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UpKbdBacklight: Add new BrightnessChangedWithSource signal

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There are multiple possible causes for the keyboard brightness to change,
e.g. SetBrightness may get called, or the brightness may get changed
through a hotkey which is handled in firmware.

https://bugs.freedesktop.org/show_bug.cgi?id=98404
This commit is contained in:
Hans de Goede 2017-02-05 16:04:02 +01:00 • committed by Bastien Nocera
parent 12d34b8a8b
commit 112814fd4f
2 changed files with 39 additions and 2 deletions
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28
dbus/org.freedesktop.UPower.KbdBacklight.xml
View file

@ -96,6 +96,34 @@
</doc:doc>
</signal>
<signal name="BrightnessChangedWithSource">
<arg name="value" direction="out" type="i">
<doc:doc>
<doc:summary>
The new brightness value of the keyboard backlight.
</doc:summary>
</doc:doc>
</arg>
<arg name="source" direction="out" type="s">
<doc:doc>
<doc:summary>
Source of the keyboard backlight brightness change, either
"external" if SetBrightness was called, or "internal" if the
hardware changed the keyboard brightness itself (automatically or
through a firmware-handled hotkey being pressed).
</doc:summary>
</doc:doc>
</arg>
<doc:doc>
<doc:description>
<doc:para>
The keyboard backlight brightness level has changed including
information about the source of the change.
</doc:para>
</doc:description>
</doc:doc>
</signal>
</interface>
</node>

13
src/up-kbd-backlight.c
View file

@ -48,6 +48,16 @@ struct UpKbdBacklightPrivate
G_DEFINE_TYPE (UpKbdBacklight, up_kbd_backlight, UP_TYPE_EXPORTED_KBD_BACKLIGHT_SKELETON)
/**
* up_kbd_backlight_emit_change:
**/
static void
up_kbd_backlight_emit_change(UpKbdBacklight *kbd_backlight, int value, const char *source)
{
up_exported_kbd_backlight_emit_brightness_changed (UP_EXPORTED_KBD_BACKLIGHT (kbd_backlight), value);
up_exported_kbd_backlight_emit_brightness_changed_with_source (UP_EXPORTED_KBD_BACKLIGHT (kbd_backlight), value, source);
}
/**
* up_kbd_backlight_brightness_read:
**/
@ -114,8 +124,7 @@ up_kbd_backlight_brightness_write (UpKbdBacklight *kbd_backlight, gint value)
}
/* emit signal */
up_exported_kbd_backlight_emit_brightness_changed (UP_EXPORTED_KBD_BACKLIGHT (kbd_backlight),
value);
up_kbd_backlight_emit_change (kbd_backlight, value, "external");
out:
g_free (text);