +0200 (CEST)","by mx.zohomail.com with SMTPS id 1784302240784973.1365665827201;\n\tFri, 17 Jul 2026 08:30:40 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; 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charset=UTF-8; format=flowed","Content-Transfer-Encoding":"7bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":39786,"web_url":"https://patchwork.libcamera.org/comment/39786/","msgid":"","date":"2026-07-22T08:51:33","subject":"Re: [PATCH v1 1/2] libcamera: camera_sensor: Add Sony IMX355 sensor\n\tproperties and helper","submitter":{"id":42,"url":"https://patchwork.libcamera.org/api/people/42/","name":"David Plowman","email":"david.plowman@raspberrypi.com"},"content":"Hi Naush\n\nOn Fri, 17 Jul 2026 at 16:30, Robert Mader wrote:\n>\n> On 17.07.26 15:42, Naushir Patuck wrote:\n> > Add the camera sensor properties and camera helper entry for the Sony\n> > IMX355 sensor.\n> >\n> > Signed-off-by: Naushir Patuck \n\nReviewed-by: David Plowman \n\nThanks!\n\nDavid\n\n>\n> Tested this with the simple pipeline / softISP on a Pixel3a - seems to\n> work great!\n>\n> Tested-by: Robert Mader \n>\n> > ---\n> > src/ipa/libipa/camera_sensor_helper.cpp | 12 ++++++++++++\n> > .../sensor/camera_sensor_properties.cpp | 16 ++++++++++++++++\n> > 2 files changed, 28 insertions(+)\n> >\n> > diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp\n> > index 54a88c55bc2d..ce52c9e875ac 100644\n> > --- a/src/ipa/libipa/camera_sensor_helper.cpp\n> > +++ b/src/ipa/libipa/camera_sensor_helper.cpp\n> > @@ -617,6 +617,18 @@ public:\n> > };\n> > REGISTER_CAMERA_SENSOR_HELPER(\"imx335\", CameraSensorHelperImx335)\n> >\n> > +class CameraSensorHelperImx355 : public CameraSensorHelper\n> > +{\n> > +public:\n> > + CameraSensorHelperImx355()\n> > + {\n> > + /* From datasheet: 64 at 10bits. */\n> > + blackLevel_ = 4096;\n> > + gain_ = AnalogueGainLinear{ 0, 1024, -1, 1024 };\n> > + }\n> > +};\n> > +REGISTER_CAMERA_SENSOR_HELPER(\"imx355\", CameraSensorHelperImx355)\n> > +\n> > class CameraSensorHelperImx415 : public CameraSensorHelper\n> > {\n> > public:\n> > diff --git a/src/libcamera/sensor/camera_sensor_properties.cpp b/src/libcamera/sensor/camera_sensor_properties.cpp\n> > index 7685524ad189..49853f8080dc 100644\n> > --- a/src/libcamera/sensor/camera_sensor_properties.cpp\n> > +++ b/src/libcamera/sensor/camera_sensor_properties.cpp\n> > @@ -261,6 +261,22 @@ const CameraSensorProperties *CameraSensorProperties::get(const std::string &sen\n> > .testPatternModes = {},\n> > .sensorDelays = { },\n> > } },\n> > + { \"imx355\", {\n> > + .unitCellSize = { 1120, 1120 },\n> > + .testPatternModes = {\n> > + { controls::draft::TestPatternModeOff, 0 },\n> > + { controls::draft::TestPatternModeColorBars, 1 },\n> > + { controls::draft::TestPatternModeSolidColor, 2 },\n> > + { controls::draft::TestPatternModeColorBarsFadeToGray, 3 },\n> > + { controls::draft::TestPatternModePn9, 4 },\n> > + },\n> > + .sensorDelays = {\n> > + .exposureDelay = 2,\n> > + .gainDelay = 2,\n> > + .vblankDelay = 2,\n> > + .hblankDelay = 2\n> > + },\n> > + } },\n> > { \"imx415\", {\n> > .unitCellSize = { 1450, 1450 },\n> > .testPatternModes = {},\n>\n> --\n> Robert Mader\n> Consultant Software Developer\n>\n> Collabora Ltd.\n> Platinum Building, St John's Innovation Park, Cambridge CB4 0DS, UK\n> Registered in England & Wales, no. 5513718\n>","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 0AC57BDE4C\n\tfor ;\n\tWed, 22 Jul 2026 08:51:48 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id D360467E89;\n\tWed, 22 Jul 2026 10:51:46 +0200 (CEST)","from mail-ed1-x531.google.com (mail-ed1-x531.google.com\n\t[IPv6:2a00:1450:4864:20::531])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 1A3DD61451\n\tfor ;\n\tWed, 22 Jul 2026 10:51:45 +0200 (CEST)","by mail-ed1-x531.google.com with SMTP id\n\t4fb4d7f45d1cf-69a50b818c8so19370916a12.2\n\tfor ;\n\tWed, 22 Jul 2026 01:51:45 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; 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