Add a support function to find a DSS output by given DT node. This is
used in later patches to link the panels to DSS outputs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/video/omap2/dss/output.c | 13 +++++++++++++
include/video/omapdss.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/drivers/video/omap2/dss/output.c b/drivers/video/omap2/dss/output.c
index 3274628..4d01001 100644
--- a/drivers/video/omap2/dss/output.c
+++ b/drivers/video/omap2/dss/output.c
@@ -128,6 +128,19 @@ struct omap_dss_output *omap_dss_find_output(const char *name)
}
EXPORT_SYMBOL(omap_dss_find_output);
+struct omap_dss_output *omap_dss_find_output_by_node(struct device_node *node)
+{
+ struct omap_dss_output *out;
+
+ list_for_each_entry(out, &output_list, list) {
+ if (out->pdev->dev.of_node == node)
+ return out;
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL(omap_dss_find_output_by_node);
+
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 aad47a2..7fe6144 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -780,6 +780,7 @@ 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);
+struct omap_dss_output *omap_dss_find_output_by_node(struct device_node *node);
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);
--
1.7.10.4
--
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