linux-kernel - Re: [PATCH v2 1/3] platform/x86: dell-wmi: add new backlight events

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Date:   Tue, 9 Jun 2020 01:24:40 +0200
From:   Pali Rohár <pali@...nel.org>
To:     Y Paritcher <y.linux@...itcher.com>
Cc:     linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        Matthew Garrett <mjg59@...f.ucam.org>,
        Mario.Limonciello@...l.com
Subject: Re: [PATCH v2 1/3] platform/x86: dell-wmi: add new backlight events

On Monday 08 June 2020 19:05:28 Y Paritcher wrote:
> Add events with a type of 0x0010 and a code of 0x57 / 0x58,
> this silences the following messages being logged on a
> Dell Inspiron 5593:
> 
> dell_wmi: Unknown key with type 0x0010 and code 0x0057 pressed
> dell_wmi: Unknown key with type 0x0010 and code 0x0058 pressed
> 
> These are brightness events and will be handled by acpi-video
> 
> Signed-off-by: Y Paritcher <y.linux@...itcher.com>

Reviewed-by: Pali Rohár <pali@...nel.org>

> ---
>  drivers/platform/x86/dell-wmi.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
> index c25a4286d766..0b2edfe2767d 100644
> --- a/drivers/platform/x86/dell-wmi.c
> +++ b/drivers/platform/x86/dell-wmi.c
> @@ -255,6 +255,10 @@ static const struct key_entry dell_wmi_keymap_type_0010[] = {
>  	/* Keyboard backlight change notification */
>  	{ KE_IGNORE, 0x3f, { KEY_RESERVED } },
>  
> +	/* Backlight brightness level */
> +	{ KE_KEY,    0x57, { KEY_BRIGHTNESSDOWN } },
> +	{ KE_KEY,    0x58, { KEY_BRIGHTNESSUP } },
> +
>  	/* Mic mute */
>  	{ KE_KEY, 0x150, { KEY_MICMUTE } },
>  
> -- 
> 2.27.0
>