The two ioctl command is used to set is_input_event64 flag.
All userspace programs must set this flag to true, before using the
new input_event64 structure.
Signed-off-by: WEN Pingbo <pingbo.wen@xxxxxxxxxx>
---
drivers/input/evdev.c | 9 +++++++++
include/uapi/linux/input.h | 3 +++
2 files changed, 12 insertions(+)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 815487f..990a083 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -863,6 +863,7 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
int __user *ip = (int __user *)p;
unsigned int i, t, u, v;
unsigned int size;
+ int event_flag;
int error;
/* First we check for fixed-length commands */
@@ -937,6 +938,14 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
case EVIOCSKEYCODE_V2:
return evdev_handle_set_keycode_v2(dev, p);
+ case EVIOCSEVENT:
+ if (get_user(event_flag, ip))
+ return -EFAULT;
+ client->is_input_event64 = !!event_flag;
+
+ return 0;
+ case EVIOCGEVENT:
+ return put_user(client->is_input_event64, ip);
}
size = _IOC_SIZE(cmd);
diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
index 1e252ff..966ce8f 100644
--- a/include/uapi/linux/input.h
+++ b/include/uapi/linux/input.h
@@ -171,6 +171,9 @@ struct input_keymap_entry {
#define EVIOCSCLOCKID _IOW('E', 0xa0, int) /* Set clockid to be used for timestamps */
+#define EVIOCSEVENT _IOW('E', 0xa1, int) /* Set input_event64 flag*/
+#define EVIOCGEVENT _IOR('E', 0xa2, int) /* Get input_event64 flag*/
+
/*
* Device properties and quirks
*/
--
1.9.1
--
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