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Message-ID: <s5htylbxn6b.wl%tiwai@suse.de>
Date:	Mon, 27 Sep 2010 16:42:52 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Jeff Chua <jeff.chua.linux@...il.com>
Cc:	Wu Fengguang <fengguang.wu@...el.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	alsa-announce@...ts.sourceforge.net
Subject: Re: Microphone not working on PCI ID 8086:3b56

At Wed, 15 Sep 2010 06:32:22 +0800 (SGT),
Jeff Chua wrote:
> 
> 
> Hi,
> 
> I'm having problem getting the microphone to work on the Lenovo X201s, but 
> the audio output is working fine.
> 
> 
> It's showing up as:
> 
> 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High 
> Definition Audio (rev 06)
>  	[00:1b.0 0403: 8086:3b56 (rev 06)]
> 
> 
> # uname -s
> Linux boston 2.6.36-rc4 #57 SMP PREEMPT Tue Sep 14 05:12:21 EDT 2010 
> x86_64 GNU/Linux
> 
> 
> # cat /proc/asound/devices
>    0: [ 0]   : control
>   16: [ 0- 0]: digital audio playback
>   24: [ 0- 0]: digital audio capture
>   33:        : timer
> 160: [ 5]   : control
> 
> 
> # cat /proc/asound/pcm
> 00-00: CONEXANT Analog : CONEXANT Analog : playback 1 : capture 1
> 
> 
> # dmesg
> thinkpad_acpi: Console audio control enabled, mode: override (read/write)
> input: ThinkPad Extra Buttons as 
> /devices/platform/thinkpad_acpi/input/input6
> HDA Intel 0000:00:1b.0: PCI INT B -> GSI 17 (level, low) -> IRQ 17
> HDA Intel 0000:00:1b.0: irq 45 for MSI/MSI-X
> HDA Intel 0000:00:1b.0: setting latency timer to 64
> hda-codec: No codec parser is available
> ALSA device list:
>    #0: HDA Intel at 0xf2520000 irq 45
>    #5: ThinkPad Console Audio Control at EC reg 0x30, fw 6QHT29WW-1.10
> 
> 
> 
> I've alsa-plugins-1.0.23, alsa-utils-1.0.23, alsa-lib-1.0.23 installed.
> 
> alsamixer is showing Capture at 100%, Analog Mic Boost at 40db and Digital 
> at 100, but captured using "arecord" or "rec" and then playback is all 
> just dead silence!
> 
> Any pointers on how to make this work would be very much appreciated.

Did you try to play with model option for snd-hda-intel driver?
For example, model=lenovo-x200 ?


Takashi
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