[mutter] output: Add name getter

[verdre <jonasd src gnome org>]

commit 9bf6faf6392528c60b35cac2ca9ff84f2af5cb9a
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Apr 30 17:58:17 2020 +0200

    output: Add name getter
    
    This will return the name of the connector, e.g. DP-2.
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1237

 src/backends/meta-output.c | 6 ++++++
 src/backends/meta-output.h | 2 ++
 2 files changed, 8 insertions(+)
---
diff --git a/src/backends/meta-output.c b/src/backends/meta-output.c
index 6a1e7c803c..5c13c35036 100644
--- a/src/backends/meta-output.c
+++ b/src/backends/meta-output.c
@@ -35,6 +35,12 @@ meta_output_get_gpu (MetaOutput *output)
   return output->gpu;
 }
 
+const char *
+meta_output_get_name (MetaOutput *output)
+{
+  return output->name;
+}
+
 void
 meta_output_assign_crtc (MetaOutput *output,
                          MetaCrtc   *crtc)
diff --git a/src/backends/meta-output.h b/src/backends/meta-output.h
index 1c62fc1d43..24a10cf044 100644
--- a/src/backends/meta-output.h
+++ b/src/backends/meta-output.h
@@ -122,6 +122,8 @@ META_EXPORT_TEST G_DECLARE_FINAL_TYPE (MetaOutput, meta_output, META, OUTPUT, GO
 META_EXPORT_TEST
 MetaGpu * meta_output_get_gpu (MetaOutput *output);
 
+const char * meta_output_get_name (MetaOutput *output);
+
 META_EXPORT_TEST
 void meta_output_assign_crtc (MetaOutput *output,
                               MetaCrtc   *crtc);