media: uvcvideo: Limit power line control for Acer EasyCamera

The device does not implement the power line control correctly. Add a
corresponding control mapping override.

Bus 003 Device 002: ID 5986:1180 Acer, Inc EasyCamera
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x5986 Acer, Inc
  idProduct          0x1180
  bcdDevice           56.04
  iManufacturer           3 Bison
  iProduct                1 EasyCamera
  iSerial                 2
  bNumConfigurations      1

Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 5f6e0da..80ccb42 100644 (file)
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -2987,6 +2987,15 @@ static const struct usb_device_id uvc_ids[] = {
          .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,
+         .idVendor             = 0x5986,
+         .idProduct            = 0x1180,
+         .bInterfaceClass      = USB_CLASS_VIDEO,
+         .bInterfaceSubClass   = 1,
+         .bInterfaceProtocol   = 0,
+         .driver_info          = (kernel_ulong_t)&uvc_ctrl_power_line_limited },
        /* Intel RealSense D4M */
        { .match_flags          = USB_DEVICE_ID_MATCH_DEVICE
                                | USB_DEVICE_ID_MATCH_INT_INFO,