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Song, Hongyan authored
The maximum globale report size has changed from 32->...->96->128 in the past years. With the development usage of HID, the report_size max value 128 cannot satisfy all requirements. There are applications need to expose intrinsic metadata to camera stabilizing applications such as 3DFE application. 3DFE intrinsic is designed to express environmental information about sensor that may dynamically change while the sensor is running (such data include noise spectral density, bias standard deviation) A sensor data field is SENSOR_VALUE_PAIR that consists of a PROPERTYKEY and PROPVARIANT pair. It need to report a unique PROPERTYKEY for each data field. Take “Noise Spectral Density” as an example, it report count will be defined as below: "Size of Property key GUID(16 Byte) + property key index(4 Byte) + size of Noise Spectral Density value(4 Byte)" In this case, the data report max is totally 192(24Byte), which is larger than 128, while max size 128 blocked it as illegal length. So increase the report size to satisfy it and more demands in the future. Signed-off-by: Song Hongyan <hongyan.song@intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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