linux-kernel - [PATCH 0/4] uvcvideo: Fix handling of power_line

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Date:   Thu, 19 May 2022 17:40:55 +0200
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tomasz Figa <tfiga@...omium.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Yunke Cao <yunkec@...gle.com>
Cc:     Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH 0/4] uvcvideo: Fix handling of power_line_frequency

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