sunxi_rgb2yuv_coef is a table of RGB-to-YUV conversion coefficients.
They are programmed into the hardware, and can be declared constant.
Reported-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
#include "sun4i_backend.h"
#include "sun4i_drv.h"
-static u32 sunxi_rgb2yuv_coef[12] = {
+static const u32 sunxi_rgb2yuv_coef[12] = {
0x00000107, 0x00000204, 0x00000064, 0x00000108,
0x00003f69, 0x00003ed6, 0x000001c1, 0x00000808,
0x000001c1, 0x00003e88, 0x00003fb8, 0x00000808