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Subject[BUG] uvcvideo is broken on Linux-3.2-rc3
Hi,

When I initiate any webcam software like Cheese, Kamoso, skype etc. I'm
having the below message at dmesg :

[ 1171.856931] uvcvideo: Failed to submit URB 0 (-28).
[ 1191.728944] uvcvideo: Failed to submit URB 0 (-28).
[ 1191.728959] uvcvideo 1-1.5:1.1: resume error -28
[ 1192.028821] uvcvideo: Failed to query (GET_DEF) UVC control 3 on unit
2: -110 (exp. 2).
[ 1192.106345] uvcvideo: Failed to query (GET_DEF) UVC control 3 on unit
2: -32 (exp. 2).
[ 1605.542802] uvcvideo: Failed to query (130) UVC probe control : -32
(exp. 26).
[ 1605.549179] uvcvideo: Failed to query (130) UVC probe control : -32
(exp. 26).
[ 1605.555584] uvcvideo: Failed to query (130) UVC probe control : -32
(exp. 26).
[ 1605.562031] uvcvideo: Failed to query (130) UVC probe control : -32
(exp. 26).
[ 1605.568382] uvcvideo: Failed to query (130) UVC probe control : -32
(exp. 26).
[ 1605.575002] uvcvideo: Failed to query (130) UVC probe control : -32
(exp. 26).
[ 1605.581982] uvcvideo: Failed to query (130) UVC probe control : -32
(exp. 26).
[ 1605.588635] uvcvideo: Failed to query (130) UVC probe control : -32
(exp. 26).
[ 1605.595000] uvcvideo: Failed to query (130) UVC probe control : -32
(exp. 26).
[ 1605.601328] uvcvideo: Failed to query (130) UVC probe control : -32
(exp. 26).
[ 1605.607702] uvcvideo: Failed to query (130) UVC probe control : -32
(exp. 26).



Also, below is the output of "v4l-info" :


linux-gpq3:~ # v4l-info

### v4l2 device info [/dev/video0] ###
general info
VIDIOC_QUERYCAP
driver : "uvcvideo"
card : "Laptop_Integrated_Webcam_HD"
bus_info : "usb-0000:00:1a.0-1.5"
version : 3.2.0
capabilities : 0x4000001 [VIDEO_CAPTURE,STREAMING]

standards

inputs
VIDIOC_ENUMINPUT(0)
index : 0
name : "Camera 1"
type : CAMERA
audioset : 0
tuner : 0
std : 0x0 []
status : 0x0 []

video capture
VIDIOC_ENUM_FMT(0,VIDEO_CAPTURE)
index : 0
type : VIDEO_CAPTURE
flags : 0
description : "YUV 4:2:2 (YUYV)"
pixelformat : 0x56595559 [YUYV]
VIDIOC_ENUM_FMT(1,VIDEO_CAPTURE)
index : 1
type : VIDEO_CAPTURE
flags : 1
description : "MJPEG"
pixelformat : 0x47504a4d [MJPG]
VIDIOC_G_FMT(VIDEO_CAPTURE)
type : VIDEO_CAPTURE
fmt.pix.width : 640
fmt.pix.height : 480
fmt.pix.pixelformat : 0x56595559 [YUYV]
fmt.pix.field : NONE
fmt.pix.bytesperline : 1280
fmt.pix.sizeimage : 614400
fmt.pix.colorspace : SRGB
fmt.pix.priv : 0

controls
VIDIOC_QUERYCTRL(BASE+0)
id : 9963776
type : INTEGER
name : "Brightness"
minimum : -64
maximum : 64
step : 1
default_value : 0
flags : 0
VIDIOC_QUERYCTRL(BASE+1)
id : 9963777
type : INTEGER
name : "Contrast"
minimum : 0
maximum : 95
step : 1
default_value : 0
flags : 0
VIDIOC_QUERYCTRL(BASE+2)
id : 9963778
type : INTEGER
name : "Saturation"
minimum : 0
maximum : 100
step : 1
default_value : 64
flags : 0
VIDIOC_QUERYCTRL(BASE+3)
id : 9963779
type : INTEGER
name : "Hue"
minimum : -2000
maximum : 2000
step : 1
default_value : 0
flags : 0
VIDIOC_QUERYCTRL(BASE+12)
id : 9963788
type : BOOLEAN
name : "White Balance Temperature, Auto"
minimum : 0
maximum : 1
step : 1
default_value : 1
flags : 0
VIDIOC_QUERYCTRL(BASE+16)
id : 9963792
type : INTEGER
name : "Gamma"
minimum : 100
maximum : 300
step : 1
default_value : 100
flags : 0
VIDIOC_QUERYCTRL(BASE+24)
id : 9963800
type : MENU
name : "Power Line Frequency"
minimum : 0
maximum : 2
step : 1
default_value : 0
flags : 0
VIDIOC_QUERYCTRL(BASE+26)
id : 9963802
type : INTEGER
name : "White Balance Temperature"
minimum : 2800
maximum : 6500
step : 1
default_value : 4600
flags : 0
VIDIOC_QUERYCTRL(BASE+27)
id : 9963803
type : INTEGER
name : "Sharpness"
minimum : 1
maximum : 7
step : 1
default_value : 2
flags : 0
VIDIOC_QUERYCTRL(BASE+28)
id : 9963804
type : INTEGER
name : "Backlight Compensation"
minimum : 0
maximum : 3
step : 1
default_value : 3
flags : 0


PS : The same hardware works perfectly with pre <= Linux-3.1


Tarkan



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