Re: 答复: 答复: [PATCH v2] usb: gadget: uvc: Fixed the abnormal enumeration problem of mobile phone as UVC camera.

[gregkh@xxxxxxxxxxxxxxxxxxx]

On Wed, Jul 31, 2024 at 09:39:16AM +0000, 胡连勤 wrote:
> When the phone is connected to the computer to use the webcam function,
> the phone needs to be enumerated as a uvc camera function.
> 
> Because uvc->func.bind_deactivated is configured as true in the f_uvc
> driver uvc_alloc function, the usb_gadget_deactivate function is called
> during the execution of the configfs_composite_bind function to
> set gadget->deactivated to true, which in turn causes the
> usb_gadget_connect_locked function to fail to call the corresponding
> controller pullup operation (such as: dwc3_gadget_pullup,
> mtu3_gadget_pullup), and the USB cannot be enumerated
> normally under the uvc function combination.
> 
> After applying this patch, we measured that under the uvc function,
> the dwc3 controller and the mtu3 controller can be enumerated normally,
> and the webcam function is normal.
> 
> Therefore, modify the f_uvc driver to remove the operation of setting
> uvc->func.bind_deactivated to true.
> 
> Signed-off-by: Lianqin Hu <hulianqin@xxxxxxxx>
> ---
> v2:
>   - Modify "Fixes:" tag on the commit
>   - Modify description information.

I see no "Fixes:" tag here :(