[PATCH v4 10/12] [media] videodev2.h Add HSV encoding

[Ricardo Ribalda Delgado]

Some hardware maps the Hue between 0 and 255 instead of 0-179. Support
this format with a new field hsv_enc.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.riba...@gmail.com>
---
 include/uapi/linux/videodev2.h | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index c7fb760386cf..49edc462ca8e 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -330,6 +330,15 @@ enum v4l2_ycbcr_encoding {
        V4L2_YCBCR_ENC_SMPTE240M      = 8,
 };
 
+enum v4l2_hsv_encoding {
+
+       /* Hue mapped to 0 - 179 */
+       V4L2_HSV_ENC_180                = 16,
+
+       /* Hue mapped to 0-255 */
+       V4L2_HSV_ENC_256                = 17,
+};
+
 /*
  * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
  * This depends on the colorspace.
@@ -455,7 +464,12 @@ struct v4l2_pix_format {
        __u32                   colorspace;     /* enum v4l2_colorspace */
        __u32                   priv;           /* private data, depends on 
pixelformat */
        __u32                   flags;          /* format flags 
(V4L2_PIX_FMT_FLAG_*) */
-       __u32                   ycbcr_enc;      /* enum v4l2_ycbcr_encoding */
+       union {
+               /* enum v4l2_ycbcr_encoding */
+               __u32                   ycbcr_enc;
+               /* enum v4l2_hsv_encoding */
+               __u32                   hsv_enc;
+       };
        __u32                   quantization;   /* enum v4l2_quantization */
        __u32                   xfer_func;      /* enum v4l2_xfer_func */
 };
@@ -1988,7 +2002,10 @@ struct v4l2_pix_format_mplane {
        struct v4l2_plane_pix_format    plane_fmt[VIDEO_MAX_PLANES];
        __u8                            num_planes;
        __u8                            flags;
-       __u8                            ycbcr_enc;
+        union {
+               __u8                            ycbcr_enc;
+               __u8                            hsv_enc;
+       };
        __u8                            quantization;
        __u8                            xfer_func;
        __u8                            reserved[7];
-- 
2.8.1

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