em2870 device undetected

em2870 device undetected

[Ingbert Braun]

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Dear developer,
I've a pinnacle pctv usb stick which is not supported. As mentioned in 
log, I'm sending the dmesg log to you:


hub 3-0:1.0: port 1: status 0101 change 0001
[ 1219.090245] hub 3-0:1.0: state 7 ports 4 chg 0002 evt 0000
[ 1219.090254] hub 3-0:1.0: port 1, status 0101, change 0000, 12 Mb/s
[ 1219.141055] hub 3-0:1.0: port 1 not reset yet, waiting 50ms
[ 1219.242697] usb 3-1: new high-speed USB device number 2 using xhci_hcd
[ 1219.254611] usb 3-1: default language 0x0409
[ 1219.257510] usb 3-1: udev 2, busnum 3, minor = 257
[ 1219.257514] usb 3-1: New USB device found, idVendor=eb1a, idProduct=2870
[ 1219.257517] usb 3-1: New USB device strings: Mfr=0, Product=1, 
SerialNumber=0
[ 1219.257520] usb 3-1: Product: USB 2870 Device
[ 1219.257658] usb 3-1: usb_probe_device
[ 1219.257660] usb 3-1: configuration #1 chosen from 1 choice
[ 1219.257725] usb 3-1: Successful Endpoint Configure command
[ 1219.257766] usb 3-1: adding 3-1:1.0 (config #1, interface 0)
[ 1219.277783] em28xx 3-1:1.0: usb_probe_interface
[ 1219.277786] em28xx 3-1:1.0: usb_probe_interface - got id
[ 1219.277789] em28xx: New device  USB 2870 Device @ 480 Mbps 
(eb1a:2870, interface 0, class 0)
[ 1219.277790] em28xx: Video interface 0 found
[ 1219.277791] em28xx: DVB interface 0 found
[ 1219.277813] em28xx #0: chip ID is em2870
[ 1219.352535] em28xx #0: i2c eeprom 00: 1a eb 67 95 1a eb 70 28 c0 12 
81 00 6a 22 00 00
[ 1219.352541] em28xx #0: i2c eeprom 10: 00 00 04 57 02 0d 00 00 00 00 
00 00 00 00 00 00
[ 1219.352545] em28xx #0: i2c eeprom 20: 44 00 00 00 f0 10 02 00 00 00 
00 00 5b 00 00 00
[ 1219.352549] em28xx #0: i2c eeprom 30: 00 00 20 40 20 80 02 20 01 01 
00 00 72 eb e4 49
[ 1219.352553] em28xx #0: i2c eeprom 40: 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00
[ 1219.352557] em28xx #0: i2c eeprom 50: 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00
[ 1219.352561] em28xx #0: i2c eeprom 60: 00 00 00 00 00 00 00 00 00 00 
22 03 55 00 53 00
[ 1219.352565] em28xx #0: i2c eeprom 70: 42 00 20 00 32 00 38 00 37 00 
30 00 20 00 44 00
[ 1219.352569] em28xx #0: i2c eeprom 80: 65 00 76 00 69 00 63 00 65 00 
00 00 00 00 00 00
[ 1219.352573] em28xx #0: i2c eeprom 90: 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00
[ 1219.352577] em28xx #0: i2c eeprom a0: 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00
[ 1219.352581] em28xx #0: i2c eeprom b0: 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00
[ 1219.352585] em28xx #0: i2c eeprom c0: 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00
[ 1219.352589] em28xx #0: i2c eeprom d0: 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00
[ 1219.352593] em28xx #0: i2c eeprom e0: 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00
[ 1219.352597] em28xx #0: i2c eeprom f0: 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00
[ 1219.352602] em28xx #0: EEPROM ID= 0x9567eb1a, EEPROM hash = 0x11fa5ec0
[ 1219.352604] em28xx #0: EEPROM info:
[ 1219.352604] em28xx #0:       No audio on board.
[ 1219.352605] em28xx #0:       500mA max power
[ 1219.352606] em28xx #0:       Table at 0x04, strings=0x226a, 0x0000, 
0x0000
[ 1219.390543] em28xx #0: found i2c device @ 0xa0 [eeprom]
[ 1219.393247] em28xx #0: found i2c device @ 0xc0 [tuner (analog)]
[ 1219.398489] em28xx #0: Your board has no unique USB ID and thus need 
a hint to be detected.
[ 1219.398491] em28xx #0: You may try to use card=<n> insmod option to 
workaround that.
[ 1219.398491] em28xx #0: Please send an email with this log to:
[ 1219.398492] em28xx #0:       V4L Mailing List 
<linux-media@vger.kernel.org>
[ 1219.398493] em28xx #0: Board eeprom hash is 0x11fa5ec0
[ 1219.398493] em28xx #0: Board i2c devicelist hash is 0x4b800080
[ 1219.398494] em28xx #0: Here is a list of valid choices for the 
card=<n> insmod option:
...
[ 1219.398567] em28xx #0:     card=86 -> PCTV QuatroStick nano (520e)
[ 1219.398568] em28xx #0: Board not discovered
[ 1219.398569] em28xx #0: Identified as Unknown EM2750/28xx video 
grabber (card=1)
[ 1219.398570] em28xx #0: Your board has no unique USB ID and thus need 
a hint to be detected.
[ 1219.398570] em28xx #0: You may try to use card=<n> insmod option to 
workaround that.
[ 1219.398571] em28xx #0: Please send an email with this log to:
[ 1219.398571] em28xx #0:       V4L Mailing List 
<linux-media@vger.kernel.org>
[ 1219.398572] em28xx #0: Board eeprom hash is 0x11fa5ec0
[ 1219.398573] em28xx #0: Board i2c devicelist hash is 0x4b800080
[ 1219.398573] em28xx #0: Here is a list of valid choices for the 
card=<n> insmod option:
[ 1219.398574] em28xx #0:     card=0 -> Unknown EM2800 video grabber
...
[ 1219.398641] em28xx #0:     card=86 -> PCTV QuatroStick nano (520e)
[ 1219.398643] em28xx #0: v4l2 driver version 0.1.3
[ 1219.398719] usb 3-1: Successful Endpoint Configure command
[ 1219.400353] em28xx #0: V4L2 video device registered as video1
[ 1219.400490] usbcore: registered new interface driver em28xx
[ 1219.402311] usb 3-1: Successful Endpoint Configure command


kernel 3.7.10 (Gentoo)

I know this device was supported in the past by the old M. Rechberger 
drivers. If you need any other logs, please let me know.

Best regards,

Ingbert




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