mipi_dsi_generic_read
ret = mipi_dsi_generic_read(dsi, ®16, 2, val, val_size);
ret = mipi_dsi_generic_read(dsi, &addr, sizeof(addr), val, sizeof(*val));
EXPORT_SYMBOL(mipi_dsi_generic_read);
err = mipi_dsi_generic_read(sharp->link1, &offset, sizeof(offset),
ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params,