[PATCH 1/2] drm: Add few more wrapper functions for drm panel

[Deepak M <m.deepak@xxxxxxxxx>]

Currently there are few pair of functions which
are called during the panel enable/disable sequence.
To improve the granularity, adding few more wrapper
functions so that the functions are more specific
on what they are doing.

Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Deepak M <m.deepak@xxxxxxxxx>
Signed-off-by: Gaurav K Singh <gaurav.k.singh@xxxxxxxxx>
---
 include/drm/drm_panel.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 13ff44b..c729f6d 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -73,6 +73,12 @@ struct drm_panel_funcs {
 	int (*get_modes)(struct drm_panel *panel);
 	int (*get_timings)(struct drm_panel *panel, unsigned int num_timings,
 			   struct display_timing *timings);
+	int (*power_on)(struct drm_panel *panel);
+	int (*power_off)(struct drm_panel *panel);
+	int (*backlight_on)(struct drm_panel *panel);
+	int (*backlight_off)(struct drm_panel *panel);
+	int (*get_info)(struct drm_panel *panel,
+				struct drm_connector *connector);
 };
 
 struct drm_panel {
@@ -117,6 +123,47 @@ static inline int drm_panel_enable(struct drm_panel *panel)
 	return panel ? -ENOSYS : -EINVAL;
 }
 
+static inline int drm_panel_power_on(struct drm_panel *panel)
+{
+	if (panel && panel->funcs && panel->funcs->power_on)
+		return panel->funcs->power_on(panel);
+
+	return panel ? -ENOSYS : -EINVAL;
+}
+
+static inline int drm_panel_power_off(struct drm_panel *panel)
+{
+	if (panel && panel->funcs && panel->funcs->power_off)
+		return panel->funcs->power_off(panel);
+
+	return panel ? -ENOSYS : -EINVAL;
+}
+
+static inline int drm_panel_backlight_on(struct drm_panel *panel)
+{
+	if (panel && panel->funcs && panel->funcs->backlight_on)
+		return panel->funcs->backlight_on(panel);
+
+	return panel ? -ENOSYS : -EINVAL;
+}
+
+static inline int drm_panel_backlight_off(struct drm_panel *panel)
+{
+	if (panel && panel->funcs && panel->funcs->backlight_off)
+		return panel->funcs->backlight_off(panel);
+
+	return panel ? -ENOSYS : -EINVAL;
+}
+
+static inline int drm_panel_get_info(struct drm_panel *panel,
+				struct drm_connector *connector)
+{
+	if (connector && panel && panel->funcs && panel->funcs->get_info)
+		return panel->funcs->get_info(panel, connector);
+
+	return panel ? -ENOSYS : -EINVAL;
+}
+
 static inline int drm_panel_get_modes(struct drm_panel *panel)
 {
 	if (panel && panel->funcs && panel->funcs->get_modes)
-- 
1.9.1

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