<6>[ 1087.775251] c3 usb 2-1: new full speed USB device number 5 using s5p-ohci <7>[ 1087.820662] c0 max77686: id=26, org=4, val=3 <7>[ 1087.890260] c3 s5p-ohci s5p-ohci: GetStatus roothub.portstatus [0] = 0x00100103 PRSC PPS PES CCS <7>[ 1087.920712] c0 max77686: id=28, org=1b, val=18 <7>[ 1087.970312] c0 usb 2-1: skipped 10 descriptors after interface <7>[ 1087.970449] c0 usb 2-1: skipped 2 descriptors after interface <7>[ 1087.970586] c0 usb 2-1: skipped 1 descriptor after endpoint <7>[ 1087.970709] c0 usb 2-1: skipped 2 descriptors after interface <7>[ 1087.970834] c0 usb 2-1: skipped 1 descriptor after endpoint <7>[ 1087.970951] c0 usb 2-1: skipped 1 descriptor after interface <7>[ 1087.972272] c0 usb 2-1: default language 0x0409 <7>[ 1087.974281] c0 usb 2-1: udev 5, busnum 2, minor = 132 <6>[ 1087.974405] c0 usb 2-1: New USB device found, idVendor=0d8c, idProduct=000c <6>[ 1087.974547] c0 usb 2-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0 <6>[ 1087.974695] c0 usb 2-1: Product: C-Media USB Headphone Set <7>[ 1087.979874] c0 mif: modem usbdev_open, skip usb_autoresume_device <7>[ 1087.980320] c0 mif: modem usbdev_open, skip usb_autosuspend_device <7>[ 1087.981013] c3 usb 2-1: usb_probe_device <7>[ 1087.981142] c3 usb 2-1: configuration #1 chosen from 1 choice <7>[ 1087.982514] c3 usb 2-1: adding 2-1:1.0 (config #1, interface 0) <7>[ 1087.989139] c3 snd-usb-audio 2-1:1.0: usb_probe_interface <7>[ 1087.989358] c3 snd-usb-audio 2-1:1.0: usb_probe_interface - got id <7>[ 1088.000804] c0 max77686: id=27, org=18, val=20 <3>[ 1088.006317] c0 13:0: cannot get min/max values for control 2 (id 13) <3>[ 1088.006433] c0 9:0: cannot get min/max values for control 2 (id 9) <3>[ 1088.006525] c0 10:0: cannot get min/max values for control 2 (id 10) <7>[ 1088.012297] c0 usb 2-1: adding 2-1:1.1 (config #1, interface 1) <7>[ 1088.013012] c0 usb 2-1: adding 2-1:1.2 (config #1, interface 2) <7>[ 1088.013649] c0 usb 2-1: adding 2-1:1.3 (config #1, interface 3) <7>[ 1088.014360] c0 usbhid 2-1:1.3: usb_probe_interface <7>[ 1088.014445] c0 usbhid 2-1:1.3: usb_probe_interface - got id <7>[ 1088.021456] c0 max77686: id=28, org=18, val=1b <6>[ 1088.024192] c0 input: C-Media USB Headphone Set as /devices/platform/s5p-ohci/usb2/2-1/2-1:1.3/input/input14 <6>[ 1088.025679] c3 keychord: using input dev C-Media USB Headphone Set for fevent <7>[ 1088.028008] c3 drivers/usb/core/inode.c: creating file '005' <7>[ 1088.028217] c3 hub 2-0:1.0: state 7 ports 3 chg 0000 evt 0002