OMAPDSS: add omap_dss_find_output()

Add a support function to find a DSS output by given name. This is used
in later patches to link the panels to DSS outputs.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

2 files changed, 14 insertions, 0 deletions

diff --git a/drivers/video/omap2/dss/output.c b/drivers/video/omap2/dss/output.c
index 5214df63e0a9..3274628e0ea1 100644
--- a/drivers/video/omap2/dss/output.c
+++ b/drivers/video/omap2/dss/output.c
@@ -115,6 +115,19 @@ struct omap_dss_output *omap_dss_get_output(enum omap_dss_output_id id)
 }
 EXPORT_SYMBOL(omap_dss_get_output);
 
+struct omap_dss_output *omap_dss_find_output(const char *name)
+{
+        struct omap_dss_output *out;
+
+        list_for_each_entry(out, &output_list, list) {
+                if (strcmp(out->name, name) == 0)
+                        return out;
+        }
+
+        return NULL;
+}
+EXPORT_SYMBOL(omap_dss_find_output);
+
 static const struct dss_mgr_ops *dss_mgr_ops;
 
 int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops)
diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index 6462f689a16d..0b4f718a63c8 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -780,6 +780,7 @@ int omap_dss_get_num_overlays(void);
 struct omap_overlay *omap_dss_get_overlay(int num);
 
 struct omap_dss_output *omap_dss_get_output(enum omap_dss_output_id id);
+struct omap_dss_output *omap_dss_find_output(const char *name);
 int omapdss_output_set_device(struct omap_dss_output *out,
                 struct omap_dss_device *dssdev);
 int omapdss_output_unset_device(struct omap_dss_output *out);