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[5.255.96.200]) by smtp.gmail.com with ESMTPSA id p5sm2824760ejm.115.2021.06.12.01.35.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 12 Jun 2021 01:35:41 -0700 (PDT) Subject: Re: Logilink DVB-T2 stick VG0022A To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Sean Young , Gon Solo , Antti Palosaari Cc: linux-media@vger.kernel.org References: <20210611144917.26rvhietmpbuuo5p@pengutronix.de> From: Tomasz Maciej Nowak Message-ID: <6934ee17-9dd7-fdc2-9629-cfff286a8031@gmail.com> Date: Sat, 12 Jun 2021 10:35:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210611144917.26rvhietmpbuuo5p@pengutronix.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org W dniu 11.06.2021 o 16:49, Uwe Kleine-König pisze: > Hello, Hi Uwe. > > I have a Logilink VG0022A stick and when I plug it in I get: > > [ 426.019171] usb 1-1.3: new high-speed USB device number 5 using xhci-hcd > [ 426.171443] usb 1-1.3: New USB device found, idVendor=1d19, idProduct=0100, bcdDevice= 1.00 > [ 426.172184] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > [ 426.172822] usb 1-1.3: Product: TS Aggregator > [ 426.173205] usb 1-1.3: Manufacturer: ITE Tech., Inc. > [ 426.173641] usb 1-1.3: SerialNumber: AF0102020700001 > [ 426.180314] dvb_usb_af9035 1-1.3:1.0: prechip_version=83 chip_version=01 chip_type=9306 > [ 426.181324] usb 1-1.3: dvb_usb_v2: found a 'Logilink VG0022A' in cold state > [ 426.182034] usb 1-1.3: firmware: direct-loading firmware dvb-usb-it9303-01.fw > [ 426.182666] usb 1-1.3: dvb_usb_v2: downloading firmware from file 'dvb-usb-it9303-01.fw' > [ 426.221915] dvb_usb_af9035 1-1.3:1.0: firmware version=1.4.0.0 > [ 426.222456] usb 1-1.3: dvb_usb_v2: found a 'Logilink VG0022A' in warm state > [ 426.224991] usb 1-1.3: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer > [ 426.225998] dvbdev: DVB: registering new adapter (Logilink VG0022A) > [ 426.226551] usb 1-1.3: media controller created > [ 426.229845] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. > [ 426.454279] i2c i2c-9: Added multiplexed i2c bus 10 > [ 426.454726] si2168 9-0067: Silicon Labs Si2168-B40 successfully identified > [ 426.455377] si2168 9-0067: firmware version: B 4.0.2 > [ 426.458522] usb 1-1.3: DVB: registering adapter 0 frontend 0 (Silicon Labs Si2168)... > [ 426.460236] dvbdev: dvb_create_media_entity: media entity 'Silicon Labs Si2168' registered. > [ 426.469300] si2157 10-0063: Silicon Labs Si2147/2148/2157/2158 successfully attached > [ 426.489642] usb 1-1.3: dvb_usb_v2: 'Logilink VG0022A' successfully initialized and connected > > which looks fine. But when I try to use it (using mumudvb2) I get: > > [ 479.915150] si2168 9-0067: firmware: direct-loading firmware dvb-demod-si2168-b40-01.fw > [ 479.915871] si2168 9-0067: downloading firmware from file 'dvb-demod-si2168-b40-01.fw' > [ 480.436016] si2168 9-0067: firmware version: B 4.0.11 > [ 480.444089] si2157 10-0063: device is buggy, skipping firmware download > [ 480.496756] si2157 10-0063: firmware version: �.�.255 That is to be expected, the device provides its own (patched?) firmware. This output is very similar to what I have and it works fine. Tested reception on both DVB-T standards with kaffeine, mumudvb2 tip and t2scan. You'll see the second part of dmesg message each time You'll switch the channel or start tuning. > > and it fails to tune. > > Do you have a hint? What differentiates between Your configuration and mine is I tested the stick in USB 2.0 port. Also what I'm missing from Your log is loading of dvb-demod-si2168-02.fw, I assume it's present, since the driver doesn't complain. I don't know if it's enough of a hint, since I'm not 100% sure if my TerraTec TC2 Stick is exactly the same as VG0022A, but hope it helps > > Best regards > Uwe > Regards, Tomek. -- TMN