[Xfce4-commits] [xfce/xfce4-power-manager] 03/03: Read from actual_brightness instead of brightness

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   in repository xfce/xfce4-power-manager.

commit 34fe4403faaf6fe0a9de14153e32d5d3c92b919a
Author: Kacper Piwiński <vfjpl1 at gmail.com>
Date:   Sun Apr 14 16:34:46 2019 -0300

    Read from actual_brightness instead of brightness
    
    From https://www.kernel.org/doc/Documentation/ABI/stable/sysfs-class-backlight
    
    What:		/sys/class/backlight/<backlight>/brightness
    Date:		April 2005
    KernelVersion:	2.6.12
    Contact:	Richard Purdie <rpurdie at rpsys.net>
    Description:
    		Control the brightness for this <backlight>. Values
    		are between 0 and max_brightness. This file will also
    		show the brightness level stored in the driver, which
    		may not be the actual brightness (see actual_brightness).
    Users:		HAL
    
    What:		/sys/class/backlight/<backlight>/actual_brightness
    Date:		March 2006
    KernelVersion:	2.6.17
    Contact:	Richard Purdie <rpurdie at rpsys.net>
    Description:
    		Show the actual brightness by querying the hardware.
    Users:		HAL
---
 src/xfpm-backlight-helper.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/xfpm-backlight-helper.c b/src/xfpm-backlight-helper.c
index 9b5aecc..6e96849 100644
--- a/src/xfpm-backlight-helper.c
+++ b/src/xfpm-backlight-helper.c
@@ -1,6 +1,7 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
  *
  * Copyright (C) 2010 Richard Hughes <richard at hughsie.com>
+ * Copyright (C) 2019 Kacper Piwiński
  *
  * Licensed under the GNU General Public License Version 2
  *
@@ -612,7 +613,7 @@ main (gint argc, gchar *argv[])
 
 	/* get current brightness level */
 	if (get_brightness) {
-		filename_file = g_build_filename (filename, "brightness", NULL);
+		filename_file = g_build_filename (filename, "actual_brightness", NULL);
 		ret = g_file_get_contents (filename_file, &contents, NULL, &error);
 		if (!ret) {
 			g_print ("Could not get the value of the backlight: %s\n", error->message);

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