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OMAPDSS: add omap_dss_find_output_by_node()

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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@ti.com>
This commit is contained in:
Tomi Valkeinen 2013-03-13 14:22:30 +02:00
parent 805cc2d19c
commit 12ca755ba1
2 changed files with 14 additions and 0 deletions
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13
drivers/video/omap2/dss/output.c
View File

@ -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)

1
include/video/omapdss.h
View File

@ -781,6 +781,7 @@ 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);