patch to include virtual sound card support

README.md

@@ -332,6 +332,8 @@ end
   "cirrus", "vmvga", "xen", "vbox", or "qxl".
 * `video_vram` - Used by some graphics card types to vary the amount of RAM
   dedicated to video.  Defaults to 9216.
+* `sound_type` - [Set the virtual sound card](https://libvirt.org/formatdomain.html#elementsSound)
+  Defaults to "ich6".
 * `machine_type` - Sets machine type. Equivalent to qemu `-machine`. Use
   `qemu-system-x86_64 -machine help` to get a list of supported machines.
 * `machine_arch` - Sets machine architecture. This helps libvirt to determine

lib/vagrant-libvirt/action/create_domain.rb

@@ -61,6 +61,7 @@ module VagrantPlugins
                                "passwd='#{config.graphics_passwd}'"
                               end
           @video_type = config.video_type
+          @sound_type = config.sound_type
           @video_vram = config.video_vram
           @keymap = config.keymap
           @kvm_hidden = config.kvm_hidden
@@ -192,6 +193,7 @@ module VagrantPlugins
           env[:ui].info(" -- Graphics Password: #{@graphics_passwd.empty? ? 'Not defined' : 'Defined'}")
           env[:ui].info(" -- Video Type:        #{@video_type}")
           env[:ui].info(" -- Video VRAM:        #{@video_vram}")
+          env[:ui].info(" -- Sound Type:	#{@sound_type}")
           env[:ui].info(" -- Keymap:            #{@keymap}")
           env[:ui].info(" -- TPM Path:          #{@tpm_path}")
 

lib/vagrant-libvirt/action/start_domain.rb

@@ -221,6 +221,12 @@ module VagrantPlugins
                 end
               end
 
+              # Sound device
+              if config.sound_type
+                sound = REXML::XPath.first(xml_descr,'/domain/devices/sound/model')
+              end
+                
+
               # dtb
               if config.dtb
                 dtb = REXML::XPath.first(xml_descr, '/domain/os/dtb')

lib/vagrant-libvirt/config.rb

@@ -184,6 +184,7 @@ module VagrantPlugins
         @graphics_passwd   = UNSET_VALUE
         @video_type        = UNSET_VALUE
         @video_vram        = UNSET_VALUE
+        @sound_type        = UNSET_VALUE
         @keymap            = UNSET_VALUE
         @kvm_hidden        = UNSET_VALUE
 
@@ -585,6 +586,7 @@ module VagrantPlugins
         @graphics_ip = '127.0.0.1' if @graphics_ip == UNSET_VALUE
         @video_type = 'cirrus' if @video_type == UNSET_VALUE
         @video_vram = 9216 if @video_vram == UNSET_VALUE
+        @sound_type = 'ich6' if @sound_type == UNSET_VALUE
         @keymap = 'en-us' if @keymap == UNSET_VALUE
         @kvm_hidden = false if @kvm_hidden == UNSET_VALUE
         @tpm_model = 'tpm-tis' if @tpm_model == UNSET_VALUE

lib/vagrant-libvirt/templates/domain.xml.erb

@@ -131,7 +131,12 @@
 <% @inputs.each do |input| %>
     <input type='<%= input[:type] %>' bus='<%= input[:bus] %>'/>
 <% end %>
-
+    <% if @sound_type != 'none' %>
+      <%# Sound device-%>
+      <sound model='<%= @sound_type %>'>
+      </sound>
+      <%# End Sound%>
+    <% end %>
     <% if @graphics_type != 'none' %>
       <%# Video device -%>
       <graphics type='<%= @graphics_type %>' port='<%= @graphics_port %>' autoport='<%= @graphics_autoport %>' listen='<%= @graphics_ip %>' keymap='<%= @keymap %>' <%= @graphics_passwd%> />