<7>[218660.188536] c0 hub 2-0:1.0: hub_suspend
<7>[218660.188627] c0 usb usb2: bus auto-suspend
<7>[218660.188693] c0 s5p-ohci s5p-ohci: suspend root hub
<7>[218660.238795] c0 max77686: id=28, org=18, val=15
<7>[218660.294200] c0 max77686: id=27, org=1b, val=20
<7>[218660.295020] c0 max77686: id=27, org=20, val=18
<7>[218660.489547] c0 max77686_get_voltage: id=29, val=18
<6>[218661.328536] c0 pet_watchdog_timer_fn kicking...d240
<7>[218661.876086] c0 usb usb1: usb wakeup-resume
<7>[218661.876222] c0 usb usb1: usb auto-resume
<7>[218661.876334] c0 s5p-ehci s5p-ehci: resume root hub
<7>[218662.008676] c0 s5p-ehci s5p-ehci: port 1 full speed --> companion
<7>[218662.008862] c0 s5p-ehci s5p-ehci: GetStatus port:1 status 003801 0 ACK POWER OWNER sig=j CONNECT
<7>[218662.009162] c0 usb usb2: usb wakeup-resume
<7>[218662.009282] c0 usb usb2: usb auto-resume
<7>[218662.018683] c0 s5p-ohci s5p-ohci: wakeup root hub
<7>[218662.023576] c0 hub 1-0:1.0: hub_resume
<7>[218662.023760] c0 hub 1-0:1.0: port 2: status 0507 change 0000
<7>[218662.023995] c0 hub 1-0:1.0: state 7 ports 3 chg 0000 evt 0000
<7>[218662.098689] c0 hub 2-0:1.0: hub_resume
<7>[218662.098839] c0 s5p-ohci s5p-ohci: GetStatus roothub.portstatus [0] = 0x00010101 CSC PPS CCS
<7>[218662.099046] c0 hub 2-0:1.0: port 1: status 0101 change 0001
<7>[218662.123575] c0 hub 1-0:1.0: hub_suspend
<7>[218662.123716] c0 usb usb1: bus auto-suspend
<7>[218662.123825] c0 s5p-ehci s5p-ehci: suspend root hub
<7>[218662.203731] c0 hub 2-0:1.0: state 7 ports 3 chg 0002 evt 0000
<7>[218662.203923] c0 hub 2-0:1.0: port 1, status 0101, change 0000, 12 Mb/s
<7>[218662.318715] c0 s5p-ohci s5p-ohci: GetStatus roothub.portstatus [0] = 0x00100103 PRSC PPS PES CCS
<6>[218662.373608] c0 usb 2-1: new full speed USB device number 10 using s5p-ohci
<7>[218662.488715] c0 s5p-ohci s5p-ohci: GetStatus roothub.portstatus [0] = 0x00100103 PRSC PPS PES CCS
<7>[218662.563562] c0 usb 2-1: ep0 maxpacket = 8
<7>[218662.618866] c0 usb 2-1: skipped 1 descriptor after interface
<7>[218662.619019] c0 usb 2-1: skipped 6 descriptors after interface
<7>[218662.619165] c0 usb 2-1: skipped 2 descriptors after interface
<7>[218662.619309] c0 usb 2-1: skipped 1 descriptor after endpoint
<7>[218662.619445] c0 usb 2-1: skipped 2 descriptors after interface
<7>[218662.619586] c0 usb 2-1: skipped 1 descriptor after endpoint
<7>[218662.619751] c0 usb 2-1: skipped 2 descriptors after interface
<7>[218662.619894] c0 usb 2-1: skipped 1 descriptor after endpoint
<7>[218662.620030] c0 usb 2-1: skipped 2 descriptors after interface
<7>[218662.620168] c0 usb 2-1: skipped 1 descriptor after endpoint
<7>[218662.621841] c0 usb 2-1: default language 0x0409
<7>[218662.630852] c0 usb 2-1: udev 10, busnum 2, minor = 137
<6>[218662.630989] c0 usb 2-1: New USB device found, idVendor=1852, idProduct=7022
<6>[218662.631153] c0 usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
<6>[218662.631318] c0 usb 2-1: Product: UAC1 DAC
<6>[218662.631421] c0 usb 2-1: Manufacturer: Binary Audio
<7>[218662.637202] c0 mif: modem usbdev_open, skip usb_autoresume_device
<7>[218662.637580] c0 mif: modem usbdev_open, skip usb_autosuspend_device
<7>[218662.646085] c0 usb 2-1: usb_probe_device
<7>[218662.646218] c0 usb 2-1: configuration #1 chosen from 1 choice
<7>[218662.646939] c0 usb 2-1: adding 2-1:1.0 (config #1, interface 0)
<7>[218662.663413] c0 usbhid 2-1:1.0: usb_probe_interface
<7>[218662.663662] c0 usbhid 2-1:1.0: usb_probe_interface - got id
<6>[218662.687080] c0 input: Binary Audio UAC1 DAC as /devices/platform/s5p-ohci/usb2/2-1/2-1:1.0/input/input19
<6>[218662.690851] c0 keychord: using input dev Binary Audio UAC1 DAC for fevent
<7>[218662.699565] c0 usb 2-1: adding 2-1:1.1 (config #1, interface 1)
<7>[218662.700057] c0 max77686: id=27, org=18, val=20
<7>[218662.709275] c0 max77686: id=27, org=20, val=1b
<7>[218662.722787] c0 snd-usb-audio 2-1:1.1: usb_probe_interface
<7>[218662.722917] c0 snd-usb-audio 2-1:1.1: usb_probe_interface - got id
<3>[218662.761820] c0 16:1: cannot get min/max values for control 2 (id 16)
<7>[218662.798172] c0 usb 2-1: adding 2-1:1.2 (config #1, interface 2)
<7>[218662.800216] c0 usb 2-1: adding 2-1:1.3 (config #1, interface 3)
<7>[218662.806095] c0 drivers/usb/core/inode.c: creating file '010'
<7>[218662.806397] c0 hub 2-0:1.0: state 7 ports 3 chg 0000 evt 0002