diff options
Diffstat (limited to 'include/uapi/linux/uinput.h')
| -rw-r--r-- | include/uapi/linux/uinput.h | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/include/uapi/linux/uinput.h b/include/uapi/linux/uinput.h index 77b8cf73a178..dc652e224b67 100644 --- a/include/uapi/linux/uinput.h +++ b/include/uapi/linux/uinput.h @@ -72,13 +72,12 @@ struct uinput_setup { /** * UI_DEV_SETUP - Set device parameters for setup * - * This ioctl sets parameters for the input device to be created. It must be - * issued *before* calling UI_DEV_CREATE or it will fail. This ioctl supersedes - * the old "struct uinput_user_dev" method, which wrote this data via write(). - * To actually set the absolute axes, you also need to call the ioctl - * UI_ABS_SETUP *before* calling this ioctl. + * This ioctl sets parameters for the input device to be created. It + * supersedes the old "struct uinput_user_dev" method, which wrote this data + * via write(). To actually set the absolute axes UI_ABS_SETUP should be + * used. * - * This ioctl takes a "struct uinput_setup" object as argument. The fields of + * The ioctl takes a "struct uinput_setup" object as argument. The fields of * this object are as follows: * id: See the description of "struct input_id". This field is * copied unchanged into the new device. @@ -87,9 +86,9 @@ struct uinput_setup { * See below for a description of FF with uinput. * * This ioctl can be called multiple times and will overwrite previous values. - * If this ioctl fails with -EINVAL, you're recommended to use the old - * "uinput_user_dev" method via write() as fallback, in case you run on an old - * kernel that does not support this ioctl. + * If this ioctl fails with -EINVAL, it is recommended to use the old + * "uinput_user_dev" method via write() as a fallback, in case you run on an + * old kernel that does not support this ioctl. * * This ioctl may fail with -EINVAL if it is not supported or if you passed * incorrect values, -ENOMEM if the kernel runs out of memory or -EFAULT if the @@ -109,12 +108,10 @@ struct uinput_abs_setup { * UI_ABS_SETUP - Set absolute axis information for the device to setup * * This ioctl sets one absolute axis information for the input device to be - * created. It must be issued *before* calling UI_DEV_SETUP and UI_DEV_CREATE - * for every absolute axis the device exports. - * This ioctl supersedes the old "struct uinput_user_dev" method, which wrote + * created. It supersedes the old "struct uinput_user_dev" method, which wrote * part of this data and the content of UI_DEV_SETUP via write(). * - * This ioctl takes a "struct uinput_abs_setup" object as argument. The fields + * The ioctl takes a "struct uinput_abs_setup" object as argument. The fields * of this object are as follows: * code: The corresponding input code associated with this axis * (ABS_X, ABS_Y, etc...) @@ -124,9 +121,9 @@ struct uinput_abs_setup { * UI_SET_ABSBIT, this ioctl will enable it. * * This ioctl can be called multiple times and will overwrite previous values. - * If this ioctl fails with -EINVAL, you're recommended to use the old - * "uinput_user_dev" method via write() as fallback, in case you run on an old - * kernel that does not support this ioctl. + * If this ioctl fails with -EINVAL, it is recommended to use the old + * "uinput_user_dev" method via write() as a fallback, in case you run on an + * old kernel that does not support this ioctl. * * This ioctl may fail with -EINVAL if it is not supported or if you passed * incorrect values, -ENOMEM if the kernel runs out of memory or -EFAULT if the |