Re: [PATCH v2] platform/x86: hp-wmi: Handle Omen Key event

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Hi,

On 1/20/23 23:12, Rishit Bansal wrote:
> Add support to map the "HP Omen Key" to KEY_PROG2. Laptops in the HP
> Omen Series open the HP Omen Command Center application on windows. But,
> on linux it fails with the following message from the hp-wmi driver:
> 
> [ 5143.415714] hp_wmi: Unknown event_id - 29 - 0x21a5
> 
> Also adds support to map Fn+Esc to KEY_FN_ESC. This currently throws the
> following message on the hp-wmi driver:
> 
> [ 6082.143785] hp_wmi: Unknown key code - 0x21a7
> 
> There is also a "Win-Lock" key on HP Omen Laptops which supports
> Enabling and Disabling the Windows key, which trigger commands 0x21a4
> and 0x121a4 respectively, but I wasn't able to find any KEY in input.h
> to map this to.

We could add KE_IGNORE mappings to hp_wmi_keymap for those,
doing so should silence the warnings about unknown codes.

If you think this is useful please provide a separate follow-up
patch for this.

> Signed-off-by: Rishit Bansal <rishitbansal0@xxxxxxxxx>

I have merged this v2 now, but with some coding style changes,
for your next patches please try to keep the indentation
and sorting of things correct.

> ---
> Changes since v1:
>  - Add support for FN+Esc Key
> ---
>  drivers/platform/x86/hp/hp-wmi.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/platform/x86/hp/hp-wmi.c b/drivers/platform/x86/hp/hp-wmi.c
> index 0a99058be813..ab858db551fb 100644
> --- a/drivers/platform/x86/hp/hp-wmi.c
> +++ b/drivers/platform/x86/hp/hp-wmi.c
> @@ -91,6 +91,7 @@ enum hp_wmi_event_ids {
>  	HPWMI_BATTERY_CHARGE_PERIOD	= 0x10,
>  	HPWMI_SANITIZATION_MODE		= 0x17,
>  	HPWMI_SMART_EXPERIENCE_APP	= 0x21,
> +	HPWMI_OMEN_KEY				= 0x1D,

There is one <tab> too much before the '= 0x1D' and 0x1D should
be between the 0x17 and 0x21 lines.

>  };
>  
>  /*
> @@ -219,6 +220,8 @@ static const struct key_entry hp_wmi_keymap[] = {
>  	{ KE_KEY, 0x21a9,  { KEY_TOUCHPAD_OFF } },
>  	{ KE_KEY, 0x121a9, { KEY_TOUCHPAD_ON } },
>  	{ KE_KEY, 0x231b,  { KEY_HELP } },
> +	{ KE_KEY, 0x21a5,  { KEY_PROG2 }}, /* HP Omen Key */
> +	{ KE_KEY, 0x21a7, { KEY_FN_ESC }},

These need to be above the 0x21a9 line, so sorted by base event code
(lower 16 bits) Also you are missing a space in the indentation of
the { KEY_FN_ESC } and there should be a space between the 2 }} at
the end like on the other lines.

Regards,

Hans


>  	{ KE_END, 0 }
>  };
>  
> @@ -810,6 +813,7 @@ static void hp_wmi_notify(u32 value, void *context)
>  	case HPWMI_SMART_ADAPTER:
>  		break;
>  	case HPWMI_BEZEL_BUTTON:
> +	case HPWMI_OMEN_KEY:
>  		key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY);
>  		if (key_code < 0)
>  			break;




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