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Date: Wed, 2 Nov 2011 14:40:44 +0200 From: "Sergey S. Kostyliov" <rathamahata@...il.com> To: Chris Vine <chris@...ne.freeserve.co.uk> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: HDA Intel microphone regression in 3.1.0 On 2 November 2011 12:25, Chris Vine <chris@...ne.freeserve.co.uk> 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. Could you please say do you have CONFIG_SND_HDA_GENERIC == y ? I had experienced the same problem with CONFIG_SND_HDA_GENERIC = y Turning it off it cured the problem for me. > > 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 > > 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 > > lsmod | egrep "snd|sound" gives: > > snd_seq_dummy 1023 0 > snd_seq_oss 23792 0 > snd_seq_midi_event 4408 1 snd_seq_oss > snd_seq 39673 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event > snd_seq_device 4121 3 snd_seq_dummy,snd_seq_oss,snd_seq > snd_pcm_oss 33087 0 > snd_mixer_oss 12647 1 snd_pcm_oss > snd_hda_codec_realtek 205307 1 > snd_hda_intel 18347 2 > snd_hda_codec 64459 2 snd_hda_codec_realtek,snd_hda_intel > snd_hwdep 4420 1 snd_hda_codec > snd_pcm 57725 3 snd_pcm_oss,snd_hda_intel,snd_hda_codec > snd_timer 14567 2 snd_seq,snd_pcm > snd 40539 15 snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer > soundcore 4129 1 snd > snd_page_alloc 5445 2 snd_hda_intel,snd_pcm > > Chris > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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