Line in port not working?

I've bought a usb web cam and, with the help of "ichatusbcam", can now see a video picture in iChatAv. The web cam also has a in built microphone with a jack plug that goes into the line-in port in my MDD. However when I select the line in port in sound prefs I can't seem to get any sound. There is no flicker of movement that shows that sound is being received. If I plug in my usb microphone and select that then no problem - I can see the prefs pane showing sound input.
Any ideas or does it suggest that the in-built mic isn't working?
Dave

It "sounds" like you might need a preamp for the mic to bring up the input levels to line-in requirements.
Regards,

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    [ 0.105926] devtmpfs: initialized
    [ 0.112736] pinctrl core: initialized pinctrl subsystem
    [ 0.112812] RTC time: 0:25:43, date: 10/27/14
    [ 0.112986] NET: Registered protocol family 16
    [ 0.113224] cpuidle: using governor ladder
    [ 0.113230] cpuidle: using governor menu
    [ 0.113291] ACPI: bus type PCI registered
    [ 0.113295] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
    [ 0.113438] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf0000000-0xf3ffffff] (base 0xf0000000)
    [ 0.113443] PCI: MMCONFIG at [mem 0xf0000000-0xf3ffffff] reserved in E820
    [ 0.113650] PCI: Using configuration type 1 for base access
    [ 0.124189] ACPI: Added _OSI(Module Device)
    [ 0.124193] ACPI: Added _OSI(Processor Device)
    [ 0.124196] ACPI: Added _OSI(3.0 _SCP Extensions)
    [ 0.124199] ACPI: Added _OSI(Processor Aggregator Device)
    [ 0.130313] ACPI: Interpreter enabled
    [ 0.130327] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20140724/hwxface-580)
    [ 0.130336] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20140724/hwxface-580)
    [ 0.130364] ACPI: (supports S0 S3 S4 S5)
    [ 0.130367] ACPI: Using IOAPIC for interrupt routing
    [ 0.130407] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
    [ 0.136949] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
    [ 0.136960] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
    [ 0.137053] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability]
    [ 0.137240] acpi PNP0A08:00: ignoring host bridge window [mem 0x000cc000-0x000cffff] (conflicts with Video ROM [mem 0x000c0000-0x000cedff])
    [ 0.137249] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge
    [ 0.137502] PCI host bridge to bus 0000:00
    [ 0.137507] pci_bus 0000:00: root bus resource [bus 00-ff]
    [ 0.137512] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7]
    [ 0.137515] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff]
    [ 0.137519] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
    [ 0.137523] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff]
    [ 0.137526] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff]
    [ 0.137529] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff]
    [ 0.137533] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff]
    [ 0.137536] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff]
    [ 0.137540] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff]
    [ 0.137543] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff]
    [ 0.137547] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff]
    [ 0.137550] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff]
    [ 0.137553] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff]
    [ 0.137557] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff]
    [ 0.137560] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff]
    [ 0.137564] pci_bus 0000:00: root bus resource [mem 0xafa00000-0xfebfffff]
    [ 0.137567] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff]
    [ 0.137583] pci 0000:00:00.0: [8086:0104] type 00 class 0x060000
    [ 0.137752] pci 0000:00:02.0: [8086:0106] type 00 class 0x030000
    [ 0.137774] pci 0000:00:02.0: reg 0x10: [mem 0xe0000000-0xe03fffff 64bit]
    [ 0.137786] pci 0000:00:02.0: reg 0x18: [mem 0xd0000000-0xdfffffff 64bit pref]
    [ 0.137796] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f]
    [ 0.138004] pci 0000:00:16.0: [8086:1e3a] type 00 class 0x078000
    [ 0.138046] pci 0000:00:16.0: reg 0x10: [mem 0xe0706100-0xe070610f 64bit]
    [ 0.138188] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold
    [ 0.138353] pci 0000:00:1a.0: [8086:1e2d] type 00 class 0x0c0320
    [ 0.138392] pci 0000:00:1a.0: reg 0x10: [mem 0xe0705800-0xe0705bff]
    [ 0.138555] pci 0000:00:1a.0: PME# supported from D0 D3hot D3cold
    [ 0.138624] pci 0000:00:1a.0: System wakeup disabled by ACPI
    [ 0.138714] pci 0000:00:1b.0: [8086:1e20] type 00 class 0x040300
    [ 0.138746] pci 0000:00:1b.0: reg 0x10: [mem 0xe0700000-0xe0703fff 64bit]
    [ 0.138900] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
    [ 0.138967] pci 0000:00:1b.0: System wakeup disabled by ACPI
    [ 0.139051] pci 0000:00:1c.0: [8086:1e12] type 01 class 0x060400
    [ 0.139207] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
    [ 0.139354] pci 0000:00:1c.1: [8086:1e14] type 01 class 0x060400
    [ 0.139506] pci 0000:00:1c.1: PME# supported from D0 D3hot D3cold
    [ 0.139671] pci 0000:00:1d.0: [8086:1e26] type 00 class 0x0c0320
    [ 0.139708] pci 0000:00:1d.0: reg 0x10: [mem 0xe0705c00-0xe0705fff]
    [ 0.139869] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold
    [ 0.139938] pci 0000:00:1d.0: System wakeup disabled by ACPI
    [ 0.140021] pci 0000:00:1f.0: [8086:1e5f] type 00 class 0x060100
    [ 0.140331] pci 0000:00:1f.2: [8086:1e03] type 00 class 0x010601
    [ 0.140373] pci 0000:00:1f.2: reg 0x10: [io 0x1060-0x1067]
    [ 0.140391] pci 0000:00:1f.2: reg 0x14: [io 0x1070-0x1073]
    [ 0.140409] pci 0000:00:1f.2: reg 0x18: [io 0x1068-0x106f]
    [ 0.140427] pci 0000:00:1f.2: reg 0x1c: [io 0x1074-0x1077]
    [ 0.140444] pci 0000:00:1f.2: reg 0x20: [io 0x1040-0x105f]
    [ 0.140461] pci 0000:00:1f.2: reg 0x24: [mem 0xe0705000-0xe07057ff]
    [ 0.140568] pci 0000:00:1f.2: PME# supported from D3hot
    [ 0.140707] pci 0000:00:1f.3: [8086:1e22] type 00 class 0x0c0500
    [ 0.140738] pci 0000:00:1f.3: reg 0x10: [mem 0xe0706000-0xe07060ff 64bit]
    [ 0.140781] pci 0000:00:1f.3: reg 0x20: [io 0x0400-0x041f]
    [ 0.140941] pci 0000:00:1f.6: [8086:1e24] type 00 class 0x118000
    [ 0.140981] pci 0000:00:1f.6: reg 0x10: [mem 0xe0704000-0xe0704fff 64bit]
    [ 0.141361] pci 0000:01:00.0: [168c:0034] type 00 class 0x028000
    [ 0.141432] pci 0000:01:00.0: reg 0x10: [mem 0xe0400000-0xe047ffff 64bit]
    [ 0.141586] pci 0000:01:00.0: reg 0x30: [mem 0xe0480000-0xe048ffff pref]
    [ 0.141772] pci 0000:01:00.0: supports D1 D2
    [ 0.141776] pci 0000:01:00.0: PME# supported from D0 D1 D2 D3hot D3cold
    [ 0.146966] pci 0000:00:1c.0: PCI bridge to [bus 01]
    [ 0.146982] pci 0000:00:1c.0: bridge window [mem 0xe0400000-0xe04fffff]
    [ 0.147186] pci 0000:02:00.0: [14e4:16b5] type 00 class 0x020000
    [ 0.147261] pci 0000:02:00.0: reg 0x10: [mem 0xe0500000-0xe050ffff 64bit pref]
    [ 0.147314] pci 0000:02:00.0: reg 0x18: [mem 0xe0510000-0xe051ffff 64bit pref]
    [ 0.147412] pci 0000:02:00.0: reg 0x30: [mem 0xe0600000-0xe06007ff pref]
    [ 0.147646] pci 0000:02:00.0: PME# supported from D0 D3hot D3cold
    [ 0.147839] pci 0000:02:00.1: [14e4:16bc] type 00 class 0x080501
    [ 0.147913] pci 0000:02:00.1: reg 0x10: [mem 0xe0520000-0xe052ffff 64bit pref]
    [ 0.148270] pci 0000:02:00.1: PME# supported from D0 D3hot D3cold
    [ 0.153657] pci 0000:00:1c.1: PCI bridge to [bus 02]
    [ 0.153672] pci 0000:00:1c.1: bridge window [mem 0xe0600000-0xe06fffff]
    [ 0.153686] pci 0000:00:1c.1: bridge window [mem 0xe0500000-0xe05fffff 64bit pref]
    [ 0.153903] ACPI: PCI Interrupt Link [LNKA] (IRQs 1 3 4 5 6 7 10 12 14 15) *11, disabled.
    [ 0.153995] ACPI: PCI Interrupt Link [LNKB] (IRQs 1 3 4 5 6 7 11 12 14 15) *10, disabled.
    [ 0.154081] ACPI: PCI Interrupt Link [LNKC] (IRQs 1 3 4 5 6 7 10 12 14 15) *11, disabled.
    [ 0.154165] ACPI: PCI Interrupt Link [LNKD] (IRQs 1 3 4 5 6 7 *11 12 14 15), disabled.
    [ 0.154248] ACPI: PCI Interrupt Link [LNKE] (IRQs 1 3 4 5 6 7 10 12 14 15) *11, disabled.
    [ 0.154330] ACPI: PCI Interrupt Link [LNKF] (IRQs 1 3 4 5 6 7 11 12 14 15) *0, disabled.
    [ 0.154413] ACPI: PCI Interrupt Link [LNKG] (IRQs 1 3 4 5 6 7 10 12 14 15) *0, disabled.
    [ 0.154495] ACPI: PCI Interrupt Link [LNKH] (IRQs 1 3 4 5 6 7 11 12 14 15) *0, disabled.
    [ 0.155375] ACPI: Enabled 1 GPEs in block 00 to 3F
    [ 0.155452] ACPI : EC: GPE = 0x17, I/O: command/status = 0x66, data = 0x62
    [ 0.155654] vgaarb: setting as boot device: PCI:0000:00:02.0
    [ 0.155658] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
    [ 0.155664] vgaarb: loaded
    [ 0.155666] vgaarb: bridge control possible 0000:00:02.0
    [ 0.155751] PCI: Using ACPI for IRQ routing
    [ 0.159478] PCI: pci_cache_line_size set to 64 bytes
    [ 0.159577] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
    [ 0.159581] e820: reserve RAM buffer [mem 0xacee4000-0xafffffff]
    [ 0.159584] e820: reserve RAM buffer [mem 0x14f600000-0x14fffffff]
    [ 0.159796] NetLabel: Initializing
    [ 0.159799] NetLabel: domain hash size = 128
    [ 0.159801] NetLabel: protocols = UNLABELED CIPSOv4
    [ 0.159829] NetLabel: unlabeled traffic allowed by default
    [ 0.159874] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
    [ 0.159885] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
    [ 0.161931] Switched to clocksource hpet
    [ 0.171668] pnp: PnP ACPI init
    [ 0.171847] system 00:00: [mem 0xfed1c000-0xfed1ffff] has been reserved
    [ 0.171852] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved
    [ 0.171857] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved
    [ 0.171861] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved
    [ 0.171865] system 00:00: [mem 0xf0000000-0xf3ffffff] has been reserved
    [ 0.171869] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved
    [ 0.171873] system 00:00: [mem 0xfed40000-0xfed44fff] has been reserved
    [ 0.171877] system 00:00: [mem 0xfed45000-0xfed8ffff] has been reserved
    [ 0.171881] system 00:00: [mem 0x20000000-0x201fffff] has been reserved
    [ 0.171885] system 00:00: [mem 0x40000000-0x401fffff] has been reserved
    [ 0.171891] system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active)
    [ 0.172584] system 00:01: [mem 0xfed00000-0xfed003ff] has been reserved
    [ 0.172590] system 00:01: Plug and Play ACPI device, IDs PNP0103 PNP0c01 (active)
    [ 0.172671] system 00:02: [io 0x0500-0x057f] could not be reserved
    [ 0.172676] system 00:02: [io 0x0480-0x04bf] has been reserved
    [ 0.172681] system 00:02: Plug and Play ACPI device, IDs PNP0c02 (active)
    [ 0.172727] pnp 00:03: Plug and Play ACPI device, IDs PNP0b00 (active)
    [ 0.172802] pnp 00:04: Plug and Play ACPI device, IDs PNP0303 PNP030b (active)
    [ 0.172844] pnp: PnP ACPI: found 5 devices
    [ 0.181140] pci 0000:00:1c.0: PCI bridge to [bus 01]
    [ 0.181153] pci 0000:00:1c.0: bridge window [mem 0xe0400000-0xe04fffff]
    [ 0.181169] pci 0000:00:1c.1: PCI bridge to [bus 02]
    [ 0.181179] pci 0000:00:1c.1: bridge window [mem 0xe0600000-0xe06fffff]
    [ 0.181187] pci 0000:00:1c.1: bridge window [mem 0xe0500000-0xe05fffff 64bit pref]
    [ 0.181201] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7]
    [ 0.181205] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff]
    [ 0.181209] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
    [ 0.181212] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff]
    [ 0.181216] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff]
    [ 0.181219] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff]
    [ 0.181223] pci_bus 0000:00: resource 10 [mem 0x000d0000-0x000d3fff]
    [ 0.181226] pci_bus 0000:00: resource 11 [mem 0x000d4000-0x000d7fff]
    [ 0.181230] pci_bus 0000:00: resource 12 [mem 0x000d8000-0x000dbfff]
    [ 0.181233] pci_bus 0000:00: resource 13 [mem 0x000dc000-0x000dffff]
    [ 0.181237] pci_bus 0000:00: resource 14 [mem 0x000e0000-0x000e3fff]
    [ 0.181240] pci_bus 0000:00: resource 15 [mem 0x000e4000-0x000e7fff]
    [ 0.181243] pci_bus 0000:00: resource 16 [mem 0x000e8000-0x000ebfff]
    [ 0.181247] pci_bus 0000:00: resource 17 [mem 0x000ec000-0x000effff]
    [ 0.181250] pci_bus 0000:00: resource 18 [mem 0x000f0000-0x000fffff]
    [ 0.181254] pci_bus 0000:00: resource 19 [mem 0xafa00000-0xfebfffff]
    [ 0.181257] pci_bus 0000:00: resource 20 [mem 0xfed40000-0xfed44fff]
    [ 0.181262] pci_bus 0000:01: resource 1 [mem 0xe0400000-0xe04fffff]
    [ 0.181266] pci_bus 0000:02: resource 1 [mem 0xe0600000-0xe06fffff]
    [ 0.181269] pci_bus 0000:02: resource 2 [mem 0xe0500000-0xe05fffff 64bit pref]
    [ 0.181319] NET: Registered protocol family 2
    [ 0.181671] TCP established hash table entries: 32768 (order: 6, 262144 bytes)
    [ 0.181835] TCP bind hash table entries: 32768 (order: 7, 524288 bytes)
    [ 0.181980] TCP: Hash tables configured (established 32768 bind 32768)
    [ 0.182017] TCP: reno registered
    [ 0.182031] UDP hash table entries: 2048 (order: 4, 65536 bytes)
    [ 0.182066] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes)
    [ 0.182162] NET: Registered protocol family 1
    [ 0.182192] pci 0000:00:02.0: Video device with shadowed ROM
    [ 0.182773] PCI: CLS 64 bytes, default 64
    [ 0.182860] Unpacking initramfs...
    [ 0.302677] Freeing initrd memory: 3232K (ffff8800379a0000 - ffff880037cc8000)
    [ 0.302693] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
    [ 0.302698] software IO TLB [mem 0xa8ee4000-0xacee4000] (64MB) mapped at [ffff8800a8ee4000-ffff8800acee3fff]
    [ 0.302960] RAPL PMU detected, hw unit 2^-16 Joules, API unit is 2^-32 Joules, 3 fixed counters 163840 ms ovfl timer
    [ 0.303038] microcode: CPU0 sig=0x206a7, pf=0x10, revision=0x28
    [ 0.303051] microcode: CPU1 sig=0x206a7, pf=0x10, revision=0x28
    [ 0.303148] microcode: Microcode Update Driver: v2.00 <[email protected]>, Peter Oruba
    [ 0.303201] Scanning for low memory corruption every 60 seconds
    [ 0.303637] futex hash table entries: 512 (order: 3, 32768 bytes)
    [ 0.303657] Initialise system trusted keyring
    [ 0.304287] HugeTLB registered 2 MB page size, pre-allocated 0 pages
    [ 0.307213] zpool: loaded
    [ 0.307219] zbud: loaded
    [ 0.307572] VFS: Disk quotas dquot_6.5.2
    [ 0.307644] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
    [ 0.307867] msgmni has been set to 7783
    [ 0.307975] Key type big_key registered
    [ 0.308262] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
    [ 0.308317] io scheduler noop registered
    [ 0.308322] io scheduler deadline registered
    [ 0.308380] io scheduler cfq registered (default)
    [ 0.308697] pcieport 0000:00:1c.0: irq 24 for MSI/MSI-X
    [ 0.308978] pcieport 0000:00:1c.1: irq 25 for MSI/MSI-X
    [ 0.309161] pcieport 0000:00:1c.0: Signaling PME through PCIe PME interrupt
    [ 0.309165] pci 0000:01:00.0: Signaling PME through PCIe PME interrupt
    [ 0.309172] pcie_pme 0000:00:1c.0:pcie01: service driver pcie_pme loaded
    [ 0.309208] pcieport 0000:00:1c.1: Signaling PME through PCIe PME interrupt
    [ 0.309212] pci 0000:02:00.0: Signaling PME through PCIe PME interrupt
    [ 0.309215] pci 0000:02:00.1: Signaling PME through PCIe PME interrupt
    [ 0.309223] pcie_pme 0000:00:1c.1:pcie01: service driver pcie_pme loaded
    [ 0.309253] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
    [ 0.309285] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
    [ 0.309344] vesafb: mode is 1366x768x32, linelength=5504, pages=0
    [ 0.309346] vesafb: scrolling: redraw
    [ 0.309350] vesafb: Truecolor: size=8:8:8:8, shift=24:16:8:0
    [ 0.309380] vesafb: framebuffer at 0xd0000000, mapped to 0xffffc90004780000, using 4160k, total 4160k
    [ 0.315773] Console: switching to colour frame buffer device 170x48
    [ 0.321847] fb0: VESA VGA frame buffer device
    [ 0.321882] intel_idle: MWAIT substates: 0x21120
    [ 0.321884] intel_idle: v0.4 model 0x2A
    [ 0.321887] intel_idle: lapic_timer_reliable_states 0xffffffff
    [ 0.322122] GHES: HEST is not enabled!
    [ 0.322261] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
    [ 0.323099] Linux agpgart interface v0.103
    [ 0.323175] rtc_cmos 00:03: RTC can wake from S4
    [ 0.323405] rtc_cmos 00:03: rtc core: registered rtc_cmos as rtc0
    [ 0.323444] rtc_cmos 00:03: alarms up to one month, 242 bytes nvram, hpet irqs
    [ 0.323464] Intel P-state driver initializing.
    [ 0.323700] ledtrig-cpu: registered to indicate activity on CPUs
    [ 0.323974] TCP: cubic registered
    [ 0.324249] NET: Registered protocol family 10
    [ 0.324810] NET: Registered protocol family 17
    [ 0.325630] Loading compiled-in X.509 certificates
    [ 0.325667] registered taskstats version 1
    [ 0.326469] Magic number: 2:425:406
    [ 0.326624] rtc_cmos 00:03: setting system clock to 2014-10-27 00:25:43 UTC (1414369543)
    [ 0.326771] PM: Hibernation image not present or could not be loaded.
    [ 0.328979] Freeing unused kernel memory: 1140K (ffffffff818e5000 - ffffffff81a02000)
    [ 0.328984] Write protecting the kernel read-only data: 8192k
    [ 0.334234] Freeing unused kernel memory: 752K (ffff880001544000 - ffff880001600000)
    [ 0.336362] Freeing unused kernel memory: 336K (ffff8800017ac000 - ffff880001800000)
    [ 0.352574] random: systemd-tmpfile urandom read with 1 bits of entropy available
    [ 0.355532] systemd-udevd[47]: starting version 216
    [ 0.387858] ACPI: bus type USB registered
    [ 0.387913] usbcore: registered new interface driver usbfs
    [ 0.387936] usbcore: registered new interface driver hub
    [ 0.388039] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1
    [ 0.388042] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp
    [ 0.391270] usbcore: registered new device driver usb
    [ 0.392129] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
    [ 0.392223] sdhci: Secure Digital Host Controller Interface driver
    [ 0.392228] sdhci: Copyright(c) Pierre Ossman
    [ 0.392414] ehci-pci: EHCI PCI platform driver
    [ 0.392656] ehci-pci 0000:00:1a.0: EHCI Host Controller
    [ 0.392671] ehci-pci 0000:00:1a.0: new USB bus registered, assigned bus number 1
    [ 0.392674] sdhci-pci 0000:02:00.1: SDHCI controller found [14e4:16bc] (rev 10)
    [ 0.392714] ehci-pci 0000:00:1a.0: debug port 2
    [ 0.393158] sdhci-pci 0000:02:00.1: No vmmc regulator found
    [ 0.393163] sdhci-pci 0000:02:00.1: No vqmmc regulator found
    [ 0.395522] mmc0: SDHCI controller on PCI [0000:02:00.1] using ADMA
    [ 0.397372] SCSI subsystem initialized
    [ 0.400613] ehci-pci 0000:00:1a.0: cache line size of 64 is not supported
    [ 0.400649] ehci-pci 0000:00:1a.0: irq 21, io mem 0xe0705800
    [ 0.402598] serio: i8042 KBD port at 0x60,0x64 irq 1
    [ 0.402906] libata version 3.00 loaded.
    [ 0.408631] ehci-pci 0000:00:1a.0: USB 2.0 started, EHCI 1.00
    [ 0.408994] hub 1-0:1.0: USB hub found
    [ 0.409010] hub 1-0:1.0: 3 ports detected
    [ 0.409474] ehci-pci 0000:00:1d.0: EHCI Host Controller
    [ 0.409486] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 2
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