linux-kernel - Re: [PATCH] media: uvcvideo: limit power line control for Sonix Technology

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Message-ID: <CANiDSCu_RMx6mA54uUxsbF+oLw9PsWhrSR4U-dHASqPwnwB-3Q@mail.gmail.com>
Date:   Fri, 12 Aug 2022 14:25:31 +0200
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     huanglei <huanglei@...inos.cn>
Cc:     laurent.pinchart@...asonboard.com, mchehab@...nel.org,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: uvcvideo: limit power line control for Sonix Technology

Hi huanglei

Thanks for your patch

Don't you have to add a field:

.driver_info = (kernel_ulong_t)&uvc_ctrl_power_line_limited },

to your quirk?


Regards!

On Fri, 12 Aug 2022 at 14:16, huanglei <huanglei@...inos.cn> wrote:
>
> 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@...inos.cn>
> ---
>  drivers/media/usb/uvc/uvc_driver.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
> index 9c05776f11d1..48f4d755a584 100644
> --- a/drivers/media/usb/uvc/uvc_driver.c
> +++ b/drivers/media/usb/uvc/uvc_driver.c
> @@ -3282,6 +3282,14 @@ static const struct usb_device_id uvc_ids[] = {
>           .bInterfaceSubClass   = 1,
>           .bInterfaceProtocol   = 0,
>           .driver_info          = UVC_INFO_META(V4L2_META_FMT_D4XX) },
> +       /* 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_VENDOR_SPEC,
> +         .bInterfaceSubClass   = 1,
> +         .bInterfaceProtocol   = 0 },
>         /* Generic USB Video Class */
>         { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_UNDEFINED) },
>         { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_15) },
> --
> 2.17.1
>
>
> No virus found
>                 Checked by Hillstone Network AntiVirus



-- 
Ricardo Ribalda