The uvc 1.5 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. v2: Thanks Laurent! Do not modify the behaviour of v1.1 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 | 91 ++++++++++++++++++++++++++---- drivers/media/usb/uvc/uvc_driver.c | 27 +++++++++ drivers/media/usb/uvc/uvcvideo.h | 1 + 3 files changed, 107 insertions(+), 12 deletions(-) -- 2.36.1.124.g0e6072fb45-goog