MLX90632_RAM_2
#define MLX90632_RAM_DSP5_EXTENDED_OBJECT_2 MLX90632_RAM_2(17)
#define MLX90632_RAM_DSP5_EXTENDED_OBJECT_4 MLX90632_RAM_2(18)
#define MLX90632_RAM_DSP5_EXTENDED_OBJECT_6 MLX90632_RAM_2(19)
ret = regmap_read(regmap, MLX90632_RAM_2(channel), &read_tmp);
ret = regmap_read(regmap, MLX90632_RAM_2(channel_old), &read_tmp);