linux-kernel - Re: [PATCH v2 0/7] Add camera access keys, IdeaPad driver improvements

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Date:   Tue, 8 Nov 2022 11:56:14 +0800
From:   Ike Panhc <ike.pan@...onical.com>
To:     Eray Orçunus <erayorcunus@...il.com>,
        platform-driver-x86@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
        jikos@...nel.org, benjamin.tissoires@...hat.com,
        dmitry.torokhov@...il.com, hdegoede@...hat.com,
        mgross@...ux.intel.com, pobrn@...tonmail.com
Subject: Re: [PATCH v2 0/7] Add camera access keys, IdeaPad driver
 improvements

On 10/29/22 20:03, Eray Orçunus wrote:
> Nowadays many laptops have camera access keys, yet there is no usage codes
> mapped to them, even though it's introduced in HUTRR72. Start point of
> this patch series was adding it and making IdeaPads send it to userspace.
> But later I discovered that camera_power attribute of ideapad-laptop
> driver on my IdeaPad 520-15IKB doesn't work, so I can't toggle it with
> that. I managed to find a way to check whether an IdeaPad supports
> camera_power attribute (which sends VPCCMD_W_CAMERA to EC), don't expose
> it to sysfs so userspace will know that it can't toggle camera access via
> camera_power, in my case, after receiving KEY_CAMERA_ACCESS_TOGGLE.
> 
> Along the way I discovered that old IdeaPads, like S10-3, may not be able
> to toggle their touchpad as a regression of a commit aimed for newer
> IdeaPads, so I reverted it.
> 
> Also I noticed that I can get/set the state of my keyboard light,
> so one of the patches also adds supports for this kind of keyboard lights,
> which I call "partially supported keyboard lights". I expect that commit
> to add keyboard light support for 520-15IKB, 330-17ICH, 5 (15) and more.
> Currently only tested on 520-15IKB.

Thanks. Also test on my ideapad s410 and it looks good.

Acked-by: Ike Panhc <ike.pan@...onical.com>