diff options
Diffstat (limited to 'drivers/video/omap2/dss/output.c')
| -rw-r--r-- | drivers/video/omap2/dss/output.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/video/omap2/dss/output.c b/drivers/video/omap2/dss/output.c index 9ad7d2175a7b..3f5c0a758b32 100644 --- a/drivers/video/omap2/dss/output.c +++ b/drivers/video/omap2/dss/output.c @@ -92,15 +92,18 @@ err: } EXPORT_SYMBOL(omapdss_output_unset_device); -void dss_register_output(struct omap_dss_device *out) +int omapdss_register_output(struct omap_dss_device *out) { list_add_tail(&out->list, &output_list); + return 0; } +EXPORT_SYMBOL(omapdss_register_output); -void dss_unregister_output(struct omap_dss_device *out) +void omapdss_unregister_output(struct omap_dss_device *out) { list_del(&out->list); } +EXPORT_SYMBOL(omapdss_unregister_output); struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id) { @@ -143,7 +146,13 @@ EXPORT_SYMBOL(omap_dss_find_output_by_node); struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev) { - return omap_dss_get_device(dssdev->output); + while (dssdev->output) + dssdev = dssdev->output; + + if (dssdev->id != 0) + return omap_dss_get_device(dssdev); + + return NULL; } EXPORT_SYMBOL(omapdss_find_output_from_display); |