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[34.88.65.237]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-55cef3f3476sm1789268e87.107.2025.08.18.13.15.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Aug 2025 13:15:39 -0700 (PDT) From: Ricardo Ribalda Date: Mon, 18 Aug 2025 20:15:37 +0000 Subject: [PATCH 2/4] media: uvcvideo: Move MSXU_CONTROL_METADATA definition to header Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250818-uvc-iq-switch-v1-2-f7ea5e740ddd@chromium.org> References: <20250818-uvc-iq-switch-v1-0-f7ea5e740ddd@chromium.org> In-Reply-To: <20250818-uvc-iq-switch-v1-0-f7ea5e740ddd@chromium.org> To: Laurent Pinchart , Hans de Goede , Mauro Carvalho Chehab , Hans Verkuil , Greg Kroah-Hartman Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Ricardo Ribalda X-Mailer: b4 0.14.2 From: Laurent Pinchart Move the MSXU_CONTROL_METADATA control definitino to the include/linux/usb/uvc.h header, alongside the corresponding XU GUID. Add a UVC_ prefix to avoid namespace clashes. While at it, add the definition for the other controls for that extension unit, as defined in https://learn.microsoft.com/en-us/windows-hardware/drivers/stream/uvc-exten= sions-1-5#222-extension-unit-controls. Signed-off-by: Laurent Pinchart Reviewed-by: Ricardo Ribalda Reviewed-by: Hans de Goede Link: https://lore.kernel.org/r/20250715185254.6592-4-laurent.pinchart@idea= sonboard.com Signed-off-by: Hans de Goede --- drivers/media/usb/uvc/uvc_metadata.c | 11 +++++------ include/linux/usb/uvc.h | 17 +++++++++++++++++ 2 files changed, 22 insertions(+), 6 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_metadata.c b/drivers/media/usb/uvc/u= vc_metadata.c index b0960f0553cfcb30b0036d2ad8877fafa225c6a4..2d4998bd098f3ac7f51421535cc= aa9e20a71f8e9 100644 --- a/drivers/media/usb/uvc/uvc_metadata.c +++ b/drivers/media/usb/uvc/uvc_metadata.c @@ -177,7 +177,6 @@ static struct uvc_entity *uvc_meta_find_msxu(struct uvc= _device *dev) return NULL; } =20 -#define MSXU_CONTROL_METADATA 0x9 static int uvc_meta_detect_msxu(struct uvc_device *dev) { u32 *data __free(kfree) =3D NULL; @@ -201,7 +200,7 @@ static int uvc_meta_detect_msxu(struct uvc_device *dev) * returns metadata. */ ret =3D uvc_query_ctrl(dev, UVC_GET_CUR, entity->id, dev->intfnum, - MSXU_CONTROL_METADATA, data, sizeof(*data)); + UVC_MSXU_CONTROL_METADATA, data, sizeof(*data)); if (ret) return 0; =20 @@ -211,23 +210,23 @@ static int uvc_meta_detect_msxu(struct uvc_device *de= v) } =20 /* - * Set the value of MSXU_CONTROL_METADATA to the value reported by + * Set the value of UVC_MSXU_CONTROL_METADATA to the value reported by * GET_MAX to enable production of MSXU metadata. The GET_MAX request * reports the maximum size of the metadata, if its value is 0 then MSXU * metadata is not supported. For more information, see * https://learn.microsoft.com/en-us/windows-hardware/drivers/stream/uvc-= extensions-1-5#2229-metadata-control */ ret =3D uvc_query_ctrl(dev, UVC_GET_MAX, entity->id, dev->intfnum, - MSXU_CONTROL_METADATA, data, sizeof(*data)); + UVC_MSXU_CONTROL_METADATA, data, sizeof(*data)); if (ret || !*data) return 0; =20 /* - * If we can set MSXU_CONTROL_METADATA, the device will report + * If we can set UVC_MSXU_CONTROL_METADATA, the device will report * metadata. */ ret =3D uvc_query_ctrl(dev, UVC_SET_CUR, entity->id, dev->intfnum, - MSXU_CONTROL_METADATA, data, sizeof(*data)); + UVC_MSXU_CONTROL_METADATA, data, sizeof(*data)); if (!ret) dev->quirks |=3D UVC_QUIRK_MSXU_META; =20 diff --git a/include/linux/usb/uvc.h b/include/linux/usb/uvc.h index ee19e9f915b8370c333c426dc1ee4202c7b75c5b..12a57e1d34674a3a264ed7f88be= d43926661fcd4 100644 --- a/include/linux/usb/uvc.h +++ b/include/linux/usb/uvc.h @@ -33,6 +33,23 @@ {0xdc, 0x95, 0x3f, 0x0f, 0x32, 0x26, 0x4e, 0x4c, \ 0x92, 0xc9, 0xa0, 0x47, 0x82, 0xf4, 0x3b, 0xc8} =20 +/* https://learn.microsoft.com/en-us/windows-hardware/drivers/stream/uvc-e= xtensions-1-5#222-extension-unit-controls */ +#define UVC_MSXU_CONTROL_FOCUS 0x01 +#define UVC_MSXU_CONTROL_EXPOSURE 0x02 +#define UVC_MSXU_CONTROL_EVCOMPENSATION 0x03 +#define UVC_MSXU_CONTROL_WHITEBALANCE 0x04 +#define UVC_MSXU_CONTROL_FACE_AUTHENTICATION 0x06 +#define UVC_MSXU_CONTROL_CAMERA_EXTRINSICS 0x07 +#define UVC_MSXU_CONTROL_CAMERA_INTRINSICS 0x08 +#define UVC_MSXU_CONTROL_METADATA 0x09 +#define UVC_MSXU_CONTROL_IR_TORCH 0x0a +#define UVC_MSXU_CONTROL_DIGITALWINDOW 0x0b +#define UVC_MSXU_CONTROL_DIGITALWINDOW_CONFIG 0x0c +#define UVC_MSXU_CONTROL_VIDEO_HDR 0x0d +#define UVC_MSXU_CONTROL_FRAMERATE_THROTTLE 0x0e +#define UVC_MSXU_CONTROL_FIELDOFVIEW2_CONFIG 0x0f +#define UVC_MSXU_CONTROL_FIELDOFVIEW2 0x10 + #define UVC_GUID_FORMAT_MJPEG \ { 'M', 'J', 'P', 'G', 0x00, 0x00, 0x10, 0x00, \ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} --=20 2.51.0.rc1.167.g924127e9c0-goog