[PATCH v16 07/10] drm/panel: Use backlight_enable/disable helpers

[Meghana Madhyastha <meghana.madhyastha@xxxxxxxxx>]

Use backlight_enable/disable helpers instead of changing
the property and calling backlight_update_status for cleaner
and simpler code and also to avoid repetitions.

Signed-off-by: Meghana Madhyastha <meghana.madhyastha@xxxxxxxxx>
---
 drivers/gpu/drm/panel/panel-innolux-p079zca.c   |  6 ++----
 drivers/gpu/drm/panel/panel-jdi-lt070me05000.c  |  6 ++----
 drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c | 12 ++++--------
 drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 12 ++++--------
 4 files changed, 12 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
index 6ba93449f..4c1b29eec 100644
--- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c
+++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
@@ -45,8 +45,7 @@ static int innolux_panel_disable(struct drm_panel *panel)
 	if (!innolux->enabled)
 		return 0;
 
-	innolux->backlight->props.power = FB_BLANK_POWERDOWN;
-	backlight_update_status(innolux->backlight);
+	backlight_disable(innolux->backlight);
 
 	err = mipi_dsi_dcs_set_display_off(innolux->link);
 	if (err < 0)
@@ -151,8 +150,7 @@ static int innolux_panel_enable(struct drm_panel *panel)
 	if (innolux->enabled)
 		return 0;
 
-	innolux->backlight->props.power = FB_BLANK_UNBLANK;
-	ret = backlight_update_status(innolux->backlight);
+	ret = backlight_enable(innolux->backlight);
 	if (ret) {
 		DRM_DEV_ERROR(panel->drm->dev,
 			      "Failed to enable backlight %d\n", ret);
diff --git a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
index 5b2340ef7..0a94ab79a 100644
--- a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
+++ b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
@@ -192,8 +192,7 @@ static int jdi_panel_disable(struct drm_panel *panel)
 	if (!jdi->enabled)
 		return 0;
 
-	jdi->backlight->props.power = FB_BLANK_POWERDOWN;
-	backlight_update_status(jdi->backlight);
+	backlight_disable(jdi->backlight);
 
 	jdi->enabled = false;
 
@@ -289,8 +288,7 @@ static int jdi_panel_enable(struct drm_panel *panel)
 	if (jdi->enabled)
 		return 0;
 
-	jdi->backlight->props.power = FB_BLANK_UNBLANK;
-	backlight_update_status(jdi->backlight);
+	backlight_enable(jdi->backlight);
 
 	jdi->enabled = true;
 
diff --git a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
index 3cce3ca19..1512ec4f3 100644
--- a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
@@ -96,10 +96,8 @@ static int sharp_panel_disable(struct drm_panel *panel)
 	if (!sharp->enabled)
 		return 0;
 
-	if (sharp->backlight) {
-		sharp->backlight->props.power = FB_BLANK_POWERDOWN;
-		backlight_update_status(sharp->backlight);
-	}
+	if (sharp->backlight)
+		backlight_disable(sharp->backlight);
 
 	sharp->enabled = false;
 
@@ -263,10 +261,8 @@ static int sharp_panel_enable(struct drm_panel *panel)
 	if (sharp->enabled)
 		return 0;
 
-	if (sharp->backlight) {
-		sharp->backlight->props.power = FB_BLANK_UNBLANK;
-		backlight_update_status(sharp->backlight);
-	}
+	if (sharp->backlight)
+		backlight_enable(sharp->backlight);
 
 	sharp->enabled = true;
 
diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
index 3aeb0bda4..a6af3257f 100644
--- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
@@ -117,10 +117,8 @@ static int sharp_nt_panel_disable(struct drm_panel *panel)
 	if (!sharp_nt->enabled)
 		return 0;
 
-	if (sharp_nt->backlight) {
-		sharp_nt->backlight->props.power = FB_BLANK_POWERDOWN;
-		backlight_update_status(sharp_nt->backlight);
-	}
+	if (sharp_nt->backlight)
+		backlight_disable(sharp_nt->backlight);
 
 	sharp_nt->enabled = false;
 
@@ -203,10 +201,8 @@ static int sharp_nt_panel_enable(struct drm_panel *panel)
 	if (sharp_nt->enabled)
 		return 0;
 
-	if (sharp_nt->backlight) {
-		sharp_nt->backlight->props.power = FB_BLANK_UNBLANK;
-		backlight_update_status(sharp_nt->backlight);
-	}
+	if (sharp_nt->backlight)
+		backlight_enable(sharp_nt->backlight);
 
 	sharp_nt->enabled = true;
 
-- 
2.11.0

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