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

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Message-Id: <20241210-uvc-data-backup-v1-0-77141e439cc3@chromium.org>
Date: Tue, 10 Dec 2024 22:22:21 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Hans de Goede <hdegoede@...hat.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Ricardo Ribalda <ribalda@...omium.org>, stable@...nel.org
Subject: [PATCH 0/3] media: uvcvideo: Make sure the ctrl cache is in sync
 with the device

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@...omium.org>
---
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@...omium.org>