diff options
Diffstat (limited to 'drivers/video/fbdev/omap2/dss/output.c')
| -rw-r--r-- | drivers/video/fbdev/omap2/dss/output.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/video/fbdev/omap2/dss/output.c b/drivers/video/fbdev/omap2/dss/output.c index 2ab3afa615e8..16072159bd24 100644 --- a/drivers/video/fbdev/omap2/dss/output.c +++ b/drivers/video/fbdev/omap2/dss/output.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/of.h> #include <video/omapdss.h> @@ -131,18 +132,30 @@ struct omap_dss_device *omap_dss_find_output(const char *name) } EXPORT_SYMBOL(omap_dss_find_output); -struct omap_dss_device *omap_dss_find_output_by_node(struct device_node *node) +struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port) { + struct device_node *src_node; struct omap_dss_device *out; + u32 reg; + + src_node = dss_of_port_get_parent_device(port); + if (!src_node) + return NULL; + + reg = dss_of_port_get_port_number(port); list_for_each_entry(out, &output_list, list) { - if (out->dev->of_node == node) + if (out->dev->of_node == src_node && out->port_num == reg) { + of_node_put(src_node); return omap_dss_get_device(out); + } } + of_node_put(src_node); + return NULL; } -EXPORT_SYMBOL(omap_dss_find_output_by_node); +EXPORT_SYMBOL(omap_dss_find_output_by_port_node); struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev) { |