[PATCH v1 07/22] drm/panel: jdi-lt070me05000: Backlight update

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Update backlight to use macro for initialization and the
backlight_get_brightness() operation to simply the update operation.

Moved init of backlight device so it comes after drm_panel_init().
This is the order that is required by drm_panel.

Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Vinay Simha BN <simhavcs@xxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
---
 drivers/gpu/drm/panel/panel-jdi-lt070me05000.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
index 4bfd8c877c8e..bacb1b5bc524 100644
--- a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
+++ b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
@@ -329,7 +329,7 @@ static int dsi_dcs_bl_get_brightness(struct backlight_device *bl)
 {
 	struct mipi_dsi_device *dsi = bl_get_data(bl);
 	int ret;
-	u16 brightness = bl->props.brightness;
+	u16 brightness = backlight_get_brightness(bl);
 
 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
 
@@ -349,7 +349,7 @@ static int dsi_dcs_bl_update_status(struct backlight_device *bl)
 
 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
 
-	ret = mipi_dsi_dcs_set_display_brightness(dsi, bl->props.brightness);
+	ret = mipi_dsi_dcs_set_display_brightness(dsi, backlight_get_brightness(bl));
 	if (ret < 0)
 		return ret;
 
@@ -367,12 +367,7 @@ static struct backlight_device *
 drm_panel_create_dsi_backlight(struct mipi_dsi_device *dsi)
 {
 	struct device *dev = &dsi->dev;
-	struct backlight_properties props;
-
-	memset(&props, 0, sizeof(props));
-	props.type = BACKLIGHT_RAW;
-	props.brightness = 255;
-	props.max_brightness = 255;
+	DECLARE_BACKLIGHT_INIT_RAW(props, 255, 255);
 
 	return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
 					      &dsi_bl_ops, &props);
@@ -431,6 +426,9 @@ static int jdi_panel_add(struct jdi_panel *jdi)
 		return ret;
 	}
 
+	drm_panel_init(&jdi->base, &jdi->dsi->dev, &jdi_panel_funcs,
+		       DRM_MODE_CONNECTOR_DSI);
+
 	jdi->backlight = drm_panel_create_dsi_backlight(jdi->dsi);
 	if (IS_ERR(jdi->backlight)) {
 		ret = PTR_ERR(jdi->backlight);
@@ -438,9 +436,6 @@ static int jdi_panel_add(struct jdi_panel *jdi)
 		return ret;
 	}
 
-	drm_panel_init(&jdi->base, &jdi->dsi->dev, &jdi_panel_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
-
 	ret = drm_panel_add(&jdi->base);
 
 	return ret;
-- 
2.25.1

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