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backlightUtil: attempt to write to sysfs directly before trying dbus #476

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backlightUtil: attempt to write to sysfs directly before trying dbus #476

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12 changes: 12 additions & 0 deletions src/controlCenter/widgets/backlight/backlightUtil.vala
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,18 @@ namespace SwayNotificationCenter.Widgets {
public async void set_brightness (float percent) {
this.close ();
try {
if (fd.query_exists()) {
try {
var dos = new DataOutputStream (fd.append_to (FileCreateFlags.NONE));
int actual = calc_actual (percent);
dos.put_string ("%d".printf(actual));
connect_monitor ();
return;
} catch (Error e) {
// pass if we don't have permission to do this directly,
// and proceed to attempt through dbus
}
}
if (subsystem == "backlight") {
int actual = calc_actual (percent);
login1.set_brightness.begin (subsystem, device, actual);
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