Messages in this thread | | | Date | Wed, 02 Nov 2011 12:09:03 +0100 | From | Takashi Iwai <> | Subject | Re: HDA Intel microphone regression in 3.1.0 |
| |
At Wed, 2 Nov 2011 11:54:42 +0100, Borislav Petkov wrote: > > (adding some more people to Cc) > > On Wed, Nov 02, 2011 at 10:25:54AM +0000, Chris Vine wrote: > > My Lenovo S12 IdeaPad netbook uses a HDA Intel sound card with Realtek > > ALC269 chip. With the 3.1.0 kernel, all microphone input (both with the > > internal microphone and any external microphone) is permanently > > muted, although sound output works OK. Microphone input works correctly > > with the 3.0 and earlier kernels. > > > > The only obvious difference between the 3.0 and 3.1 kernels is that > > with kernel 3.0.7, 'dmesg | grep HDA' gives this: > > > > HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 > > HDA Intel 0000:00:1b.0: setting latency timer to 64 > > input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input10 > > input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11 > > input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12 > > > > whereas with kernel 3.1.0 it just gives: > > > > input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input9 > > input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10 > > input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
It's just a red herring.
> > lspci -v gives the following audio hardware information: > > > > 00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02) > > Subsystem: Lenovo Device 3be9 > > Flags: bus master, fast devsel, latency 0, IRQ 22 > > Memory at fc140000 (64-bit, non-prefetchable) [size=16K] > > Capabilities: [50] Power Management version 2 > > Capabilities: [60] MSI: Enable- Count=1/1 Maskable- 64bit+ > > Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00 > > Capabilities: [100] Virtual Channel > > Capabilities: [130] Root Complex Link > > Kernel driver in use: snd_hda_intel > > Kernel modules: snd-hda-intel
Please give alsa-info.sh outputs taken from both 3.0 and 3.1 kernels.
thanks,
Takashi
| |