Commit 6180056b authored by Ricardo Ribalda's avatar Ricardo Ribalda Committed by Mauro Carvalho Chehab
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media: uvcvideo: Fix power line control for SunplusIT camera 



The device does not implement the power line frequency control
correctly. It is a UVC 1.5 device, but implements the control as a UVC
1.1 device.

Add the corresponding control mapping override.

Bus 003 Device 002: ID 2b7e:b752 SunplusIT Inc HD Camera
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.01
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x2b7e
  idProduct          0xb752
  bcdDevice            0.04
  iManufacturer           1 SunplusIT Inc
  iProduct                2 HD Camera
  iSerial                 3 01.00.00
  bNumConfigurations      1

Cc: Yunke Cao <yunkec@chromium.org>
Signed-off-by: default avatarRicardo Ribalda <ribalda@chromium.org>
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent 323666d1

drivers/media/usb/uvc/uvc_driver.c

+9 −0
Original line number Diff line number Diff line
@@ -3003,6 +3003,15 @@ static const struct usb_device_id uvc_ids[] = { 
	  .bInterfaceSubClass	= 1,

	  .bInterfaceProtocol	= 0,

	  .driver_info		= UVC_INFO_QUIRK(UVC_QUIRK_FORCE_BPP) },

	/* SunplusIT Inc HD Camera */

	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE

				| USB_DEVICE_ID_MATCH_INT_INFO,

	  .idVendor		= 0x2b7e,

	  .idProduct		= 0xb752,

	  .bInterfaceClass	= USB_CLASS_VIDEO,

	  .bInterfaceSubClass	= 1,

	  .bInterfaceProtocol	= UVC_PC_PROTOCOL_15,

	  .driver_info		= (kernel_ulong_t)&uvc_ctrl_power_line_uvc11 },

	/* Lenovo Integrated Camera */

	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE

				| USB_DEVICE_ID_MATCH_INT_INFO,