Philips webcam ubuntu7/18/2023 ![]() ![]() ![]() Previous driver versions (before 0.2.0) required another ioctl to be usedīeforehand (UVCIOC_CTRL_ADD) to pass XU control information to the UVC driver. The ioctl used to create these control mappings is called UVCIOC_CTRL_MAP. ![]() Triggers a read or write of the associated XU control. However, reading or writing of such a V4L2 controls the stock controls, such asīrightness, contrast, etc.). Such controls appear andįunction exactly like normal V4L2 controls (i.e. Ranges thereof to be mapped to new V4L2 controls. ![]() These allow for individual XU controls or byte The UVC driver provides an API for user space applications to define so-calledĬontrol mappings at runtime. ![]()
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