linux-kernel - Re: [PATCH] HID: quirks: ignore non-functional sensor in HP 5MP Camera

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Message-ID: <q316oqno-q188-n7o4-90s0-pn9p2p47sso2@xreary.bet>
Date: Mon, 3 Feb 2025 11:16:53 +0100 (CET)
From: Jiri Kosina <jikos@...nel.org>
To: "Chia-Lin Kao (AceLan)" <acelan.kao@...onical.com>
cc: Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>, 
    Peter Zijlstra <peterz@...radead.org>, 
    Greg KH <gregkh@...uxfoundation.org>, linux-iio@...r.kernel.org, 
    linux-kernel@...r.kernel.org, 
    Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>, 
    Benjamin Tissoires <bentiss@...nel.org>, linux-input@...r.kernel.org
Subject: Re: [PATCH] HID: quirks: ignore non-functional sensor in HP 5MP
 Camera

On Wed, 15 Jan 2025, Chia-Lin Kao (AceLan) wrote:

> The HP 5MP Camera (USB ID 0408:5473) 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.
> 
>   [453] hid-sensor-hub 0003:0408:5473.0003: Report latency attributes: ffffffff:ffffffff
>   [453] hid-sensor-hub 0003:0408:5473.0003: common attributes: 5:1, 2:1, 3:1 ffffffff:ffffffff
> 
> Add this device to the HID ignore list since the sensor interface is
> non-functional by design and should not be exposed to userspace.
> 
> Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@...onical.com>

Applied, thank you.

-- 
Jiri Kosina
SUSE Labs