** Description changed:
Steps to reproduce:
Play music
(Sound comes out of speakers)
Plug headphones in
(Speakers switch off, sound now comes out of headphones)
Reduce volume to 0, or just mute
Increase volume, or unmute
Expected results:
Speakers remain off, sound comes out of headphones.
Actual results:
Speakers come back on, but sound also plays out of headphones. The master
control controls both the headphone and the speaker volume.
+
+ snd-hda-intel in linux 2.6.28-11-generic in Ubuntu 9.04.
+
+ Bug stands since 8.04. Prior to that (with 7.10), the result was
+ different but also buggy in a different way (I don't remember the
+ details).
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio
Controller (rev 03)
Subsystem: Apple Computer Inc. Device 00a0
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 256 bytes
Interrupt: pin A routed to IRQ 20
Region 0: Memory at 9b500000 (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 (v1) Root Complex Integrated Endpoint, MSI
00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns,
L1 <1us
ExtTag- RBE- FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+
TransPend-
LnkCap: Port #0, Speed unknown, Width x0, ASPM unknown,
Latency L0 <64ns, L1 <1us
ClockPM- Suprise- LLActRep- BwNot-
LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk-
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed unknown, Width x0, TrErr- Train- SlotClk-
DLActive- BWMgmt- ABWMgmt-
Capabilities: [100] Virtual Channel <?>
Capabilities: [130] Root Complex Link <?>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
--
Muting and unmuting Master channel when headphones are plugged in causes
internal speaker to unmute on MacBook Pro
https://bugs.launchpad.net/bugs/212051
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