On Fri, 16 Dec 2016, Ping Cheng wrote: > Wacom Cintiq Pro [1] is a series of display tablets. They support > 5 touch keys on the tablet. Those keys represent specific functions. > They turn display off; bring up OSD; bring up On Screen Keyboard; > bring up desktop control panel; and turn touch on/off. > > The most left touch key, that turns display on/off, is controlled by > firmware. When the display is on, the mode is set. Otherwise, the > mode is off. So, it works like a switch. That's why we introduced a > new switch: SW_INDIRECT. The switch defauts to INDIRECT instead of DIRECT > was a request from useland, more specifically Gnome, developers. > > Other four touch keys are true software keys. We use the existing > KEY_BUTTONCONFIG and KEY_CONTROLPANEL for OSD and control panel. But, > we have to request two new keys: KEY_ONSCREEN_KEYBOARD and KEY_MUTE_DEVICE > since none of the existing keys support those two actions. > > [1] http://www.wacom.com/en-us/products/pen-displays/wacom-cintiq-pro > > Signed-off-by: Ping Cheng <ping.cheng@xxxxxxxxx> > --- > v3: Since no one has followed up with v2, let's add some more comments for > SW_INDIRECT so we keep the offlist decision public ;). [ ... snip ... ] > diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h > index d6d071f..32ef894 100644 > --- a/include/uapi/linux/input-event-codes.h > +++ b/include/uapi/linux/input-event-codes.h > @@ -641,6 +641,9 @@ > * e.g. teletext or data broadcast application (MHEG, MHP, HbbTV, etc.) > */ > #define KEY_DATA 0x275 > +/* same as SW_MUTE_DEVICE but triggered by a key */ > +#define KEY_MUTE_DEVICE 0x278 > +#define KEY_ONSCREEN_KEYBOARD 0x279 > > #define BTN_TRIGGER_HAPPY 0x2c0 > #define BTN_TRIGGER_HAPPY1 0x2c0 > @@ -781,7 +784,8 @@ > #define SW_LINEIN_INSERT 0x0d /* set = inserted */ > #define SW_MUTE_DEVICE 0x0e /* set = device disabled */ > #define SW_PEN_INSERTED 0x0f /* set = pen inserted */ > -#define SW_MAX 0x0f > +#define SW_INDIRECT 0x10 /* set = not a direct input device */ > +#define SW_MAX 0x1f I'd like to have explicit Ack from Dmitry on these ... Dmitry? Thanks, -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
