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[35.228.153.64]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-58527c6b014sm123872e87.43.2025.09.26.06.11.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Sep 2025 06:11:29 -0700 (PDT) From: Ricardo Ribalda Date: Fri, 26 Sep 2025 13:11:25 +0000 Subject: [PATCH v3 01/12] media: uvcvideo: Always set default_value Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250926-uvc-orientation-v3-1-6dc2fa5b4220@chromium.org> References: <20250926-uvc-orientation-v3-0-6dc2fa5b4220@chromium.org> In-Reply-To: <20250926-uvc-orientation-v3-0-6dc2fa5b4220@chromium.org> To: Hans de Goede , Laurent Pinchart , Mauro Carvalho Chehab , Sakari Ailus , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Bartosz Golaszewski , "Rafael J. Wysocki" , Len Brown , Robert Moore , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org, acpica-devel@lists.linux.dev, Ricardo Ribalda , stable@vger.kernel.org X-Mailer: b4 0.14.2 If the control does not support GET_DEF, the field default_value will be left uninitialized during queryctrl. Fixes: c0efd232929c ("V4L/DVB (8145a): USB Video Class driver") Cc: stable@vger.kernel.org Reviewed-by: Laurent Pinchart Reviewed-by: Hans de Goede Signed-off-by: Ricardo Ribalda --- drivers/media/usb/uvc/uvc_ctrl.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 2905505c240c060e5034ea12d33b59d5702f2e1f..a869257e9b7c07eaa7d725d107bd1cb57d3c7377 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1542,10 +1542,11 @@ static int __uvc_queryctrl_boundaries(struct uvc_video_chain *chain, return ret; } - if (ctrl->info.flags & UVC_CTRL_FLAG_GET_DEF) { + if (ctrl->info.flags & UVC_CTRL_FLAG_GET_DEF) v4l2_ctrl->default_value = uvc_mapping_get_s32(mapping, UVC_GET_DEF, uvc_ctrl_data(ctrl, UVC_CTRL_DATA_DEF)); - } + else + v4l2_ctrl->default_value = 0; switch (mapping->v4l2_type) { case V4L2_CTRL_TYPE_MENU: -- 2.51.0.536.g15c5d4f767-goog