> Hi,
>
> On Fri, Oct 30, 2020 at 10:15:52PM +0900, Jungrae Kim wrote:
> > From 23aed4567e234b7e108c31abadb9f3a3ccccf7d2 Mon Sep 17 00:00:00 2001
> > From: Jungrae Kim <jryu.kim@xxxxxxxxxxx>
> > Date: Fri, 30 Oct 2020 21:23:12 +0900
> > Subject: [PATCH] Input: add SW_COVER_ATTACHED and SW_EXT_PEN_ATTACHED
> >
> > SW_COVER_ATTACHED represents the connected state of a removable cover
> > of a device. Value 0 means cover was attached with device, value 1 means
> > removed it.
>
> Any reason against using SW_MACHINE_COVER? That was introduced for Nokia
> N900, where you actually remove the cover to access battery/SD card/
> SIM card (so there is state 0 = cover removed/open and state 1 = cover
> attached/closed).
>
> -- Sebastian
>
> > SW_EXT_PEN_ATTACHED represents the state of the pen.
> > Some device have internal pen slot. but other some device have external pen
> > slot. These two cases has different use case in userspace. So need to
> > separate a event. Value 0 means pen was detach on external pen slot on
> > device, value 1 means pen was attached external pen slot on device.
> >
> > Signed-off-by: Jungrae Kim <jryu.kim@xxxxxxxxxxx>
> > ---
> > include/linux/mod_devicetable.h | 2 +-
> > include/uapi/linux/input-event-codes.h | 4 +++-
> > 2 files changed, 4 insertions(+), 2 deletions(-)
> >
> > diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
> > index 5b08a473cdba..897f5a3e7721 100644
> > --- a/include/linux/mod_devicetable.h
> > +++ b/include/linux/mod_devicetable.h
> > @@ -320,7 +320,7 @@ struct pcmcia_device_id {
> > #define INPUT_DEVICE_ID_LED_MAX 0x0f
> > #define INPUT_DEVICE_ID_SND_MAX 0x07
> > #define INPUT_DEVICE_ID_FF_MAX 0x7f
> > -#define INPUT_DEVICE_ID_SW_MAX 0x10
> > +#define INPUT_DEVICE_ID_SW_MAX 0x12
> > #define INPUT_DEVICE_ID_PROP_MAX 0x1f
> >
> > #define INPUT_DEVICE_ID_MATCH_BUS 1
> > diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
> > index ee93428ced9a..a0506369de6d 100644
> > --- a/include/uapi/linux/input-event-codes.h
> > +++ b/include/uapi/linux/input-event-codes.h
> > @@ -893,7 +893,9 @@
> > #define SW_MUTE_DEVICE 0x0e /* set = device disabled */
> > #define SW_PEN_INSERTED 0x0f /* set = pen inserted */
> > #define SW_MACHINE_COVER 0x10 /* set = cover closed */
> > -#define SW_MAX 0x10
> > +#define SW_COVER_ATTACHED 0x11 /* set = cover attached */
> > +#define SW_EXT_PEN_ATTACHED 0x12 /* set = external pen attached */
> > +#define SW_MAX 0x12
> > #define SW_CNT (SW_MAX+1)
> >
> > /*
> > --
> > 2.17.1
We need 2 kind of event, cover open/close and cover attach/detach.
The open/close of the cover must work only if the cover is attached.
So we will check cover open/close status using SW_MACHINE_COVER.
Thanks
Jungrae Kim
68,1 Bot
