linux-kernel - Re: [PATCH v2] platform/x86: dell-wmi: Ignore new rfkill and fn-lock events

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Date:   Thu, 24 May 2018 15:07:26 +0800
From:   Kai Heng Feng <kai.heng.feng@...onical.com>
To:     Mario.Limonciello@...l.com
Cc:     Pali Rohár <pali.rohar@...il.com>,
        mjg59@...f.ucam.org, dvhart@...radead.org, andy@...radead.org,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] platform/x86: dell-wmi: Ignore new rfkill and fn-lock
 events

at 10:30 PM, Mario.Limonciello@...l.com wrote:

>
>
>> -----Original Message-----
>> From: Pali Rohár [mailto:pali.rohar@...il.com]
>> Sent: Friday, April 20, 2018 2:29 AM
>> To: Kai-Heng Feng
>> Cc: mjg59@...f.ucam.org; dvhart@...radead.org; andy@...radead.org;
>> Limonciello, Mario; platform-driver-x86@...r.kernel.org; linux-
>> kernel@...r.kernel.org
>> Subject: Re: [PATCH v2] platform/x86: dell-wmi: Ignore new rfkill and  
>> fn-lock
>> events
>>
>> On Friday 20 April 2018 15:26:48 Kai-Heng Feng wrote:
>>> There are two new events generated by dell-wmi, rfkill and fn-lock, from
>>> Dell Systems.
>>>
>>> When Fn-lock hotkey gets pressed to switch to function mode:
>>> [85951.591542] dell_wmi: Unknown key with type 0x0010 and code 0xe035
>>> pressed
>>> [85951.591546] dell_wmi: Unknown key with type 0x0010 and code 0x0000
>>> pressed
>>>
>>> When Fn-lock hotkey gets pressed to switch to multimedia mode:
>>> [85956.667686] dell_wmi: Unknown key with type 0x0010 and code 0xe035
>>> pressed
>>> [85956.667690] dell_wmi: Unknown key with type 0x0010 and code 0x0001
>>> pressed
>>>
>>> When radio hotkey gets pressed:
>>> [85974.430220] dell_wmi: Unknown key with type 0x0010 and code 0xe008
>>> pressed
>>>
>>> These events are for notification purpose, so we can ignore them.
>>>
>>> This patch is tested on XPS 9370.
>>>
>>> Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
>>
>> Reviewed-by: Pali Rohár <pali.rohar@...il.com>
>
> Reviewed-by: Mario Limonciello <mario.limonciello@...l.com>

Looks like this patch does not get included yet.

Kai-Heng

>
>>> ---
>>> v2: Reorder alphabetically.
>>>     More detailed changelog.
>>>
>>>  drivers/platform/x86/dell-wmi.c | 14 ++++++++++++++
>>>  1 file changed, 14 insertions(+)
>>>
>>> diff --git a/drivers/platform/x86/dell-wmi.c  
>>> b/drivers/platform/x86/dell-wmi.c
>>> index 8d102195a392..ba8e6725d7ac 100644
>>> --- a/drivers/platform/x86/dell-wmi.c
>>> +++ b/drivers/platform/x86/dell-wmi.c
>>> @@ -261,6 +261,12 @@ static const u16 bios_to_linux_keycode[256] = {
>>>   * override them.
>>>   */
>>>  static const struct key_entry dell_wmi_keymap_type_0010[] = {
>>> +	/* Fn-lock switched to function keys */
>>> +	{ KE_IGNORE, 0x0, { KEY_RESERVED } },
>>> +
>>> +	/* Fn-lock switched to multimedia keys */
>>> +	{ KE_IGNORE, 0x1, { KEY_RESERVED } },
>>> +
>>>  	/* Mic mute */
>>>  	{ KE_KEY, 0x150, { KEY_MICMUTE } },
>>>
>>> @@ -296,6 +302,14 @@ static const struct key_entry
>> dell_wmi_keymap_type_0010[] = {
>>> { KE_KEY,    0x851, { KEY_PROG2 } },
>>>  	{ KE_KEY,    0x852, { KEY_PROG3 } },
>>>
>>> +	/*
>>> +	 * Radio disable (notify only -- there is no model for which the
>>> +	 * WMI event is supposed to trigger an action).
>>> +	 */
>>> +	{ KE_IGNORE, 0xe008, { KEY_RFKILL } },
>>> +
>>> +	/* Fn-lock */
>>> +	{ KE_IGNORE, 0xe035, { KEY_RESERVED } },
>>>  };
>>>
>>>  /*
>>
>> --
>> Pali Rohár
>> pali.rohar@...il.com