1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/pkg/devices/backlight/src/client/backlight-client.cc Sun May 13 01:34:16 2018 +0200
1.3 @@ -0,0 +1,50 @@
1.4 +/*
1.5 + * Backlight client to access backlight servers.
1.6 + *
1.7 + * (c) 2018 Paul Boddie <paul@boddie.org.uk>
1.8 + *
1.9 + * This program is free software; you can redistribute it and/or
1.10 + * modify it under the terms of the GNU General Public License as
1.11 + * published by the Free Software Foundation; either version 2 of
1.12 + * the License, or (at your option) any later version.
1.13 + *
1.14 + * This program is distributed in the hope that it will be useful,
1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 + * GNU General Public License for more details.
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License
1.20 + * along with this program; if not, write to the Free Software
1.21 + * Foundation, Inc., 51 Franklin Street, Fifth Floor,
1.22 + * Boston, MA 02110-1301, USA
1.23 + */
1.24 +
1.25 +#include <l4/cxx/ipc_stream>
1.26 +#include <l4/re/env>
1.27 +
1.28 +#include "backlight-client.h"
1.29 +
1.30 +int
1.31 +Backlight_device_interface::disable() throw()
1.32 +{
1.33 + L4::Ipc::Iostream s(l4_utcb());
1.34 +
1.35 + return l4_error(s.call(cap(), Backlight_op_disable));
1.36 +}
1.37 +
1.38 +int
1.39 +Backlight_device_interface::enable() throw()
1.40 +{
1.41 + L4::Ipc::Iostream s(l4_utcb());
1.42 +
1.43 + return l4_error(s.call(cap(), Backlight_op_enable));
1.44 +}
1.45 +
1.46 +int
1.47 +Backlight_device_interface::set_brightness(int level) throw()
1.48 +{
1.49 + L4::Ipc::Iostream s(l4_utcb());
1.50 +
1.51 + s << level;
1.52 + return l4_error(s.call(cap(), Backlight_op_set_brightness));
1.53 +}