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Date:   Tue, 12 Jan 2021 19:37:55 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Perry Yuan <perry979106@...il.com>,
        Barnabás Pőcze <pobrn@...tonmail.com>,
        Perry Yuan <Perry.Yuan@...l.com>
Cc:     "mgross@...ux.intel.com" <mgross@...ux.intel.com>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Limonciello Mario <Mario.Limonciello@...l.com>
Subject: Re: [PATCH v2 1/2] platform/x86: dell-privacy: Add support for Dell
 hardware privacy

Hi,

I know there already is a v3 out and I will try to get around to reviewing
that soon, still 1 remark about the discussion surrounding v2:

On 1/11/21 2:42 PM, Perry Yuan wrote:

<snip>

>>> *The flow is like this:
>>> 1) User presses key. HW does stuff with this key (timeout is started)
>>> 2) Event is emitted from FW
>>> 3) Event received by dell-privacy
>>> 4) KEY_MICMUTE emitted from dell-privacy
>>> 5) Userland picks up key and modifies kcontrol for SW mute
>>> 6) Codec kernel driver catches and calls ledtrig_audio_set, like this:
>>> 	ledtrig_audio_set(LED_AUDIO_MICMUTE,
>>> 		rt715->micmute_led ? LED_ON :LED_OFF);
>>> 7) If "LED" is set to on dell-privacy notifies ec,
>>>   and timeout is cancelled,HW mic mute activated.
>>>
>> Please proofread the commit message again, and pay attention to capitalization
>> and spacing.
> I want to reformat it and move the commit info to cover letter.

Please also put a copy of this as a comment in either the wmi or the
acpi driver (with a comment pointing to the comment in the other) this is
important info to have for someone reading the code and trying to understand
how this all fits together.

Regards,

Hans

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