| Message ID | 1387207386-4601-1-git-send-email-dh.herrmann@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Dmitry ping? David On Mon, Dec 16, 2013 at 4:23 PM, David Herrmann <dh.herrmann@gmail.com> wrote: > We must not reassign those axes or we will break backwards-compat. Add a > small note for that so we don't accidentally some day reuse these. > > Signed-off-by: David Herrmann <dh.herrmann@gmail.com> > --- > include/uapi/linux/input.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h > index a372627..da1125e 100644 > --- a/include/uapi/linux/input.h > +++ b/include/uapi/linux/input.h > @@ -816,6 +816,10 @@ struct input_keymap_entry { > > #define ABS_MISC 0x28 > > +/* ABS_MISC+x is used by HID to assign to unknown axes. Note that they used to > + * flow over into the MT definitions. For backwards-compatibility, we must > + * not reassign [0x29-0x2e] */ > + > #define ABS_MT_SLOT 0x2f /* MT slot being modified */ > #define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */ > #define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */ > -- > 1.8.5.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h index a372627..da1125e 100644 --- a/include/uapi/linux/input.h +++ b/include/uapi/linux/input.h @@ -816,6 +816,10 @@ struct input_keymap_entry { #define ABS_MISC 0x28 +/* ABS_MISC+x is used by HID to assign to unknown axes. Note that they used to + * flow over into the MT definitions. For backwards-compatibility, we must + * not reassign [0x29-0x2e] */ + #define ABS_MT_SLOT 0x2f /* MT slot being modified */ #define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */ #define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */
We must not reassign those axes or we will break backwards-compat. Add a small note for that so we don't accidentally some day reuse these. Signed-off-by: David Herrmann <dh.herrmann@gmail.com> --- include/uapi/linux/input.h | 4 ++++ 1 file changed, 4 insertions(+)