Public bug reported:
Binary package hint: linux-source-2.6.20
I have a Fujitsu-Siemens Amilo Si1520 laptop running an uptodate Feisty.
If I use the latest Ubuntu kernel version (git as of: 2007-03-09) in
feisty on this computer the autosensing/automuting of internal speaker
and headphone jack does not behave as expected. This behavior can also
be observed on the Amilo Pro v3205)
Problem:
When I plug my headphones in, the internal speakers get muted but no
sound is outputted to the headphones. (I hear sound for a very short time (0.5
sec) in my hp, then all quiet).
If I comment out the contents of the function "cxt5045_hp_automute" in
sound/pci/hda/patch_conexant.c everything works as expected (hp in = Only sound
in hp, hp out = only internal speakers). This leads me to believe that my
computer have autosensing/automuting done in hardware (or something similar)
and when the driver also do automuting the wrong mixer channels get muted.
Note:
The same behavior, but in reverse, can be observed with git ubuntu kernel
versions before commit 5bb5522b65050a448245acdb42a63a590c385921 , i.e. I have
sound in hp when they are plugged in, but with them unplugged no sound in hp
nor internal speaker.
lspci -vvn output for relevant hardware:
00:1b.0 0403: 8086:27d8 (rev 02)
Subsystem: 1734:10ad
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 23
Region 0: Memory at dc240000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable-
Address: 0000000000000000 Data: 0000
Capabilities: [70] Express Unknown type IRQ 0
Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag-
Device: Latency L0s <64ns, L1 <1us
Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported-
Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+
Device: MaxPayload 128 bytes, MaxReadReq 128 bytes
Link: Supported Speed unknown, Width x0, ASPM unknown, Port 0
Link: Latency L0s <64ns, L1 <1us
Link: ASPM Disabled CommClk- ExtSynch-
Link: Speed unknown, Width x0
Capabilities: [100] Virtual Channel
Capabilities: [130] Unknown (5)
** Affects: linux-source-2.6.20 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
--
Headphone autosensing/automuting not working as expected
https://launchpad.net/bugs/90830
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
