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Thu, 02 Jul 2026 00:34:44 -0700 (PDT) Received: from [127.0.1.1] ([2401:4900:8901:272a:b5f0:4094:eeda:86b5]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-30f0bb84405sm8461440eec.17.2026.07.02.00.34.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jul 2026 00:34:44 -0700 (PDT) From: Ramshouriesh R Subject: [PATCH v3 0/2] media: Add Himax HM1092 mono NIR sensor driver Date: Thu, 02 Jul 2026 13:04:24 +0530 Message-Id: <20260702-hm1092-driver-v3-0-85faa7ff4fec@gmail.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/12NwQ6CMBAFf8X0bE13ixU8+R/GQ6FbqBEwLTYaw r9b4EI4TvJm3sgCeUeBXQ8j8xRdcH2XQB4PrGp0VxN3JjFDgUooyHnTgiiQG+8iea6VRa2NsSi AJeftybrv0rs/Vg6f8knVMEfmRePC0Pvfchhh3q3ti4BdOwIX3EBpciCUsjzf6la716nqWza3I 25t3NuY7MwWVqrCKJ3lW3uapj9Ett6S+gAAAA== X-Change-ID: 20260618-hm1092-driver-a6f2aaddf201 To: Mauro Carvalho Chehab , Sakari Ailus , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Hans Verkuil , Bryan O'Donoghue , Vladimir Zapolskiy , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Ramshouriesh R , Conor Dooley X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2741; i=rshouriesh@gmail.com; h=from:subject:message-id; bh=GuZJr6R3RQg8VP+qVT3c581P7ve8Wl09bRgKEwEKgxc=; b=owEBbQKS/ZANAwAKARWVil4RHAXeAcsmYgBqRhSOqJgZmly3kFAQapm34oPBjL23M51+E7F43 75Zs7sn7WmJAjMEAAEKAB0WIQS/0QuzNKVfvUNlNAkVlYpeERwF3gUCakYUjgAKCRAVlYpeERwF 3lfIEACDpHm7y4mfKErxOjdPOwyilb48kkGckjSR7w/y2tMChkOJwsdW/KpavWbbMPG5ie+5IYd bf9ABv643OzxIjuv1jWTehX/xeyDEwoEHM0LcATpiNsbVMoSgpJxP1pvbi9sMbq+XUMqIHQtOrF VLTjdWaClBu0Eucs2CxeawfvFILHp2pO8Z+zr3KrNh+8vgO/gcKXU0pD2U1ALLVgnjhdljzf1is EZOWyDwhdVmSzr+itUJM2Pkx0x0nHS7vvLfZLch+6o4BWwcnyHp+XqzT7GDNI9MLqHyf1o5ULmV WdMeDwJMtw9y5w0fxw/0sWPWK3cyfWf7hw4WCdlRSh7rqLRev8/BqIZ2mCCOXLrFc4Qv6Z9H7xQ mS2KpmxDzAthUx4fE+N6dNsnUt2gvvT/9m2Vx4VBpg3EaI6wLLI2oY6E2acu47zb+edeC+Vfw1Z VuYIdOnZdyZFEt2WANNXNOOP7M4geG0a2JaeVx5Fhpyo5F9TZ1ToCWXk9s5MgZa+XJbL789zoBi CBVtn7xa4W+lVqmJZTLx+dJ9GWyR31w5sLXAxbB3GgEu9dARdg19QXDV3ugDD8uKZRBJLY0d0bk /ZPQLS5W63UV6IgeW8uQD+qC6barL5vxUdF0DcaJjbKnO1KAQidkU0GYt62Z/WD8TG+c4U7yJHF wlQ3fgNw56M/5iw== X-Developer-Key: i=rshouriesh@gmail.com; a=openpgp; fpr=BFD10BB334A55FBD4365340915958A5E111C05DE This adds a V4L2 subdev driver and DT binding for the Himax HM1092, a 1 megapixel monochrome near-infrared image sensor. On laptops it sits behind the IR camera used for face unlock. It speaks a single MIPI CSI-2 data lane and outputs 10-bit RAW at 560x360. The driver exposes that one native mode, a test pattern control and the standard fwnode properties (orientation, rotation). It has been tested on real hardware (an ASUS Zenbook A14): the sensor probes, streams, and the on-chip test pattern comes through the full CSI-2 pipeline. The sensor driver and its binding are SoC-neutral, so they are sent on their own through the media tree. The board-level device tree and PHY work that wires this camera up on the ASUS Zenbook A14 will be sent as its own series. Signed-off-by: Ramshouriesh R --- Changes in v3: - dt-bindings: add the Reviewed-by tag from Conor Dooley. - hm1092: initialize RAW colorimetry fields in the pad format helper so userspace values cannot leak into subdevice state. - hm1092: return -ENXIO when the required firmware graph endpoint is absent instead of deferring probe indefinitely. - Link to v2: https://patch.msgid.link/20260702-hm1092-driver-v2-0-4f9f369d6a48@gmail.com Changes in v2: - hm1092: use pm_ptr() instead of pm_sleep_ptr() for the dev_pm_ops pointer. The ops come from DEFINE_RUNTIME_DEV_PM_OPS(), so gating them on CONFIG_PM_SLEEP dropped runtime PM on a CONFIG_PM=y, PM_SLEEP=n build. - hm1092: free the control handler on the error paths in hm1092_init_controls(); the fwnode-parse and ctrl_hdlr->error returns leaked the handler. - Link to v1: https://patch.msgid.link/20260701-hm1092-driver-v1-0-d1bd81e233b5@gmail.com To: Ramshouriesh R To: Mauro Carvalho Chehab To: Rob Herring To: Krzysztof Kozlowski To: Conor Dooley Cc: linux-media@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- Ramshouriesh R (2): media: dt-bindings: Add Himax HM1092 NIR sensor media: i2c: hm1092: add Himax HM1092 mono NIR sensor driver .../bindings/media/i2c/himax,hm1092.yaml | 107 +++ MAINTAINERS | 7 + drivers/media/i2c/Kconfig | 11 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/hm1092.c | 794 +++++++++++++++++++++ 5 files changed, 920 insertions(+) --- base-commit: be5c93fa674f0fc3c8f359c2143abce6bbb422e6 change-id: 20260618-hm1092-driver-a6f2aaddf201 Best regards, -- Ramshouriesh R