diff options
Diffstat (limited to 'drivers/input/specialkeys.c')
| -rw-r--r-- | drivers/input/specialkeys.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/input/specialkeys.c b/drivers/input/specialkeys.c new file mode 100644 index 0000000000..ff29b8455d --- /dev/null +++ b/drivers/input/specialkeys.c @@ -0,0 +1,36 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2019 Ahmad Fatoum, Pengutronix + +#include <common.h> +#include <restart.h> +#include <poweroff.h> +#include <init.h> +#include <input/input.h> +#include <dt-bindings/input/linux-event-codes.h> + +static void input_specialkeys_notify(struct input_notifier *in, + struct input_event *ev) +{ + switch (ev->code) { + case KEY_RESTART: + pr_info("Triggering reset due to special key.\n", ev->code); + restart_machine(); + break; + + case KEY_POWER: + pr_info("Triggering poweroff due to special key.\n", ev->code); + poweroff_machine(); + break; + } + + pr_debug("ignoring code: %d\n", ev->code); +} + +static struct input_notifier notifier; + +static int input_specialkeys_init(void) +{ + notifier.notify = input_specialkeys_notify; + return input_register_notfier(¬ifier); +} +late_initcall(input_specialkeys_init); |