This is a proposed patch for KS49. The original patch for KS25: https://lore.kernel.org/patchwork/patch/753077/ About the authorship, I don't know what it is. My real name is Roux Laurent. diff -Naur 1/drivers/usb/core/quirks.c 2/drivers/usb/core/quirks.c --- 1/drivers/usb/core/quirks.c 2018-08-06 16:18:22.000000000 +0200 +++ 2/drivers/usb/core/quirks.c 2018-08-07 22:22:03.868499000 +0200 @@ -182,6 +182,10 @@ { USB_DEVICE(0x0218, 0x0401), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, + /* WORLDE Controller KS49 or Prodipe MIDI 49C USB controller */ + { USB_DEVICE(0x0218, 0x0201), .driver_info = + USB_QUIRK_CONFIG_INTF_STRINGS }, + /* HP 5300/5370C scanner */ { USB_DEVICE(0x03f0, 0x0701), .driver_info = USB_QUIRK_STRING_FETCH_255 }, Le 07/08/2018 à 20:57, Greg KH a écrit : > On Tue, Aug 07, 2018 at 05:50:21PM +0000, Maxence Duprès wrote: >> <from bugzilla.kernel.org> >> >> Hello, >> >> I just bought a midi keyboard Prodipe MIDI 49C USB for use within linux >> Rosegarden and LMMS. >> When I plug it in, nothing happen, no keyboard appears in software or in >> lsusb. Changing USB cable did nothing. >> >> The keyboard work fine with W7 32b and 64b and with W10 64b with >> Rosegarden and LMMS too. It is detected as "Worlde Controller KS49". >> >> In dmesg, I found that the keyboard is detected and disconnected again >> and again. >> >> I've done some tests with: >> Acer D150 Atom270 2Gb XUbuntu 32b 4.15.0-29-generic. >> Acer D150 Atom270 2Gb KXstudio 32b 3.13.0-19-lowlatency. >> Lenovo I5 3320 4Gb Xubuntu 64b 4.15.0-29-generic. >> AMD 5050e 8Gb Xubuntu 64b 4.15.0-29-generic. >> >> This is a part of dmesg: >> [ 805.156100] usb usb1-port8: Cannot enable. Maybe the USB cable is bad? >> [ 805.156122] usb usb1-port8: unable to enumerate USB device >> [ 805.468061] usb 5-2: new full-speed USB device number 72 using ohci-pci >> [ 805.669060] usb 5-2: New USB device found, idVendor=0218, idProduct=0201 >> [ 805.669064] usb 5-2: New USB device strings: Mfr=1, Product=2, >> SerialNumber=0 >> [ 805.669065] usb 5-2: Product: WORLDE Controller KS49 >> [ 805.669067] usb 5-2: Manufacturer: WORLDE >> [ 805.684743] usb 5-2: USB disconnect, device number 72 >> [ 806.248086] usb 5-2: new full-speed USB device number 73 using ohci-pci >> [ 806.444267] usb 5-2: New USB device found, idVendor=0218, idProduct=0201 >> [ 806.444271] usb 5-2: New USB device strings: Mfr=1, Product=2, >> SerialNumber=0 >> [ 806.444273] usb 5-2: Product: WORLDE Controller KS49 >> [ 806.444274] usb 5-2: Manufacturer: WORLDE >> [ 806.459697] usb 5-2: USB disconnect, device number 73 >> [ 807.080059] usb 5-2: new full-speed USB device number 74 using ohci-pci >> [ 807.279738] usb 5-2: New USB device found, idVendor=0218, idProduct=0201 >> [ 807.279742] usb 5-2: New USB device strings: Mfr=1, Product=2, >> SerialNumber=0 >> [ 807.279744] usb 5-2: Product: WORLDE Controller KS49 >> [ 807.279746] usb 5-2: Manufacturer: WORLDE >> [ 807.297581] usb 5-2: USB disconnect, device number 74 >> [ 807.560239] usb usb1-port8: attempt power cycle >> >> ... >> >> I just add some lines in quirks.c from Prodipe 25 but with the Prodipe >> 49 device ID. >> >> file: /drivers/usb/core/quirks.c line 185 >> >> /* WORLDE easy key (easykey.49) MIDI controller */ >> { USB_DEVICE(0x0218, 0x0201), .driver_info = >> USB_QUIRK_CONFIG_INTF_STRINGS }, >> >> It work well now. Test with Kernel 4.17.13 and 4.15 >> >> Possible to add this in kernel sources ? > Sure, care to make up a patch for this so that we can properly credit > you with the authorship of it? > > thanks, > > greg k-h ��.n��������+%������w��{.n�����{���)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
