ecore-drm: Added internal function to set output brightness level

Summary:
Added _ecore_drm_output_brightness_set function to set brightness level

Signed-off-by: vivek <vivek.ellur@samsung.com>
Reviewers: devilhorns

Subscribers: cedric

Differential Revision: https://phab.enlightenment.org/D1499

diff --git a/src/lib/ecore_drm/ecore_drm_output.c b/src/lib/ecore_drm/ecore_drm_output.c
index 9b7fae8..7f96797 100644 (file)
--- a/src/lib/ecore_drm/ecore_drm_output.c
+++ b/src/lib/ecore_drm/ecore_drm_output.c
@@ -296,6 +296,9 @@ _ecore_drm_output_brightness_get(Ecore_Drm_Backlight *backlight)
    const char *brightness = NULL;
    double ret;
 
+   if (!(backlight) || !(backlight->device))
+     return 0;
+
    brightness = eeze_udev_syspath_get_sysattr(backlight->device, "brightness");
    if (!brightness) return 0;
 
@@ -312,6 +315,9 @@ _ecore_drm_output_actual_brightness_get(Ecore_Drm_Backlight *backlight)
    const char *brightness = NULL;
    double ret;
 
+   if (!(backlight) || !(backlight->device))
+     return 0;
+
    brightness = eeze_udev_syspath_get_sysattr(backlight->device, "actual_brightness");
    if (!brightness) return 0;
 
@@ -328,6 +334,9 @@ _ecore_drm_output_max_brightness_get(Ecore_Drm_Backlight *backlight)
    const char *brightness = NULL;
    double ret;
 
+   if (!(backlight) || !(backlight->device))
+     return 0;
+
    brightness = eeze_udev_syspath_get_sysattr(backlight->device, "max_brightness");
    if (!brightness) return 0;
 
@@ -338,6 +347,19 @@ _ecore_drm_output_max_brightness_get(Ecore_Drm_Backlight *backlight)
    return ret;
 }
 
+static double
+_ecore_drm_output_brightness_set(Ecore_Drm_Backlight *backlight, double brightness_val)
+{
+   Eina_Bool ret = EINA_FALSE;
+
+   if (!(backlight) || !(backlight->device))
+     return ret;
+
+   ret = eeze_udev_syspath_set_sysattr(backlight->device, "brightness", brightness_val);
+
+   return ret;
+}
+
 static Ecore_Drm_Backlight *
 _ecore_drm_output_backlight_init(Ecore_Drm_Output *output EINA_UNUSED, uint32_t conn_type)
 {