linux-kernel - Re: [PATCH] HID: quirks: Add quirk for another Chicony Electronics HP 5MP Camera

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Message-ID: <nprssrno-r06q-8611-4rr9-n5918q0829nr@xreary.bet>
Date: Thu, 24 Apr 2025 11:35:37 +0200 (CEST)
From: Jiri Kosina <jikos@...nel.org>
To: "Chia-Lin Kao (AceLan)" <acelan.kao@...onical.com>
cc: Benjamin Tissoires <bentiss@...nel.org>, linux-input@...r.kernel.org, 
    linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: quirks: Add quirk for another Chicony Electronics
 HP 5MP Camera

On Fri, 21 Mar 2025, Chia-Lin Kao (AceLan) wrote:

> On Fri, Mar 21, 2025 at 10:25:40AM +0800, Chia-Lin Kao (AceLan) wrote:
> > The Chicony Electronics HP 5MP Camera (USB ID 04F2:B824) reports a HID
> > sensor interface that is not actually implemented. Attempting to access
> > this non-functional sensor via iio_info causes system hangs as runtime PM
> > tries to wake up an unresponsive sensor.
> > 
> > Add this device to the HID ignore list since the sensor interface is
> > non-functional by design and should not be exposed to userspace.
> We found another Chicony device with the same issue.
> Please apply this patch after the previous submitted one.
> Thanks.
> 
> https://lore.kernel.org/lkml/20250312063532.551938-1-acelan.kao@canonical.com/T/

Similarly to previous one, why are you adding to hid_have_special_driver[] 
instead of hid_ignore_list[]?

Thanks,

-- 
Jiri Kosina
SUSE Labs