[PATCH 0/3] media: uvcvideo: Make sure the ctrl cache is in sync with the device

From: Ricardo Ribalda
Date: Tue Dec 10 2024 - 17:22:37 EST


Hans discovered a bug in the error handling of uvc_ctrl_commit(), lets
fix it.

It has been tested with v4l2-compliance -d /dev/video0

Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
---
Ricardo Ribalda (3):
media: uvcvideo: Return the number of processed controls
media: uvcvideo: Do not send events for not changed controls
media: uvcvideo: Rollback non processed entities on error

drivers/media/usb/uvc/uvc_ctrl.c | 54 +++++++++++++++++++++++++++++++---------
1 file changed, 42 insertions(+), 12 deletions(-)
---
base-commit: 6c10d1adae82e1c8da16e7ebd2320e69f20b9d6f
change-id: 20241210-uvc-data-backup-a0a76df9aee9

Best regards,
--
Ricardo Ribalda <ribalda@xxxxxxxxxxxx>