[PATCH v19 07/10] drm/panel: Use backlight_enable/disable helpers

From: Meghana Madhyastha
Date: Wed Jan 24 2018 - 11:39:39 EST


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.

Reviewed-by: Noralf Trønnes <noralf@xxxxxxxxxxx>
Reviewed-by: Sean Paul<seanpaul@xxxxxxxxxxxx>
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 | 10 ++--------
drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 10 ++--------
4 files changed, 8 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..072c0fc79 100644
--- a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
@@ -96,10 +96,7 @@ 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);
- }
+ backlight_disable(sharp->backlight);

sharp->enabled = false;

@@ -263,10 +260,7 @@ 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);
- }
+ 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..8a5137963 100644
--- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
@@ -117,10 +117,7 @@ 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);
- }
+ backlight_disable(sharp_nt->backlight);

sharp_nt->enabled = false;

@@ -203,10 +200,7 @@ 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);
- }
+ backlight_enable(sharp_nt->backlight);

sharp_nt->enabled = true;

--
2.11.0