Re: [PATCH v3] media: uvcvideo: limit power line control for Sonix Technology

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Hello Huang Lei,

Thank you for the patch.

On Sat, Aug 20, 2022 at 08:56:58AM +0800, huanglei wrote:
> From: huanglei <huanglei@xxxxxxxxxx>
> 
> The device does not implement the power line control correctly. Add a
> corresponding control mapping override.
> 
> Bus 003 Device 003: ID 3277:0072 Sonix Technology Co., Ltd. USB 2.0 Camera
> Device Descriptor:
>   bLength                18
>   bDescriptorType         1
>   bcdUSB               2.00
>   bDeviceClass          239 Miscellaneous Device
>   bDeviceSubClass         2
>   bDeviceProtocol         1 Interface Association
>   bMaxPacketSize0        64
>   idVendor           0x3277
>   idProduct          0x0072
>   bcdDevice            1.00
>   iManufacturer           2 Sonix Technology Co., Ltd.
>   iProduct                1 USB 2.0 Camera
>   iSerial                 3 REV0001
>   bNumConfigurations      1
> 
> Signed-off-by: huanglei <huanglei@xxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
>  drivers/media/usb/uvc/uvc_driver.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
> index 9c05776f11d1..e8f823685139 100644
> --- a/drivers/media/usb/uvc/uvc_driver.c
> +++ b/drivers/media/usb/uvc/uvc_driver.c
> @@ -3264,6 +3264,15 @@ static const struct usb_device_id uvc_ids[] = {
>  	  .bInterfaceSubClass	= 1,
>  	  .bInterfaceProtocol	= 0,
>  	  .driver_info		= UVC_INFO_QUIRK(UVC_QUIRK_FORCE_BPP) },
> +	/* Sonix Technology USB 2.0 Camera */
> +	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
> +				| USB_DEVICE_ID_MATCH_INT_INFO,
> +	  .idVendor		= 0x3277,
> +	  .idProduct		= 0x0072,
> +	  .bInterfaceClass	= USB_CLASS_VIDEO,
> +	  .bInterfaceSubClass	= 1,
> +	  .bInterfaceProtocol	= 0,
> +	  .driver_info		= (kernel_ulong_t)&uvc_ctrl_power_line_limited },
>  	/* Acer EasyCamera */
>  	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
>  				| USB_DEVICE_ID_MATCH_INT_INFO,

-- 
Regards,

Laurent Pinchart



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