diff options
| author |  Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| 2020-11-20 11:57:48 +0100 |
|---|---|---|
| committer |  Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
| 2021-01-27 14:45:55 +0100 |
| commit | b400b6f28af040d55b4eb397ea7b8ece368c6b12 (patch) | |
| tree | 33ff70d142937feaba9191e85f2f0085f6f60765 /drivers/media | |
| parent | media: zr364xx: fix memory leaks in probe() (diff) | |
| download | linux-b400b6f28af040d55b4eb397ea7b8ece368c6b12.tar.gz linux-b400b6f28af040d55b4eb397ea7b8ece368c6b12.tar.bz2 linux-b400b6f28af040d55b4eb397ea7b8ece368c6b12.zip | |
media: uvcvideo: Force UVC version to 1.0a for 1bcf:0b40
The Shenzhen Aoni Electronic Co.,Ltd 2K FHD camera reports a UVC 1.10
version, but implements UVC 1.0a as shown by the UVC probe control being
26 bytes long. Force the UVC version for that device.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reported-by: Doncho Minkov <donchominkov@gmail.com>
Tested-by: Doncho Minkov <donchominkov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_driver.c | 17 | ||||
| -rw-r--r-- | drivers/media/usb/uvc/uvcvideo.h | 1 |
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index ddb9eaa11be7..ae970f19bfca 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -2274,6 +2274,12 @@ static int uvc_probe(struct usb_interface *intf, "linux-uvc-devel mailing list.\n"); } + if (dev->info->uvc_version) { + dev->uvc_version = dev->info->uvc_version; + uvc_printk(KERN_INFO, "Forcing UVC version to %u.%02x\n", + dev->uvc_version >> 8, dev->uvc_version & 0xff); + } + /* Register the V4L2 device. */ if (v4l2_device_register(&intf->dev, &dev->vdev) < 0) goto error; @@ -2923,6 +2929,17 @@ static const struct usb_device_id uvc_ids[] = { .bInterfaceSubClass = 1, .bInterfaceProtocol = 0, .driver_info = (kernel_ulong_t)&uvc_quirk_probe_minmax }, + /* Shenzhen Aoni Electronic Co.,Ltd 2K FHD camera */ + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x1bcf, + .idProduct = 0x0b40, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = (kernel_ulong_t)&(const struct uvc_device_info){ + .uvc_version = 0x010a, + } }, /* SiGma Micro USB Web Camera */ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index a3dfacf069c4..8ec9eca07f06 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -635,6 +635,7 @@ static inline u32 uvc_urb_index(const struct uvc_urb *uvc_urb) struct uvc_device_info { u32 quirks; u32 meta_format; + u16 uvc_version; }; struct uvc_device { |