The uvc standard recognizes 4 different values for this control, but we
were only using the first 3.

Also add a quirk for those devices that only support 50 and 60 Hz.

Ricardo Ribalda (4):
  media: uvcvideo: Add missing value for power_line_frequency
  media: uvcvideo: Add UVC_QUIRK_LIMITED_POWERLINE
  media: uvcvideo: Add LIMITED_POWERLINE quirks for Quanta UVC Webcam
  media: uvcvideo: Add LIMITED_POWERLINE quirks for Chicony Easycamera

 drivers/media/usb/uvc/uvc_ctrl.c   | 28 ++++++++++++++++++++++++++++
 drivers/media/usb/uvc/uvc_driver.c | 27 +++++++++++++++++++++++++++
 drivers/media/usb/uvc/uvcvideo.h   |  1 +
 3 files changed, 56 insertions(+)

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2.36.1.124.g0e6072fb45-goog