Add some fixes for fixing hw timestamp on some Logitech and SunplusIT 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@xxxxxxxxxxxxxxxx> To: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> Cc: linux-media@xxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx Cc: hn.chen <hn.chen@xxxxxxxxxxxxx> Tested-by: HungNien Chen <hn.chen@xxxxxxxxxxxxx> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> --- Changes in v3 (Thanks Laurent!): - Rebase on top of pinchart/uvc/next - Fix hw timestampt handling for slow FPS - Improve commit message - Quirk for invalid dev_sof in Logi C922 - Improve commit message - Allow hw clock updates with buffers not full - Fix typo and improve messages - Refactor clock circular buffer - Improve commit message - Quirk for autosuspend in Logi C910 - Improve commit message - Add comments around the quirk - Create UVC_QUIRK_IGNORE_EMPTY_TS quirk - Improve comments - Allow quirking by entity guid - unsinged int - Extend documentation of uvc_video_clock_decode() - uvcvideo on commit message - Improve comment - Link to v2: https://lore.kernel.org/r/20220920-resend-hwtimestamp-v2-0-d8d0616bb612@xxxxxxxxxxxx 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@xxxxxxxxxxxx --- Ricardo Ribalda (8): media: uvcvideo: 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 Logitech C922 media: uvcvideo: Quirk for autosuspend in Logitech B910 and C910 media: uvcvideo: Allow hw clock updates with buffers not full media: uvcvideo: Refactor clock circular buffer media: uvcvideo: Fix hw timestamp handling for slow FPS drivers/media/usb/uvc/uvc_driver.c | 63 +++++++++++++++++ drivers/media/usb/uvc/uvc_video.c | 136 +++++++++++++++++++++++++------------ drivers/media/usb/uvc/uvcvideo.h | 4 ++ 3 files changed, 158 insertions(+), 45 deletions(-) --- base-commit: 58540610e464d8b2ba46a11b81c3e6fcc4118fae change-id: 20220920-resend-hwtimestamp-b3e22729284d Best regards, -- Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
