The fix(new firmware) is already in Trusty and Utopic.
** Changed in: linux-firmware (Ubuntu Utopic)
Status: In Progress => Fix Released
** Changed in: linux-firmware (Ubuntu Trusty)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1310558
Title:
Intel [8087:07dc] Bluetooth headset only works in A2DP mode on Dell
Latitude E5440
Status in “linux-firmware” package in Ubuntu:
Fix Released
Status in “linux-firmware” source package in Saucy:
In Progress
Status in “linux-firmware” source package in Trusty:
Fix Released
Status in “linux-firmware” source package in Utopic:
Fix Released
Bug description:
CID: 201307-13941 Dell Latitude E5440
The Bluetooth HSP/HFP mode does not work on this system,
however, this chipset, 8087:07dc, works fine on 201307-14037 with the same
kernel.
lsusb -v output for this device slightly different on these two system
(difference in the bus number and device number)
Steps:
1. Install 12.04.4 + update (3.11.0-19), boot to desktop
2. Pair with a Bluetooth headset
3. Set this Bluetooth headset as Input / Output source in "Sound Settings"
4. Speak into your headset, use "Sound recorder" to record with HSP/HFP mode
5. Test playback functionality in HSP/HFP mode
6. Switch to A2DP mode, play sound to test it.
Expected results:
* Bluetooth headset works fine in HSP/HFP and A2DP mode
Actual results:
* It only works in A2DP mode, unable to record and play a sound in HSP/HFP
mode.
usb-devices output:
T: Bus=01 Lev=03 Prnt=04 Port=01 Cnt=02 Dev#= 6 Spd=12 MxCh= 0
D: Ver= 2.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=8087 ProdID=07dc Rev=00.01
C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
The difference between these two system could be found in lsusb -t result,
for this one, it's on level 3, with a hub driven by ehci-pci driver.
ubuntu@201307-13941:~$ lsusb -t
1-1.8.4.2:1.0: No such file or directory
1-1.8.1:1.0: No such file or directory
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/9p, 480M
|__ Port 1: Dev 3, If 0, Class=stor., Driver=usb-storage, 480M
|__ Port 6: Dev 2, If 0, Class='bInterfaceClass 0x0e not yet handled',
Driver=uvcvideo, 480M
|__ Port 6: Dev 2, If 1, Class='bInterfaceClass 0x0e not yet handled',
Driver=uvcvideo, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
|__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/8p, 480M
|__ Port 7: Dev 3, If 0, Class=HID, Driver=usbhid, 12M
|__ Port 8: Dev 4, If 0, Class=hub, Driver=hub/4p, 480M
|__ Port 1: Dev 5, If 0, Class=vend., Driver=, 12M
|__ Port 2: Dev 6, If 0, Class='bInterfaceClass 0xe0 not yet
handled', Driver=btusb, 12M
|__ Port 2: Dev 6, If 1, Class='bInterfaceClass 0xe0 not yet
handled', Driver=btusb, 12M
|__ Port 4: Dev 7, If 0, Class=hub, Driver=hub/4p, 12M
|__ Port 2: Dev 8, If 0, Class=scard, Driver=, 12M
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.11.0-19-generic 3.11.0-19.33~precise1
ProcVersionSignature: Ubuntu 3.11.0-19.33~precise1-generic 3.11.10.5
Uname: Linux 3.11.0-19-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k3.11.0-19-generic.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 1: PCH [HDA Intel PCH], device 0: ALC292 Analog [ALC292 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ubuntu 1645 F.... pulseaudio
/dev/snd/controlC0: ubuntu 1645 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'MID'/'HDA Intel MID at 0xf7434000 irq 64'
Mixer name : 'Intel Haswell HDMI'
Components : 'HDA:80862807,80860101,00100000'
Controls : 21
Simple ctrls : 3
Card1.Amixer.info:
Card hw:1 'PCH'/'HDA Intel PCH at 0xf7430000 irq 65'
Mixer name : 'Realtek ALC292'
Components : 'HDA:10ec0292,102805de,00100001'
Controls : 28
Simple ctrls : 13
Date: Mon Apr 21 06:15:44 2014
HibernationDevice: RESUME=UUID=1cfd99fb-54b6-4cc8-a24a-8db63ee87d24
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64
(20140204)
MachineType: Dell Inc. Latitude E5440
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-19-generic
root=UUID=823ebc42-ec31-482a-ac2f-5d02316430ae ro quiet splash initcall_debug
RelatedPackageVersions:
linux-restricted-modules-3.11.0-19-generic N/A
linux-backports-modules-3.11.0-19-generic N/A
linux-firmware 1.79.11
SourcePackage: linux-lts-saucy
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/18/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A01
dmi.board.name: 01348G
dmi.board.vendor: Dell Inc.
dmi.board.version: X02
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA01:bd09/18/2013:svnDellInc.:pnLatitudeE5440:pvr01:rvnDellInc.:rn01348G:rvrX02:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E5440
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
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