Re: [linux-uvc-devel] Trouble with 0bda:5801 - blank screen

[Jack <ost...@us...>]

On 2021.11.11 16:40, Michał Bojanowski wrote:
> Hi!
> 
> I have a HP ProBook 6450b laptop running xubuntu 20.04.3 LTS and  
> cannot
> get the built-in camera (0bda:5801) to work. When I run `cheese` or
> `guvcview` the LED over the screen lights-up but both programs show a
> blank screen.
> 
> I have surfed the internet looking for solution and tried few things
> without success.
> 
> I'm writing you to rule-out that the driver is the problem and perhaps
> also to get some help how to further debug this problem. Please see
> below for various diagnostic output. Any help will be greatly
> appreciated! Thank you in advance.

In guvcview, on the "Video Controls" tab, have you tried all the  
options for Camera Output?  I haven't had a completely black output,  
but I have found that setting can make a huge difference.