linux-kernel - Re: [PATCH] HID: add KEY_CAMERA

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Message-ID: <CACOZ=ZWB3grJKn7wAZEZ0BDyN7KJF4VWUTNs-mPxeoW_oiR7=g@mail.gmail.com>
Date:   Sun, 29 Jan 2023 10:59:09 +0800
From:   qi feng <fengqi706@...il.com>
To:     Jiri Kosina <jikos@...nel.org>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        fengqi <fengqi@...omi.com>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>
Subject: Re: [PATCH] HID: add KEY_CAMERA_FOCUS event in HID

Hi,
Our Bluetooth Handle needs the focus function, which is missing in the
current map
If our setting is unreasonable, do you have other suggested values

thanks

Jiri Kosina <jikos@...nel.org> 于2023年1月21日周六 01:51写道：
>
> On Mon, 9 Jan 2023, Qi Feng wrote:
>
> > From: fengqi <fengqi@...omi.com>
> >
> > Our HID device need KEY_CAMERA_FOCUS event to control camera, but this
> > event is non-existent in current HID driver. So we add this event in
> > hid-input.c
> >
> > Signed-off-by: fengqi <fengqi@...omi.com>
> > ---
> >  drivers/hid/hid-input.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
> > index 9b59e436df0a..22cca3406b5c 100644
> > --- a/drivers/hid/hid-input.c
> > +++ b/drivers/hid/hid-input.c
> > @@ -1105,6 +1105,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
> >               case 0x0e5: map_key_clear(KEY_BASSBOOST);       break;
> >               case 0x0e9: map_key_clear(KEY_VOLUMEUP);        break;
> >               case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);      break;
> > +             case 0x0ee: map_key_clear(KEY_CAMERA_FOCUS);    break;
> >               case 0x0f5: map_key_clear(KEY_SLOW);            break;
> >
> >               case 0x181: map_key_clear(KEY_BUTTONCONFIG);    break;
>
> [ CCing Benjamin ]
>
> Hi,
>
> so according to HUT 1.3.0, 0xeb-0xef are Reserved for now, so I'd be a
> little bit hesitatnt to but this into the generic mapping, as later HUT
> revision might define this in a different way.
>
> Which devices are known to be producing this?
>
> --
> Jiri Kosina
> SUSE Labs
>