diff options
| -rw-r--r-- | drivers/video/omap2/dss/display.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c index 012ada38a29d..21080f9dae87 100644 --- a/drivers/video/omap2/dss/display.c +++ b/drivers/video/omap2/dss/display.c @@ -134,9 +134,24 @@ static int disp_num_counter; int omapdss_register_display(struct omap_dss_device *dssdev) { struct omap_dss_driver *drv = dssdev->driver; + int id; - snprintf(dssdev->alias, sizeof(dssdev->alias), - "display%d", disp_num_counter++); + /* + * Note: this presumes all the displays are either using DT or non-DT, + * which normally should be the case. This also presumes that all + * displays either have an DT alias, or none has. + */ + + if (dssdev->dev->of_node) { + id = of_alias_get_id(dssdev->dev->of_node, "display"); + + if (id < 0) + id = disp_num_counter++; + } else { + id = disp_num_counter++; + } + + snprintf(dssdev->alias, sizeof(dssdev->alias), "display%d", id); /* Use 'label' property for name, if it exists */ if (dssdev->dev->of_node) |