Logo Redirect to Root Site Collection

<SharePoint:SPLinkButton NavigateUrl=”//” CssClass=”ms-siteicon-a” runat=”server” id=”onetidProjectPropertyTitleGraphic” >
<SharePoint:SiteLogoImage CssClass=”ms-siteicon-img” name=”onetidHeadbnnr0″ id=”onetidHeadbnnr2″ LogoImageUrl=”/_layouts/15/images/siteIcon.png?rev=23″ runat=”server”/>
</SharePoint:SPLinkButton >