Re: [PATCH] Fixed ideapad-laptop driver to support Yoga 9 2 in 1 14imh9 unknown keys

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Hi Gašper,

Thank you for your patch. 

First if all a few generic notes:

1. When sending out v2 of the patch please add
   platform-driver-x86@xxxxxxxxxxxxxxx to the Cc

2. The patch subject (first line of commit message) should have
   a prefix describing the subsystem + driver, e.g. use:
   "platform/x86: ideapad-laptop: Add a few new keymap entries"

3. Your patch is missing a signed-off-by, see:
https://www.kernel.org/doc/html/latest/process/submitting-patches.html#sign-your-work-the-developer-s-certificate-of-origin

4. Your commit message / patch should also have a body, e.g.
   the entirety of the commit message could look something like this:

-- begin --
platform/x86: ideapad-laptop: Add a few new keymap entries

The Yoga 9 2 in 1 14imh9 introduces 4 new hotkeys which are not
yet in ideapad_keymap[], add entries to map these keys.

Signed-off-by: Gašper Nemgar <your-email-here>
-- end --

A few more specific remarks below based on looking at
this picture of the keyboard:

https://ardes.bg/uploads/original/lenovo-yoga-9-2-in-1-14-g9-550178.jpg

On 13-Mar-25 4:17 PM, Gašper Nemgar wrote:
> diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
> index 30bd366d7..af124aafe 100644
> --- a/drivers/platform/x86/ideapad-laptop.c
> +++ b/drivers/platform/x86/ideapad-laptop.c
> @@ -1308,6 +1308,14 @@ static const struct key_entry ideapad_keymap[] = {
>  	/* Specific to some newer models */
>  	{ KE_KEY,	0x3e | IDEAPAD_WMI_KEY, { KEY_MICMUTE } },
>  	{ KE_KEY,	0x3f | IDEAPAD_WMI_KEY, { KEY_RFKILL } },
> +	/*Star- (User Asignable Key)*/
> +	{ KE_KEY,	0x44 | IDEAPAD_WMI_KEY, { KEY_PROG1 } },

Ack.

> +	/*Eye*/
> +	{ KE_KEY,	0x45 | IDEAPAD_WMI_KEY, { KEY_DISPLAYTOGGLE } },

It looks like the laptop already does display-toggle as Fn-F7 although
it like sends super + P for this (AKA meta + P).

So mapping this to KEY_DISPLAYTOGGLE seems wrong, what does this
do under Windows?

Maybe KEY_ZOOM ?

> +	/*Performance*/
> +	{ KE_KEY,	0x3d | IDEAPAD_WMI_KEY, { KEY_SPORT } },

I think that instead of mapping this it should be handled specially
and call platform_profile_cycle() instead of sending a key-press
to userspace

> +	/*shift + prtsc*/
> +	{ KE_KEY,	0x2d | IDEAPAD_WMI_KEY, { KEY_PROG3 } },

Looking a the symbol on the keyboard this should send
KEY_SELECTIVE_SCREENSHOT

>  
>  	{ KE_END },
>  };
> 

Regards,

Hans






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