On Thu, Jan 02, 2020 at 06:38:07PM +0200, Laurent Pinchart wrote: > Roger, would you be able to set the uvcvideo trace module parameter to > 0xffff before plugging the device, and provide the messages printed by > the driver to the kernel log both with and without the above commit ? With 5.3.12-2-default, loading uvcvideo with options uvcvideo trace=0xffff On plugging: [ 73.571566] usb 1-1.4.3.1: new high-speed USB device number 12 using xhci_hcd [ 73.729180] usb 1-1.4.3.1: config 1 interface 2 altsetting 0 endpoint 0x82 has wMaxPacketSize 0, skipping [ 73.729552] usb 1-1.4.3.1: New USB device found, idVendor=1778, idProduct=0214, bcdDevice= 7.07 [ 73.729558] usb 1-1.4.3.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 73.729561] usb 1-1.4.3.1: Product: IPEVO Point 2 View [ 73.729564] usb 1-1.4.3.1: Manufacturer: IPEVO Inc. [ 73.732670] hid-generic 0003:1778:0214.0009: hiddev98,hidraw8: USB HID v1.10 Device [IPEVO Inc. IPEVO Point 2 View] on usb-0000:00:14.0-1.4.3.1/input0 [ 73.781765] videodev: Linux video capture interface: v2.00 [ 73.807553] uvcvideo: Probing generic UVC device 1.4.3.1 [ 73.807693] uvcvideo: no class-specific streaming interface descriptors found. [ 73.807728] uvcvideo: Found a Status endpoint (addr 81). [ 73.807730] uvcvideo: Found UVC 1.00 device IPEVO Point 2 View (1778:0214) [ 73.807759] uvcvideo: Failed to query (GET_INFO) UVC control 2 on unit 1: -32 (exp. 1). [ 73.807832] uvcvideo: Control error 6 [ 73.807834] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 to device 1.4.3.1 entity 1 [ 73.807835] uvcvideo: Adding mapping 'Exposure, Auto' to control 00000000-0000-0000-0000-000000000001/2. [ 73.807876] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/6 to device 1.4.3.1 entity 1 [ 73.807877] uvcvideo: Adding mapping 'Focus (absolute)' to control 00000000-0000-0000-0000-000000000001/6. [ 73.807918] uvcvideo: Failed to query (GET_INFO) UVC control 9 on unit 1: -32 (exp. 1). [ 73.807996] uvcvideo: Control error 6 [ 73.807997] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/9 to device 1.4.3.1 entity 1 [ 73.807998] uvcvideo: Adding mapping 'Iris, Absolute' to control 00000000-0000-0000-0000-000000000001/9. [ 73.808037] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/8 to device 1.4.3.1 entity 1 [ 73.808038] uvcvideo: Adding mapping 'Focus, Auto' to control 00000000-0000-0000-0000-000000000001/8. [ 73.808079] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 1.4.3.1 entity 3 [ 73.808080] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2. [ 73.808119] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 1.4.3.1 entity 3 [ 73.808120] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3. [ 73.808159] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 1.4.3.1 entity 3 [ 73.808160] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6. [ 73.808205] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 1.4.3.1 entity 3 [ 73.808206] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7. [ 73.808255] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 1.4.3.1 entity 3 [ 73.808257] uvcvideo: Adding mapping 'Sharpness' to control 00000000-0000-0000-0000-000000000101/8. [ 73.808308] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 to device 1.4.3.1 entity 3 [ 73.808309] uvcvideo: Adding mapping 'Gamma' to control 00000000-0000-0000-0000-000000000101/9. [ 73.808349] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 1.4.3.1 entity 3 [ 73.808350] uvcvideo: Adding mapping 'White Balance Temperature' to control 00000000-0000-0000-0000-000000000101/10. [ 73.808389] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 1.4.3.1 entity 3 [ 73.808390] uvcvideo: Adding mapping 'Power Line Frequency' to control 00000000-0000-0000-0000-000000000101/5. [ 73.808431] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 to device 1.4.3.1 entity 3 [ 73.808432] uvcvideo: Adding mapping 'White Balance Temperature, Auto' to control 00000000-0000-0000-0000-000000000101/11. [ 73.808434] uvcvideo: Scanning UVC chain: OT 2 <- XU 4 <- PU 3 <- IT 1 [ 73.808437] uvcvideo: Found a valid video chain (1 -> 2). [ 73.808438] uvcvideo: No streaming interface found for terminal 2. [ 73.808442] uvcvideo 1-1.4.3.1:1.1: Entity type for entity Extension 4 was not initialized! [ 73.808444] uvcvideo 1-1.4.3.1:1.1: Entity type for entity Processing 3 was not initialized! [ 73.808446] uvcvideo 1-1.4.3.1:1.1: Entity type for entity Camera 1 was not initialized! [ 73.808542] input: IPEVO Point 2 View: IPEVO Point as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4/1-1.4.3/1-1.4.3.1/1-1.4.3.1:1.1/input/input21 [ 73.808590] uvcvideo: UVC device initialized. [ 73.808636] usbcore: registered new interface driver uvcvideo [ 73.808637] USB Video Class driver (1.1.1) [ 75.899721] uvcvideo: Suspending interface 1 ------------------------------------------------------------------------ With 5.4.7-1.g43720a7-default (the kernel Takashi built with commit d482c7bb0541 reverted), loading uvcvideo with options uvcvideo trace=0xffff On plugging: [ 267.765563] usb 1-1.4.3.1: new high-speed USB device number 13 using xhci_hcd [ 267.879567] usb 1-1.4.3.1: New USB device found, idVendor=1778, idProduct=0214, bcdDevice= 7.07 [ 267.879573] usb 1-1.4.3.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 267.879577] usb 1-1.4.3.1: Product: IPEVO Point 2 View [ 267.879580] usb 1-1.4.3.1: Manufacturer: IPEVO Inc. [ 267.882718] hid-generic 0003:1778:0214.000A: hiddev98,hidraw7: USB HID v1.10 Device [IPEVO Inc. IPEVO Point 2 View] on usb-0000:00:14.0-1.4.3.1/input0 [ 267.883135] uvcvideo: Probing generic UVC device 1.4.3.1 [ 267.883260] uvcvideo: trying extra data from endpoint 0. [ 267.883265] uvcvideo: Found format YUV 4:2:2 (YUYV). [ 267.883268] uvcvideo: - 640x480 (30.0 fps) [ 267.883277] uvcvideo: - 320x240 (30.0 fps) [ 267.883278] uvcvideo: - 800x600 (24.0 fps) [ 267.883280] uvcvideo: - 1024x768 (15.0 fps) [ 267.883282] uvcvideo: - 1280x1024 (8.0 fps) [ 267.883284] uvcvideo: - 1600x1200 (4.0 fps) [ 267.883286] uvcvideo: - 640x480 (30.0 fps) [ 267.883288] uvcvideo: Found format MJPEG. [ 267.883290] uvcvideo: - 640x480 (45.0 fps) [ 267.883292] uvcvideo: - 320x240 (45.0 fps) [ 267.883293] uvcvideo: - 800x600 (45.0 fps) [ 267.883295] uvcvideo: - 1024x768 (30.0 fps) [ 267.883297] uvcvideo: - 1280x1024 (15.0 fps) [ 267.883299] uvcvideo: - 1600x1200 (8.0 fps) [ 267.883301] uvcvideo: - 640x480 (45.0 fps) [ 267.883310] uvcvideo: Found a Status endpoint (addr 81). [ 267.883314] uvcvideo: Found UVC 1.00 device IPEVO Point 2 View (1778:0214) [ 267.883380] uvcvideo: Failed to query (GET_INFO) UVC control 2 on unit 1: -32 (exp. 1). [ 267.883411] uvcvideo: Control error 6 [ 267.883416] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 to device 1.4.3.1 entity 1 [ 267.883419] uvcvideo: Adding mapping 'Exposure, Auto' to control 00000000-0000-0000-0000-000000000001/2. [ 267.883468] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/6 to device 1.4.3.1 entity 1 [ 267.883471] uvcvideo: Adding mapping 'Focus (absolute)' to control 00000000-0000-0000-0000-000000000001/6. [ 267.883512] uvcvideo: Failed to query (GET_INFO) UVC control 9 on unit 1: -32 (exp. 1). [ 267.883588] uvcvideo: Control error 6 [ 267.883590] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/9 to device 1.4.3.1 entity 1 [ 267.883593] uvcvideo: Adding mapping 'Iris, Absolute' to control 00000000-0000-0000-0000-000000000001/9. [ 267.883642] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/8 to device 1.4.3.1 entity 1 [ 267.883645] uvcvideo: Adding mapping 'Focus, Auto' to control 00000000-0000-0000-0000-000000000001/8. [ 267.883694] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 to device 1.4.3.1 entity 3 [ 267.883696] uvcvideo: Adding mapping 'Brightness' to control 00000000-0000-0000-0000-000000000101/2. [ 267.883745] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 to device 1.4.3.1 entity 3 [ 267.883747] uvcvideo: Adding mapping 'Contrast' to control 00000000-0000-0000-0000-000000000101/3. [ 267.883795] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/6 to device 1.4.3.1 entity 3 [ 267.883797] uvcvideo: Adding mapping 'Hue' to control 00000000-0000-0000-0000-000000000101/6. [ 267.883846] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 to device 1.4.3.1 entity 3 [ 267.883848] uvcvideo: Adding mapping 'Saturation' to control 00000000-0000-0000-0000-000000000101/7. [ 267.883895] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 to device 1.4.3.1 entity 3 [ 267.883898] uvcvideo: Adding mapping 'Sharpness' to control 00000000-0000-0000-0000-000000000101/8. [ 267.883947] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 to device 1.4.3.1 entity 3 [ 267.883949] uvcvideo: Adding mapping 'Gamma' to control 00000000-0000-0000-0000-000000000101/9. [ 267.883999] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 to device 1.4.3.1 entity 3 [ 267.884002] uvcvideo: Adding mapping 'White Balance Temperature' to control 00000000-0000-0000-0000-000000000101/10. [ 267.884050] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 to device 1.4.3.1 entity 3 [ 267.884053] uvcvideo: Adding mapping 'Power Line Frequency' to control 00000000-0000-0000-0000-000000000101/5. [ 267.884101] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 to device 1.4.3.1 entity 3 [ 267.884104] uvcvideo: Adding mapping 'White Balance Temperature, Auto' to control 00000000-0000-0000-0000-000000000101/11. [ 267.884108] uvcvideo: Scanning UVC chain: OT 2 <- XU 4 <- PU 3 <- IT 1 [ 267.884117] uvcvideo: Found a valid video chain (1 -> 2). [ 267.885020] uvcvideo 1-1.4.3.1:1.1: Entity type for entity Extension 4 was not initialized! [ 267.885025] uvcvideo 1-1.4.3.1:1.1: Entity type for entity Processing 3 was not initialized! [ 267.885028] uvcvideo 1-1.4.3.1:1.1: Entity type for entity Camera 1 was not initialized! [ 267.885188] input: IPEVO Point 2 View: IPEVO Point as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4/1-1.4.3/1-1.4.3.1/1-1.4.3.1:1.1/input/input22 [ 267.885266] uvcvideo: UVC device initialized. [ 267.919845] uvcvideo: uvc_v4l2_open [ 267.919884] uvcvideo: uvc_v4l2_release [ 270.387236] uvcvideo: Suspending interface 2 [ 270.387241] uvcvideo: Suspending interface 1 -- ============================================ Roger Whittaker SUSE Linux Premium Support Engineer roger.whittaker@xxxxxxxx +44 7802 357081 SUSE Linux One Station Square Bracknell RG12 1QB United Kingdom ============================================
