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Subject: [PATCH v2 0/8] [RESEND] [PATCH 0/8] uvcvideo: Fixes for hw timestamping
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From:   Ricardo Ribalda <ribalda@chromium.org>
Date:   Thu, 03 Nov 2022 14:40:41 +0100
Message-Id: <20220920-resend-hwtimestamp-v2-0-d8d0616bb612@chromium.org>
To:     Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>
Cc:     HungNien Chen <hn.chen@sunplusit.com>,
        linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
        Ricardo Ribalda <ribalda@chromium.org>
Precedence: bulk

Add some fixes for fixing hw timestamp on some Logitech and Sunplus
cameras. The issues have been previously reported to the manufacturers.

Also include a patch to fix the current hw timestamping logic for ANY
uvc 1.5 model running at under 16 fps.

To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-media@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: hn.chen <hn.chen@sunplusit.com>
Tested-by: HungNien Chen <hn.chen@sunplusit.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>

---
Changes in v2:
- Require 1/4 sec of data before using the hw timestamps
- Add Tested-by SunplusIT
- Link to v1: https://lore.kernel.org/r/20220920-resend-hwtimestamp-v1-0-e9c14b258404@chromium.org

---
Ricardo Ribalda (8):
      media: uvc: Extend documentation of uvc_video_clock_decode()
      media: uvc: Allow quirking by entity guid
      media: uvc: Create UVC_QUIRK_IGNORE_EMPTY_TS quirk
      media: uvcvideo: Quirk for invalid dev_sof in Logi C922
      media: uvcvideo: Quirk for autosuspend in Logi C910
      media: uvcvideo: Allow hw clock updates with buffers not full
      media: uvcvideo: Refactor clock circular buffer
      media: uvcvideo: Fix hw timestampt handling for slow FPS

 drivers/media/usb/uvc/uvc_driver.c |  63 ++++++++++++++++++
 drivers/media/usb/uvc/uvc_video.c  | 127 ++++++++++++++++++++++++-------------
 drivers/media/usb/uvc/uvcvideo.h   |   4 ++
 3 files changed, 150 insertions(+), 44 deletions(-)
---
base-commit: 521a547ced6477c54b4b0cc206000406c221b4d6
change-id: 20220920-resend-hwtimestamp-b3e22729284d

Best regards,
-- 
Ricardo Ribalda <ribalda@chromium.org>