Hi Laurent On Sun, 15 Jan 2023 at 21:47, Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > > Hi Giuliano, > > (CC'ing linux-media and Ricardo) > > On Tue, Jan 10, 2023 at 02:11:54PM +0100, Giuliano Lotta wrote: > > UPDATE: > > after resuming the nobebook, the system crashed with the following message: > > > > usb 3-6: Failed to query (SET_CUR) UVC control 4 on unit 1: -32 (exp. 4) > > uvcvideo 3-6:1.0: reset_resume error -5 > > > > WHERE / HOW may I find other useful information to debug the problem ? > > That doesn't seem like a crash, but it's not nice. Does the webcam stop > functioning after that ? > > Ricardo, the device is a > > Bus 003 Device 003: ID 0408:4035 Quanta Computer, Inc. ACER HD User Facing > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 2.01 > bDeviceClass 239 Miscellaneous Device > bDeviceSubClass 2 > bDeviceProtocol 1 Interface Association > bMaxPacketSize0 64 > idVendor 0x0408 Quanta Computer, Inc. > idProduct 0x4035 > bcdDevice 0.04 > iManufacturer 1 Quanta > iProduct 2 ACER HD User Facing > iSerial 3 01.00.00 > bNumConfigurations 1 > > Does it ring a bell ? I could not find anything with 4035 on the ChromeOS componnet database. Quanta uses different ISPs on their modules, so it is not straightforward to figure out the ISP vendor :( > > > Il giorno mar 10 gen 2023 alle ore 12:21 Laurent Pinchart ha scritto: > > > On Tue, Jan 10, 2023 at 07:57:21AM +0100, Giuliano Lotta wrote: > > > > Hi Laurent, > > > > I just realized that the VIDOE has NO AUDIO.... > > > > > > > > Trying a webcam test site like : https://it.webcamtests.com/ > > > > it says that the webcam does not have a microphone. > > > > > > > > Any idea on how to solve this problem ? > > > > > > Well, your webcam does not have a microphone :-) It's integrated in a > > > laptop, so audio is handled through your laptop audio device. > > -- > Regards, > > Laurent Pinchart -- Ricardo Ribalda