diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2016-05-02 14:55:38 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2017-04-03 12:36:40 +0300 |
| commit | 7c79e8d67fde332f1cda26c8a0845fa167815351 (patch) | |
| tree | 82e3b4cf308305f708e14ec87e9dbdd4d272fcfb /drivers/gpu/drm/omapdrm/dss/output.c | |
| parent | be2d68c69e5c5a54cd2179aa6971d42cc3a49375 (diff) | |
| download | lwn-7c79e8d67fde332f1cda26c8a0845fa167815351.tar.gz lwn-7c79e8d67fde332f1cda26c8a0845fa167815351.zip | |
drm/omap: dss: Functions to check components in the display/output list
The functions can be used to check a component (by it's of_node) if it is
part of the omapdss display or output list. If the component is found, it
means that the driver is loaded.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/output.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/output.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/output.c b/drivers/gpu/drm/omapdrm/dss/output.c index 2b999dc48621..655c5d73eac9 100644 --- a/drivers/gpu/drm/omapdrm/dss/output.c +++ b/drivers/gpu/drm/omapdrm/dss/output.c @@ -107,6 +107,19 @@ void omapdss_unregister_output(struct omap_dss_device *out) } EXPORT_SYMBOL(omapdss_unregister_output); +bool omapdss_component_is_output(struct device_node *node) +{ + struct omap_dss_device *out; + + list_for_each_entry(out, &output_list, list) { + if (out->dev->of_node == node) + return true; + } + + return false; +} +EXPORT_SYMBOL(omapdss_component_is_output); + struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id) { struct omap_dss_device *out; |