On Thu, Jan 02, 2020 at 12:49:00PM -0500, Alan Stern wrote: > Roger, you can get more information by plugging in the device and > then posting the contents of /sys/kernel/debug/usb/devices (or just > the portion that refers to the camera). It would be interesting to > compare the values from the kernel with the commit present and the > kernel with the commit reverted. 5.3.12-2-default (commit present) T: Bus=01 Lev=04 Prnt=08 Port=00 Cnt=01 Dev#= 10 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1778 ProdID=0214 Rev= 7.07 S: Manufacturer=IPEVO Inc. S: Product=IPEVO Point 2 View C:* #Ifs= 3 Cfg#= 1 Atr=80 MxPwr=500mA A: FirstIf#= 1 IfCount= 2 Cls=0e(video) Sub=03 Prot=00 I:* If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid E: Ad=85(I) Atr=03(Int.) MxPS= 8 Ivl=64ms I:* If#= 1 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=00 Driver=uvcvideo E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=32ms I:* If#= 2 Alt= 0 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none) E: Ad=82(I) Atr=05(Isoc) MxPS= 0 Ivl=125us I: If#= 2 Alt= 1 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=(none) E: Ad=82(I) Atr=05(Isoc) MxPS=3060 Ivl=125us ---------------- 5.4.7-1.g43720a7-default (commit reverted) T: Bus=01 Lev=04 Prnt=08 Port=00 Cnt=01 Dev#= 13 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1778 ProdID=0214 Rev= 7.07 S: Manufacturer=IPEVO Inc. S: Product=IPEVO Point 2 View C:* #Ifs= 3 Cfg#= 1 Atr=80 MxPwr=500mA A: FirstIf#= 1 IfCount= 2 Cls=0e(video) Sub=03 Prot=00 I:* If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid E: Ad=85(I) Atr=03(Int.) MxPS= 8 Ivl=64ms I:* If#= 1 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=00 Driver=uvcvideo E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=32ms I:* If#= 2 Alt= 0 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=uvcvideo E: Ad=82(I) Atr=05(Isoc) MxPS= 0 Ivl=125us I: If#= 2 Alt= 1 #EPs= 1 Cls=0e(video) Sub=02 Prot=00 Driver=uvcvideo E: Ad=82(I) Atr=05(Isoc) MxPS=3060 Ivl=125us -- ============================================ Roger Whittaker SUSE Linux Premium Support Engineer roger.whittaker@xxxxxxxx +44 7802 357081 SUSE Linux One Station Square Bracknell RG12 1QB United Kingdom ============================================
