[PATCH v1 10/22] drm/panel: raydium-rm67191: Backlight update

[Sam Ravnborg]

- Replace direct access to backlight_properties with
  backlight_get_brightness().
- Use macro for initialization

Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
Cc: Robert Chiras <robert.chiras at nxp.com>
Cc: Thierry Reding <thierry.reding at gmail.com>
Cc: Sam Ravnborg <sam at ravnborg.org>
---
 drivers/gpu/drm/panel/panel-raydium-rm67191.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-raydium-rm67191.c b/drivers/gpu/drm/panel/panel-raydium-rm67191.c
index 313637d53d28..5553db385dd5 100644
--- a/drivers/gpu/drm/panel/panel-raydium-rm67191.c
+++ b/drivers/gpu/drm/panel/panel-raydium-rm67191.c
@@ -479,7 +479,7 @@ static int rad_bl_get_brightness(struct backlight_device *bl)
 	if (ret < 0)
 		return ret;
 
-	bl->props.brightness = brightness;
+	backlight_set_brightness(bl, brightness);
 
 	return brightness & 0xff;
 }
@@ -495,7 +495,7 @@ static int rad_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;
 
@@ -539,10 +539,10 @@ static int rad_init_regulators(struct rad_panel *rad)
 
 static int rad_panel_probe(struct mipi_dsi_device *dsi)
 {
+	DECLARE_BACKLIGHT_INIT_RAW(bl_props, 255, 255);
 	struct device *dev = &dsi->dev;
 	struct device_node *np = dev->of_node;
 	struct rad_panel *panel;
-	struct backlight_properties bl_props;
 	int ret;
 	u32 video_mode;
 
@@ -588,11 +588,6 @@ static int rad_panel_probe(struct mipi_dsi_device *dsi)
 	if (IS_ERR(panel->reset))
 		return PTR_ERR(panel->reset);
 
-	memset(&bl_props, 0, sizeof(bl_props));
-	bl_props.type = BACKLIGHT_RAW;
-	bl_props.brightness = 255;
-	bl_props.max_brightness = 255;
-
 	panel->backlight = devm_backlight_device_register(dev, dev_name(dev),
 							  dev, dsi, &rad_bl_ops,
 							  &bl_props);
-- 
2.25.1