@@ -4,7 +4,6 @@
* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
*/
-#include <linux/backlight.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regulator/consumer.h>
@@ -20,7 +19,6 @@ struct osd101t2587_panel {
struct drm_panel base;
struct mipi_dsi_device *dsi;
- struct backlight_device *backlight;
struct regulator *supply;
bool prepared;
@@ -42,8 +40,6 @@ static int osd101t2587_panel_disable(struct drm_panel *panel)
if (!osd101t2587->enabled)
return 0;
- backlight_disable(osd101t2587->backlight);
-
ret = mipi_dsi_shutdown_peripheral(osd101t2587->dsi);
osd101t2587->enabled = false;
@@ -91,8 +87,6 @@ static int osd101t2587_panel_enable(struct drm_panel *panel)
if (ret)
return ret;
- backlight_enable(osd101t2587->backlight);
-
osd101t2587->enabled = true;
return ret;
@@ -158,18 +152,19 @@ MODULE_DEVICE_TABLE(of, osd101t2587_of_match);
static int osd101t2587_panel_add(struct osd101t2587_panel *osd101t2587)
{
struct device *dev = &osd101t2587->dsi->dev;
+ int ret;
osd101t2587->supply = devm_regulator_get(dev, "power");
if (IS_ERR(osd101t2587->supply))
return PTR_ERR(osd101t2587->supply);
- osd101t2587->backlight = devm_of_find_backlight(dev);
- if (IS_ERR(osd101t2587->backlight))
- return PTR_ERR(osd101t2587->backlight);
-
drm_panel_init(&osd101t2587->base, &osd101t2587->dsi->dev,
&osd101t2587_panel_funcs, DRM_MODE_CONNECTOR_DSI);
+ ret = drm_panel_of_backlight(&osd101t2587->base);
+ if (ret)
+ return ret;
+
return drm_panel_add(&osd101t2587->base);
}
@@ -215,12 +210,11 @@ static int osd101t2587_panel_remove(struct mipi_dsi_device *dsi)
struct osd101t2587_panel *osd101t2587 = mipi_dsi_get_drvdata(dsi);
int ret;
- ret = osd101t2587_panel_disable(&osd101t2587->base);
+ ret = drm_panel_disable(&osd101t2587->base);
if (ret < 0)
dev_warn(&dsi->dev, "failed to disable panel: %d\n", ret);
- osd101t2587_panel_unprepare(&osd101t2587->base);
-
+ drm_panel_unprepare(&osd101t2587->base);
drm_panel_remove(&osd101t2587->base);
ret = mipi_dsi_detach(dsi);
@@ -234,8 +228,8 @@ static void osd101t2587_panel_shutdown(struct mipi_dsi_device *dsi)
{
struct osd101t2587_panel *osd101t2587 = mipi_dsi_get_drvdata(dsi);
- osd101t2587_panel_disable(&osd101t2587->base);
- osd101t2587_panel_unprepare(&osd101t2587->base);
+ drm_panel_disable(&osd101t2587->base);
+ drm_panel_unprepare(&osd101t2587->base);
}
static struct mipi_dsi_driver osd101t2587_panel_driver = {
Use the backlight support in drm_panel to simplify the driver Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Sam Ravnborg <sam@ravnborg.org> --- .../drm/panel/panel-osd-osd101t2587-53ts.c | 24 +++++++------------ 1 file changed, 9 insertions(+), 15 deletions(-)