Re: [PATCH v2 1/2] platform/x86: dell-privacy: Add support for Dell hardware privacy

From: Hans de Goede
Date: Tue Jan 12 2021 - 13:39:50 EST


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