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commit c0d204da3cb99a7a90de0fd8e67bcd985a669585
Author: Christopher Michael <devilho...@comcast.net>
AuthorDate: Tue Sep 20 09:36:10 2022 -0400
ecore_drm2: Add backlight support to Displays
---
src/lib/ecore_drm2/ecore_drm2_displays.c | 76 +++++++++++++++++++++++++++++---
1 file changed, 70 insertions(+), 6 deletions(-)
diff --git a/src/lib/ecore_drm2/ecore_drm2_displays.c b/src/lib/ecore_drm2/ecore_drm2_displays.c
index 2086c805bc..16d11e2f99 100644
--- a/src/lib/ecore_drm2/ecore_drm2_displays.c
+++ b/src/lib/ecore_drm2/ecore_drm2_displays.c
@@ -131,11 +131,6 @@ _ecore_drm2_display_state_debug(Ecore_Drm2_Display *disp)
DBG("\tCrtc Pos: %d %d", disp->crtc->dcrtc->x, disp->crtc->dcrtc->y);
DBG("\tConnector: %d", disp->conn->id);
- /* DBG("\tCloned: %d", disp->cloned); */
- DBG("\tPrimary: %d", disp->primary);
- DBG("\tEnabled: %d", disp->enabled);
- DBG("\tConnected: %d", disp->connected);
-
if (disp->backlight.path)
{
DBG("\tBacklight");
@@ -153,6 +148,73 @@ _ecore_drm2_display_state_debug(Ecore_Drm2_Display *disp)
}
DBG("\t\tPath: %s", disp->backlight.path);
}
+
+ /* DBG("\tCloned: %d", disp->cloned); */
+ DBG("\tPrimary: %d", disp->primary);
+ DBG("\tEnabled: %d", disp->enabled);
+ DBG("\tConnected: %d", disp->connected);
+}
+
+static double
+_ecore_drm2_display_backlight_value_get(Ecore_Drm2_Display *disp, const char *attr)
+{
+ const char *b = NULL;
+ double ret = 0.0;
+
+ if ((!disp) || (!disp->backlight.path)) return 0.0;
+
+ b = eeze_udev_syspath_get_sysattr(disp->backlight.path, attr);
+ if (!b) return 0.0;
+
+ ret = strtod(b, NULL);
+ if (ret < 0) ret = 0.0;
+
+ return ret;
+}
+
+static void
+_ecore_drm2_display_backlight_get(Ecore_Drm2_Display *disp)
+{
+ Eina_List *devs, *l;
+ const char *dev, *t;
+ Ecore_Drm2_Backlight_Type type = 0;
+ Eina_Bool found = EINA_FALSE;
+
+ devs = eeze_udev_find_by_filter("backlight", NULL, NULL);
+
+ EINA_LIST_FOREACH(devs, l, dev)
+ {
+ t = eeze_udev_syspath_get_sysattr(dev, "type");
+ if (!t) continue;
+
+ if (!strcmp(t, "raw"))
+ type = ECORE_DRM2_BACKLIGHT_RAW;
+ else if (!strcmp(t, "platform"))
+ type = ECORE_DRM2_BACKLIGHT_PLATFORM;
+ else if (!strcmp(t, "firmware"))
+ type = ECORE_DRM2_BACKLIGHT_FIRMWARE;
+
+ if ((disp->conn->type == DRM_MODE_CONNECTOR_LVDS) ||
+ (disp->conn->type == DRM_MODE_CONNECTOR_eDP) ||
+ (type == ECORE_DRM2_BACKLIGHT_RAW))
+ found = EINA_TRUE;
+
+ eina_stringshare_del(t);
+ if (found) break;
+ }
+
+ if (found)
+ {
+ disp->backlight.type = type;
+ disp->backlight.path = eina_stringshare_add(dev);
+ disp->backlight.max =
+ _ecore_drm2_display_backlight_value_get(disp, "max_brightness");
+ disp->backlight.value =
+ _ecore_drm2_display_backlight_value_get(disp, "brightness");
+ }
+
+ EINA_LIST_FREE(devs, dev)
+ eina_stringshare_del(dev);
}
static void
@@ -200,6 +262,9 @@ _ecore_drm2_display_state_fill(Ecore_Drm2_Display *disp)
break;
}
+ /* get backlight values */
+ _ecore_drm2_display_backlight_get(disp);
+
/* get connected state */
disp->connected = (disp->conn->conn->connection == DRM_MODE_CONNECTED);
}
@@ -210,7 +275,6 @@ _ecore_drm2_display_state_thread(void *data, Ecore_Thread *thread EINA_UNUSED)
Ecore_Drm2_Display *disp;
disp = data;
- /* TODO: FIXME: Should this check for disp->state ? */
if (!disp->name)
_ecore_drm2_display_state_fill(disp);
else
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