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[35.245.224.76]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-45da764043esm33801921cf.88.2024.10.08.00.06.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Oct 2024 00:06:15 -0700 (PDT) From: Ricardo Ribalda Subject: [PATCH 0/3] media: uvcvideo: Support partial control reads and minor changes Date: Tue, 08 Oct 2024 07:06:13 +0000 Message-Id: <20241008-uvc-readless-v1-0-042ac4581f44@chromium.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAOXZBGcC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIxNDAwML3dKyZN2i1MSUnNTiYl0j4zTLJIvkxBSDJGMloJaCotS0zAqwcdG xtbUA3vPO/l4AAAA= To: Laurent Pinchart , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Ricardo Ribalda , stable@vger.kernel.org X-Mailer: b4 0.13.0 Some cameras do not return all the bytes requested from a control if it can fit in less bytes. Eg: returning 0xab instead of 0x00ab. Support these devices. Also, now that we are at it, improve uvc_query_ctrl(). Signed-off-by: Ricardo Ribalda --- Ricardo Ribalda (3): media: uvcvideo: Support partial control reads media: uvcvideo: Refactor uvc_query_ctrl media: uvcvideo: Add more logging to uvc_query_ctrl_error() drivers/media/usb/uvc/uvc_video.c | 44 +++++++++++++++++++++++++-------------- 1 file changed, 28 insertions(+), 16 deletions(-) --- base-commit: 9852d85ec9d492ebef56dc5f229416c925758edc change-id: 20241008-uvc-readless-23f9b8cad0b3 Best regards, -- Ricardo Ribalda