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Message-ID: <382b83c0-a075-999e-6ba2-410d25343d57@redhat.com>
Date: Tue, 15 Nov 2022 21:31:39 +0100
From: Hans de Goede <hdegoede@...hat.com>
To: Eray Orçunus <erayorcunus@...il.com>,
platform-driver-x86@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
ike.pan@...onical.com, jikos@...nel.org,
benjamin.tissoires@...hat.com, dmitry.torokhov@...il.com,
mgross@...ux.intel.com, pobrn@...tonmail.com
Subject: Re: [PATCH v2 3/7] platform/x86: ideapad-laptop: Report
KEY_CAMERA_ACCESS_TOGGLE instead of KEY_CAMERA
Hi Eray,
On 10/29/22 14:03, Eray Orçunus wrote:
> Reporting KEY_CAMERA when pressing camera switch key is wrong, since
> KEY_CAMERA is supposed to be used for taking snapshot. Change it with
> KEY_CAMERA_ACCESS_TOGGLE, so user-space can act correctly.
I'm afraid that we cannot just go and change the emitted key-code,
users might already have setup key-bindings to the existing
KEY_CAMERA code. Also key-codes >= 240 (decimal!) don't work in
X11 based desktop-environments. And even under Wayland they still
have issues, see e.g.:
https://gitlab.gnome.org/GNOME/gtk/-/issues/4353
So I'm afraid that I cannot take this patch.
Note that since a sparse_keymap is used, you can always override
this on your own systems by using a /etc/udev/hwdb.d/61-keyboard.hwdb
file, see: /lib/udev/hwdb.d/60-keyboard.hwdb for the syntax to
map a (sparse) scancode to the KEY_FOO code of your choice.
Regards,
Hans
>
> This patch needs KEY_CAMERA_ACCESS_TOGGLE to be defined, thus depends on
> "HID: add mapping for camera access keys" patch.
>
> Signed-off-by: Eray Orçunus <erayorcunus@...il.com>
> ---
> drivers/platform/x86/ideapad-laptop.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
> index b67bac457a7a..0ef40b88b240 100644
> --- a/drivers/platform/x86/ideapad-laptop.c
> +++ b/drivers/platform/x86/ideapad-laptop.c
> @@ -1038,7 +1038,7 @@ static void ideapad_sysfs_exit(struct ideapad_private *priv)
> */
> static const struct key_entry ideapad_keymap[] = {
> { KE_KEY, 6, { KEY_SWITCHVIDEOMODE } },
> - { KE_KEY, 7, { KEY_CAMERA } },
> + { KE_KEY, 7, { KEY_CAMERA_ACCESS_TOGGLE } },
> { KE_KEY, 8, { KEY_MICMUTE } },
> { KE_KEY, 11, { KEY_F16 } },
> { KE_KEY, 13, { KEY_WLAN } },
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