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[80.71.134.83]) by smtp.gmail.com with ESMTPSA id t15-20020aa7d4cf000000b0046c53c3b2dfsm111981edr.38.2022.12.02.08.45.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Dec 2022 08:45:15 -0800 (PST) From: Ricardo Ribalda Date: Fri, 02 Dec 2022 17:45:06 +0100 Subject: [PATCH RESEND v2 1/2] media: uvcvideo: Limit power line control for Acer EasyCamera MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20221101-easycam-v2-1-ffe3e3a152df@chromium.org> References: <20221101-easycam-v2-0-ffe3e3a152df@chromium.org> In-Reply-To: <20221101-easycam-v2-0-ffe3e3a152df@chromium.org> To: Mauro Carvalho Chehab , Laurent Pinchart Cc: Sergey Senozhatsky , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, Ricardo Ribalda X-Mailer: b4 0.11.0-dev-696ae X-Developer-Signature: v=1; a=openpgp-sha256; l=1795; i=ribalda@chromium.org; h=from:subject:message-id; bh=p2q94kR+vhAMdPTWu0QPZfb6YaqxhRkENb+/7vNPhJY=; b=owEBbQKS/ZANAwAKAdE30T7POsSIAcsmYgBjiiuXkfHKoKbGsfejnSL9XOArIlm3zi731T00oRh6 MZmU7QaJAjMEAAEKAB0WIQREDzjr+/4oCDLSsx7RN9E+zzrEiAUCY4orlwAKCRDRN9E+zzrEiGbGD/ 9dJlDD4glfqsu2BFSqEpdWEJB5+aIi2c37rimUb+0zr/GzV9+1JjZiWl7YIQVI1EmcmD82hs2T11aK oZDjJwC4OqgsLgAtlEOKmHr6+qGTKbWi3u5NBN+uhN+uYea01lKMjWeeibpfAwQ1nYyiM2d74/Tpud gD1X74V5QZVsMuB2StZg8HfUwhE310bPB0cgyw212v2dHUPRzIGWzaAXk8dPxnwMuV/vlQnXtdmMFN MT5T0mue6Ba3ohg5ERAtw63hA4mhMNRYH3++3ClRjgJ/KMwFZqQasScO18ZeFQX2VQvguPk0V1eSkr qbcQko+663P2S06W1ekrPAIlrSJGntZOV7vmlzuRrJnMX77VFcWb4qCM2dZjOlKUrAKlXVWOYdR5B4 1t2Ez6qvw300rZQhrUpLsNU5l6k/Zce9UT1Jw/Jbs2Zoph01kkA90uyz7WxuNxTrHQZiqONUS2aVLG vckY+Z0s+PehvHbqNJ2rKVpnxq0XIO+aywap0qpRrxMoNa5n135PiGv4mJefFF9PI7KmhvhppSt+vR jAv1NM2dzK9em1yxIOck5aVC23vC/VSSwwrvdoSoTzz3rYY4E+xCRhhhUP5FfMSP4vrW2YTTIb20gx aPPAjJnU+hh4mTrMOKdQosoZv/+uO4HByupsDy6lB5ae1OgG7TEQnVgySPvw== X-Developer-Key: i=ribalda@chromium.org; a=openpgp; fpr=9EC3BB66E2FC129A6F90B39556A0D81F9F782DA9 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The device does not implement the power line control correctly. Add a corresponding control mapping override. Bus 003 Device 002: ID 5986:1180 Acer, Inc EasyCamera Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x5986 Acer, Inc idProduct 0x1180 bcdDevice 56.04 iManufacturer 3 Bison iProduct 1 EasyCamera iSerial 2 bNumConfigurations 1 Signed-off-by: Ricardo Ribalda Reviewed-by: Sergey Senozhatsky --- drivers/media/usb/uvc/uvc_driver.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 215fb483efb0..cca3012c8912 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -2994,6 +2994,15 @@ static const struct usb_device_id uvc_ids[] = { .bInterfaceSubClass = 1, .bInterfaceProtocol = 0, .driver_info = (kernel_ulong_t)&uvc_ctrl_power_line_limited }, + /* Acer EasyCamera */ + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x5986, + .idProduct = 0x1180, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = (kernel_ulong_t)&uvc_ctrl_power_line_limited }, /* Intel RealSense D4M */ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, -- 2.39.0.rc0.267.gcb52ba06e7-goog-b4-0.11.0-dev-696ae