Here is the result using the latest V4L downloaded from the mercurial
latest release using my BlueTinum USB dvd converter/tv tuner
--
usb 3-4.3: new high speed USB device using ehci_hcd and address 5
usb 3-4.3: configuration #1 chosen from 1 choice
Linux video capture interface: v2.00
em28xx v4l2 driver version 0.1.0 loaded
em28xx new video device (eb1a:2821): interface 0, class 255
em28xx Has usb audio class
em28xx #0: Alternate settings: 8
em28xx #0: Alternate setting 0, max size= 0
em28xx #0: Alternate setting 1, max size= 1024
em28xx #0: Alternate setting 2, max size= 1448
em28xx #0: Alternate setting 3, max size= 2048
em28xx #0: Alternate setting 4, max size= 2304
em28xx #0: Alternate setting 5, max size= 2580
em28xx #0: Alternate setting 6, max size= 2892
em28xx #0: Alternate setting 7, max size= 3072
em28xx #0: em28xx chip ID = 18
em28xx #0: found i2c device @ 0x4a [saa7113h]
em28xx #0: found i2c device @ 0xc6 [tuner (analog)]
em28xx #0: Your board has no unique USB ID and thus need a hint to be
detected. em28xx #0: You may try to use card=<n> insmod option to
workaround that. em28xx #0: Please send an email with this log to:
em28xx #0: V4L Mailing List <video4linux-***@redhat.com>
em28xx #0: Board eeprom hash is 0x00000000
em28xx #0: Board i2c devicelist hash is 0xc51200e3
em28xx #0: Here is a list of valid choices for the card=<n> insmod
option: em28xx #0: card=0 -> Unknown EM2800 video grabber
em28xx #0: card=1 -> Unknown EM2750/28xx video grabber
em28xx #0: card=2 -> Terratec Cinergy 250 USB
em28xx #0: card=3 -> Pinnacle PCTV USB 2
em28xx #0: card=4 -> Hauppauge WinTV USB 2
em28xx #0: card=5 -> MSI VOX USB 2.0
em28xx #0: card=6 -> Terratec Cinergy 200 USB
em28xx #0: card=7 -> Leadtek Winfast USB II
em28xx #0: card=8 -> Kworld USB2800
em28xx #0: card=9 -> Pinnacle Dazzle DVC 90/DVC 100
em28xx #0: card=10 -> Hauppauge WinTV HVR 900
em28xx #0: card=11 -> Terratec Hybrid XS
em28xx #0: card=12 -> Kworld PVR TV 2800 RF
em28xx #0: card=13 -> Terratec Prodigy XS
em28xx #0: card=14 -> Pixelview Prolink PlayTV USB 2.0
em28xx #0: card=15 -> V-Gear PocketTV
em28xx #0: card=16 -> Hauppauge WinTV HVR 950
em28xx #0: V4L2 device registered as /dev/video0 and /dev/vbi0
em28xx #0: Found Unknown EM2750/28xx video grabber
usbcore: registered new interface driver em28xx
--
Result is unfortunately not a usable unit.
Xawtv fails with this error :
ioctl: VIDIOC_REQBUFS(count=4;type=VIDEO_CAPTURE;memory=MMAP): Success
ioctl: VIDIOC_S_INPUT(int=0): Invalid argument
v4l2: oops: select timeout
v4l2: read: Interrupted system call
ioctl: VIDIOC_S_CTRL(id=9963785;value=1): Bad file descriptor
--
Performing a 'v4l-info' gives the following information.
### v4l2 device info [/dev/video0] ###
general info
VIDIOC_QUERYCAP
driver : 'em28xx'
card : 'Unknown EM2750/28xx video grabb'
bus_info : '3-4.3'
version : 0.1.0
capabilities : 0x5020041
[VIDEO_CAPTURE,?,AUDIO,READWRITE,STREAMING]
standards
VIDIOC_ENUMSTD(0)
index : 0
id : 0xff
[PAL_B,PAL_B1,PAL_G,PAL_H,PAL_I,PAL_D,PAL_D1,PAL_K]
name : 'PAL' frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(1)
index : 1
id : 0x100 [PAL_M]
name : 'PAL-M'
frameperiod.numerator : 1001
frameperiod.denominator : 30000
framelines : 525
VIDIOC_ENUMSTD(2)
index : 2
id : 0x200 [PAL_N]
name : 'PAL-N'
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(3)
index : 3
id : 0x400 [PAL_Nc]
name : 'PAL-Nc'
frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
VIDIOC_ENUMSTD(4)
index : 4
id : 0x800 [PAL_60]
name : 'PAL-60'
frameperiod.numerator : 1001
frameperiod.denominator : 30000
framelines : 525
VIDIOC_ENUMSTD(5)
index : 5
id : 0xb000 [NTSC_M,NTSC_M_JP,?]
name : 'NTSC'
frameperiod.numerator : 1001
frameperiod.denominator : 30000
framelines : 525
VIDIOC_ENUMSTD(6)
index : 6
id : 0x4000 [?]
name : 'NTSC-443'
frameperiod.numerator : 1001
frameperiod.denominator : 30000
framelines : 525
VIDIOC_ENUMSTD(7)
index : 7
id : 0xff0000
[SECAM_B,SECAM_D,SECAM_G,SECAM_H,SECAM_K,SECAM_K1,SECAM_L,?ATSC_8_VSB]
name : 'SECAM' frameperiod.numerator : 1
frameperiod.denominator : 25
framelines : 625
inputs
video capture
VIDIOC_ENUM_FMT(0,VIDEO_CAPTURE)
index : 0
type : VIDEO_CAPTURE
flags : 0
description : 'Packed YUY2'
pixelformat : 0x56595559 [YUYV]
VIDIOC_G_FMT(VIDEO_CAPTURE)
type : VIDEO_CAPTURE
fmt.pix.width : 720
fmt.pix.height : 576
fmt.pix.pixelformat : 0x56595559 [YUYV]
fmt.pix.field : INTERLACED
fmt.pix.bytesperline : 1440
fmt.pix.sizeimage : 829440
fmt.pix.colorspace : SMPTE170M
fmt.pix.priv : 0
controls
### video4linux device info [/dev/video0] ###
general info
VIDIOCGCAP
name : 'Unknown EM2750/28xx video grabb'
type : 0x1 [CAPTURE]
channels : 0
audios : 0
maxwidth : 720
maxheight : 576
minwidth : 48
minheight : 32
channels
tuner
VIDIOCGTUNER
tuner : 0
name : 'Tuner'
rangelow : 0
rangehigh : 0
flags : 0x7 [PAL,NTSC,SECAM]
mode : PAL
signal : 0
audio
VIDIOCGAUDIO
audio : 0
volume : 65535
bass : 0
treble : 0
picture
VIDIOCGPICT
brightness : 0
hue : 0
colour : 0
contrast : 0
whiteness : 0
depth : 16
palette : YUYV
buffer
ioctl VIDIOCGFBUF: Invalid argument
window
VIDIOCGWIN
x : 0
y : 0
width : 720
height : 576
chromakey : 0
flags : 0