From 1a0464230c08506c3fd715ff7cc56660df3a85ca Mon Sep 17 00:00:00 2001 From: Bastien Nocera Date: Fri, 11 Oct 2013 09:45:32 +0200 Subject: Add support for saving/restoring keyboard backlights Piggy-backing on the display backlight code, this saves and restores keyboard backlights on supported devices. The detection code matches that of UPower: http://cgit.freedesktop.org/upower/tree/src/up-kbd-backlight.c#n173 https://bugs.freedesktop.org/show_bug.cgi?id=70367 [tomegun: also work for devices named "{smc,samsung,asus}::kbd_backlight"] --- src/backlight/backlight.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'src/backlight/backlight.c') diff --git a/src/backlight/backlight.c b/src/backlight/backlight.c index 9b2eada39..f22deed4e 100644 --- a/src/backlight/backlight.c +++ b/src/backlight/backlight.c @@ -56,9 +56,11 @@ int main(int argc, char *argv[]) { errno = 0; device = udev_device_new_from_subsystem_sysname(udev, "backlight", argv[2]); + if (!device) + device = udev_device_new_from_subsystem_sysname(udev, "leds", argv[2]); if (!device) { if (errno != 0) { - log_error("Failed to get backlight device: %m"); + log_error("Failed to get backlight device '%s': %m", argv[2]); r = -errno; } else r = log_oom(); @@ -66,7 +68,8 @@ int main(int argc, char *argv[]) { goto finish; } - if (!streq_ptr(udev_device_get_subsystem(device), "backlight")) { + if (!streq_ptr(udev_device_get_subsystem(device), "backlight") && + !streq_ptr(udev_device_get_subsystem(device), "leds")) { log_error("Not a backlight device: %s", argv[2]); r = -ENODEV; goto finish; -- cgit v1.2.3