On 19/12/2022 14:43, Daniel Scally wrote:
The color matching descriptors defined in the UVC 1.5 Specification
contain 3 fields with discrete numeric values representing particular
settings. Enumerate those values so that later code setting them can
be more readable.
Signed-off-by: Daniel Scally <dan.scally@xxxxxxxxxxxxxxxx>
---
Changes in v2:
- New patch
include/uapi/linux/usb/video.h | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h
index 6e8e572c2980..08606a52e1e2 100644
--- a/include/uapi/linux/usb/video.h
+++ b/include/uapi/linux/usb/video.h
@@ -179,6 +179,36 @@
#define UVC_CONTROL_CAP_AUTOUPDATE (1 << 3)
#define UVC_CONTROL_CAP_ASYNCHRONOUS (1 << 4)
+/* ref Color Matching Descriptor Values */
_Immediately_ noticed that I forgot to replace the placeholder with the
actual reference to the document - sorry...I'll fix that in the v3
+enum uvc_color_primaries_values {
+ UVC_COLOR_PRIMARIES_UNSPECIFIED,
+ UVC_COLOR_PRIMARIES_BT_709_SRGB,
+ UVC_COLOR_PRIMARIES_BT_470_2_M,
+ UVC_COLOR_PRIMARIES_BT_470_2_B_G,
+ UVC_COLOR_PRIMARIES_SMPTE_170M,
+ UVC_COLOR_PRIMARIES_SMPTE_240M,
+};
+
+enum uvc_transfer_characteristics_values {
+ UVC_TRANSFER_CHARACTERISTICS_UNSPECIFIED,
+ UVC_TRANSFER_CHARACTERISTICS_BT_709,
+ UVC_TRANSFER_CHARACTERISTICS_BT_470_2_M,
+ UVC_TRANSFER_CHARACTERISTICS_BT_470_2_B_G,
+ UVC_TRANSFER_CHARACTERISTICS_SMPTE_170M,
+ UVC_TRANSFER_CHARACTERISTICS_SMPTE_240M,
+ UVC_TRANSFER_CHARACTERISTICS_LINEAR,
+ UVC_TRANSFER_CHARACTERISTICS_SRGB,
+};
+
+enum uvc_matrix_coefficients {
+ UVC_MATRIX_COEFFICIENTS_UNSPECIFIED,
+ UVC_MATRIX_COEFFICIENTS_BT_709,
+ UVC_MATRIX_COEFFICIENTS_FCC,
+ UVC_MATRIX_COEFFICIENTS_BT_470_2_B_G,
+ UVC_MATRIX_COEFFICIENTS_SMPTE_170M,
+ UVC_MATRIX_COEFFICIENTS_SMPTE_240M,
+};
+
/* ------------------------------------------------------------------------
* UVC structures
*/
