upload tizen1.0 source

[framework/uifw/e17.git] / src / bin / e_backlight_main.c

diff --git a/src/bin/e_backlight_main.c b/src/bin/e_backlight_main.c
index 10e6bb8..ef764d2 100644 (file)
--- a/src/bin/e_backlight_main.c
+++ b/src/bin/e_backlight_main.c
@@ -22,35 +22,18 @@ _bl_write_file(const char *file, int val)
         perror("open");
         return -1;
      }
-   snprintf(buf, sizeof(buf), "%i", val);
+   snprintf(buf, sizeof(buf), "%d", val);
    if (write(fd, buf, strlen(buf)) != (int)strlen(buf))
      {
         perror("write");
         close(fd);
         return -1;
      }
+   printf("BACKLIGHT: %s -> %i\n", file, val);
    close(fd);
    return 0;
 }
 
-/* local subsystem globals */
-typedef struct _Bl_Entry
-{
-   char type;
-   const char *base;
-   const char *max;
-   const char *set;
-} Bl_Entry;
-
-static const Bl_Entry search[] =
-{
-   { 'F', "/sys/devices/virtual/backlight/acpi_video0", "max_brightness", "brightness" },
-   { 'D', "/sys/devices/virtual/backlight", "max_brightness", "brightness" },
-   { 'F', "/sys/class/leds/lcd-backlight", "max_brightness", "brightness" },
-   { 'F', "/sys/class/backlight/acpi_video0", "max_brightness", "brightness" },
-   { 'D', "/sys/class/backlight", "max_brightness", "brightness" }
-};
-
 /* externally accessible functions */
 int
 main(int argc, char **argv)
@@ -91,7 +74,31 @@ main(int argc, char **argv)
 
    eeze_init();
    devs = eeze_udev_find_by_filter("backlight", NULL, NULL);
-   if (!devs) return -1;
+   if (!devs)
+     {
+        devs = eeze_udev_find_by_filter("leds", NULL, NULL);
+        if (!devs) return -1;
+     }
+   if (eina_list_count(devs) > 1)
+     {
+        const char *s = NULL;
+        Eina_List *l, *new = NULL;
+        Eina_Bool use = EINA_FALSE;
+
+        /* prefer backlights of type "firmware" where available */
+        EINA_LIST_FOREACH(devs, l, f)
+          {
+             s = eeze_udev_syspath_get_sysattr(f, "type");
+             use = (s && (!strcmp(s, "firmware")));
+             eina_stringshare_del(s);
+             if (!use) continue;
+             eina_list_move_list(&new, &devs, l);
+             EINA_LIST_FREE(devs, f)
+               eina_stringshare_del(f);
+             devs = new;
+             break;
+          }
+     }
    EINA_LIST_FREE(devs, f)
      {
         const char *str;
@@ -118,6 +125,9 @@ main(int argc, char **argv)
              return _bl_write_file(buf, curlevel);
           }
         eina_stringshare_del(f);
+        /* Currently this will set brightness levels on ALL detected devices
+           If this is not desired, add a break here
+         */
      }
 
    return -1;