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@xxxxxxxxxxxxx/T/ > > Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@xxxxxxxxxxxxx> > --- > 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 5fdea9116a3e..554dbed3f3ed 100644 > --- a/drivers/hid/hid-ids.h > +++ b/drivers/hid/hid-ids.h > @@ -298,6 +298,7 @@ > #define USB_DEVICE_ID_CHICONY_TOSHIBA_WT10A 0x1408 > #define USB_DEVICE_ID_CHICONY_ACER_SWITCH12 0x1421 > #define USB_DEVICE_ID_CHICONY_HP_5MB_CAMERA 0xb82c > +#define USB_DEVICE_ID_CHICONY_HP_5MB_CAMERA2 0xb824 > > #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 452fac15550b..91b3d121bb1f 100644 > --- a/drivers/hid/hid-quirks.c > +++ b/drivers/hid/hid-quirks.c > @@ -371,6 +371,7 @@ static const struct hid_device_id hid_have_special_driver[] = { > { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) }, > { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) }, > { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_HP_5MB_CAMERA) }, > + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_HP_5MB_CAMERA2) }, > #endif > #if IS_ENABLED(CONFIG_HID_CMEDIA) > { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) }, > -- > 2.43.0
