Add the support for backlight sequences in drm layer
to configure the backlight settings during
backlight on/off sequences.
Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
include/drm/drm_panel.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index c49358e..8773aac 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -74,6 +74,8 @@ struct drm_panel_funcs {
int (*power_off)(struct drm_panel *panel);
int (*enable)(struct drm_panel *panel);
int (*get_modes)(struct drm_panel *panel);
+ int (*backlight_on)(struct drm_panel *panel);
+ int (*backlight_off)(struct drm_panel *panel);
int (*get_timings)(struct drm_panel *panel, unsigned int num_timings,
struct display_timing *timings);
};
@@ -141,6 +143,22 @@ static inline int drm_panel_reset(struct drm_panel *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;
+}
+
/**
* drm_panel_prepare - power on a panel
* @panel: DRM panel
--
1.9.1
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