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ecore_drm2: Add backlight support to Displays

This commit is contained in:
Christopher Michael 2022-09-20 09:36:10 -04:00
parent 51ae3a1c9b
commit adb95075fc
1 changed files with 70 additions and 6 deletions
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76
src/lib/ecore_drm2/ecore_drm2_displays.c
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@ -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