linux-kernel - Re: [PATCH] HID: quirks: Add another Chicony HP 5MP Cameras to hid_ignore

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Message-ID: <sjljzdoam65der4eedu6a4zk7glnqmijh47oez7m5dp23oybqr@eet3zqhulxev>
Date: Wed, 7 Jan 2026 15:25:40 +0100
From: Benjamin Tissoires <bentiss@...nel.org>
To: Chris Chiu <chris.chiu@...onical.com>
Cc: jikos@...nel.org, linux-input@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: quirks: Add another Chicony HP 5MP Cameras to
 hid_ignore_list

On Jan 06 2026, Chris Chiu wrote:
> Another Chicony Electronics HP 5MP Camera with USB ID 04F2:B882
> reports a HID sensor interface that is not actually implemented.
> 
> Add the device to the HID ignore list so the bogus sensor is never
> exposed to userspace. Then the system won't hang when runtime PM
> tries to wake the unresponsive device.
> 
> Signed-off-by: Chris Chiu <chris.chiu@...onical.com>


This looks lie a resend of https://lore.kernel.org/linux-input/20260102065643.1832426-1-chris.chiu@canonical.com/T/#u

In the future, please mark them as such ("PATCH Resend"), or change the
version number. Ansd as a general rule of thumb, don't resend a patch
after just 4 days. Worse case, send a reply with a ping in the original
submission.

Cheers,
Benjamin

> ---
>  drivers/hid/hid-ids.h    | 1 +
>  drivers/hid/hid-quirks.c | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index d31711f1aaecc..e8a1a86313b74 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -317,6 +317,7 @@
>  #define USB_DEVICE_ID_CHICONY_ACER_SWITCH12	0x1421
>  #define USB_DEVICE_ID_CHICONY_HP_5MP_CAMERA	0xb824
>  #define USB_DEVICE_ID_CHICONY_HP_5MP_CAMERA2	0xb82c
> +#define USB_DEVICE_ID_CHICONY_HP_5MP_CAMERA3	0xb882
>  
>  #define USB_VENDOR_ID_CHUNGHWAT		0x2247
>  #define USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH	0x0001
> diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
> index c89a015686c07..3cf7971d49743 100644
> --- a/drivers/hid/hid-quirks.c
> +++ b/drivers/hid/hid-quirks.c
> @@ -769,6 +769,7 @@ static const struct hid_device_id hid_ignore_list[] = {
>  	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
>  	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_HP_5MP_CAMERA) },
>  	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_HP_5MP_CAMERA2) },
> +	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_HP_5MP_CAMERA3) },
>  	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
>  	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
>  	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
> -- 
> 2.34.1
>