Re: [PATCH v2 1/3] Input: export LEDs as class devices in sysfs

Vlastimil Babka
2015-07-22T14:42:13Z

On 07/21/2015 07:01 PM, Dmitry Torokhov wrote:
> No, this is benign. I guess your keyboard has more LEDs than input
> system has defined or several usages refer to the same LED.
>
> Can you try debug patch below and post the messages?
>

[ 101.805120] usb 3-4: new low-speed USB device number 3 using xhci_hcd
[ 101.979584] usb 3-4: New USB device found, idVendor=046d, idProduct=c50e
[ 101.979589] usb 3-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 101.979592] usb 3-4: Product: USB Receiver
[ 101.979594] usb 3-4: Manufacturer: Logitech
[ 101.979805] usb 3-4: ep 0x81 - rounding interval to 64 microframes, ep desc says 80 microframes
[ 101.989010] hid-generic 0003:046D:C50E.0003: Mapped LED usage 4b as LED 8
[ 101.989014] hid-generic 0003:046D:C50E.0003: Mapped LED usage 4b as LED 8
[ 101.989017] hid-generic 0003:046D:C50E.0003: Mapped LED usage 4b as LED 8
[ 101.989019] hid-generic 0003:046D:C50E.0003: Mapped LED usage 4b as LED 8
[ 101.989021] hid-generic 0003:046D:C50E.0003: Mapped LED usage 4b as LED 8
[ 101.989023] hid-generic 0003:046D:C50E.0003: Mapped LED usage 4b as LED 8
[ 101.989025] hid-generic 0003:046D:C50E.0003: Mapped LED usage 4b as LED 8
[ 101.989027] hid-generic 0003:046D:C50E.0003: Mapped LED usage 4b as LED 8
[ 101.989091] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:14.0/usb3/3-4/3-4:1.0/0003:046D:C50E.0003/input/input14
[ 102.039320] ------------[ cut here ]------------
[ 102.039329] WARNING: CPU: 6 PID: 168 at ../drivers/input/input-leds.c:115 input_leds_connect+0x22b/0x260()

(5 WARNINGs as before)

[ 102.040729] hid-generic 0003:046D:C50E.0003: input,hidraw2: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:14.0-4/input0