GASKET_BASE
regmap_write(isi->gasket, GASKET_BASE(port) + GASKET_HSIZE, fmt->width);
regmap_write(isi->gasket, GASKET_BASE(port) + GASKET_VSIZE, fmt->height);
regmap_write(isi->gasket, GASKET_BASE(port) + GASKET_CTRL, val);
regmap_write(isi->gasket, GASKET_BASE(port) + GASKET_CTRL, 0);