From 24888fe9469bbfa812f6f9440e38f05b9fd08b3f Mon Sep 17 00:00:00 2001
From: Carsten Haitzler <raster@rasterman.com>
Date: Sun, 14 Aug 2011 14:35:41 +0000
Subject: [PATCH] add api to detect backlight availability

SVN revision: 62444
---
 src/bin/e_backlight.c | 10 +++++++++-
 src/bin/e_backlight.h |  1 +
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/bin/e_backlight.c b/src/bin/e_backlight.c
index 45b49fb2f..8a556a86d 100644
--- a/src/bin/e_backlight.c
+++ b/src/bin/e_backlight.c
@@ -4,13 +4,14 @@
 // a signleton right now as thats 99% of use cases. but api supports
 // doing more. for now make it work in the singleton
 
+#define MODE_NONE  -1
 #define MODE_RANDR 0
 #define MODE_SYS   1
 
 static double bl_val = 1.0;
 static double bl_animval = 1.0;
 static E_Backlight_Mode bl_mode = E_BACKLIGHT_MODE_NORMAL;
-static int sysmode = MODE_RANDR;
+static int sysmode = MODE_NONE;
 static Ecore_Animator *bl_anim = NULL;
 static const char *bl_sysval = NULL;
 static Ecore_Event_Handler *bl_sys_exit_handler = NULL;
@@ -50,6 +51,13 @@ e_backlight_shutdown(void)
    return 1;
 }
 
+EAPI Eina_Bool
+e_backlight_exists(void)
+{
+   if (sysmode == MODE_NONE) return EINA_FALSE;
+   return EINA_TRUE;
+}
+
 EAPI void
 e_backlight_update(void)
 {
diff --git a/src/bin/e_backlight.h b/src/bin/e_backlight.h
index 848a17fcf..41e1744d0 100644
--- a/src/bin/e_backlight.h
+++ b/src/bin/e_backlight.h
@@ -26,6 +26,7 @@ typedef enum _E_Backlight_Mode
 
 EINTERN int              e_backlight_init(void);
 EINTERN int              e_backlight_shutdown(void);
+EAPI Eina_Bool           e_backlight_exists(void);
 EAPI void                e_backlight_update(void);
 EAPI void                e_backlight_level_set(E_Zone *zone, double val, double tim);
 EAPI double              e_backlight_level_get(E_Zone *zone);