[Powertop] [PATCH] Fix screen DPMS support detection
Consider DPMS disabled when we can't open /sys/class/drm/card0 directory.
---
src/devices/backlight.cpp | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/devices/backlight.cpp b/src/devices/backlight.cpp
index b8c9147..c0219f3 100644
--- a/src/devices/backlight.cpp
+++ b/src/devices/backlight.cpp
@@ -84,7 +84,7 @@ static int dpms_screen_on(void)
dir = opendir("/sys/class/drm/card0");
if (!dir)
- return 1;
+ return 0;
while (1) {
entry = readdir(dir);
if (!entry)
--
1.7.5.4