mixer_reg_write
mixer_reg_write(ctx, MXR_VIDEO_CFG, val);
mixer_reg_write(ctx, MXR_RESOLUTION,
mixer_reg_write(ctx, MXR_CM_COEFF_Y,
mixer_reg_write(ctx, MXR_CM_COEFF_CB,
mixer_reg_write(ctx, MXR_CM_COEFF_CR,
mixer_reg_write(ctx, MXR_GRAPHIC_SPAN(win),
mixer_reg_write(ctx, MXR_GRAPHIC_WH(win), val);
mixer_reg_write(ctx, MXR_GRAPHIC_DXY(win), val);
mixer_reg_write(ctx, MXR_GRAPHIC_BASE(win), dma_addr);
mixer_reg_write(ctx, MXR_LAYER_CFG, 0);
mixer_reg_write(ctx, MXR_BG_COLOR0, MXR_YCBCR_VAL(0, 128, 128));
mixer_reg_write(ctx, MXR_BG_COLOR1, MXR_YCBCR_VAL(0, 128, 128));
mixer_reg_write(ctx, MXR_BG_COLOR2, MXR_YCBCR_VAL(0, 128, 128));
mixer_reg_write(ctx, MXR_GRAPHIC_SXY(0), 0);
mixer_reg_write(ctx, MXR_GRAPHIC_SXY(1), 0);
mixer_reg_write(ctx, MXR_INT_STATUS, val);