[PATCH v2 08/24] drm/panel: asus-z00t-tm5p5-n35596: Backlight update

[Sam Ravnborg]

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

Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
Cc: Konrad Dybcio <konradybcio at gmail.com>
Cc: Thierry Reding <thierry.reding at gmail.com>
Cc: Sam Ravnborg <sam at ravnborg.org>
---
 .../gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c  | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
index 39e0f0373f3c..ed742d374696 100644
--- a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
+++ b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
@@ -216,14 +216,9 @@ static const struct drm_panel_funcs tm5p5_nt35596_panel_funcs = {
 static int tm5p5_nt35596_bl_update_status(struct backlight_device *bl)
 {
 	struct mipi_dsi_device *dsi = bl_get_data(bl);
-	u16 brightness = bl->props.brightness;
+	int brightness = backlight_get_brightness(bl);
 	int ret;
 
-	if (bl->props.power != FB_BLANK_UNBLANK ||
-	    bl->props.fb_blank != FB_BLANK_UNBLANK ||
-	    bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
-		brightness = 0;
-
 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
 
 	ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness);
@@ -238,7 +233,7 @@ static int tm5p5_nt35596_bl_update_status(struct backlight_device *bl)
 static int tm5p5_nt35596_bl_get_brightness(struct backlight_device *bl)
 {
 	struct mipi_dsi_device *dsi = bl_get_data(bl);
-	u16 brightness = bl->props.brightness;
+	u16 brightness;
 	int ret;
 
 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
@@ -261,11 +256,7 @@ static struct backlight_device *
 tm5p5_nt35596_create_backlight(struct mipi_dsi_device *dsi)
 {
 	struct device *dev = &dsi->dev;
-	const struct backlight_properties props = {
-		.type = BACKLIGHT_RAW,
-		.brightness = 255,
-		.max_brightness = 255,
-	};
+	DECLARE_BACKLIGHT_INIT_RAW(props, 255, 255);
 
 	return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
 					      &tm5p5_nt35596_bl_ops, &props);
-- 
2.25.1