linux-kernel - Re: [ASoC] Mic record is not working with wm9713 ASoC driver

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Date:	Wed, 9 May 2007 03:21:05 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Nobin Mathew" <nobin.mathew@...il.com>
Cc:	linux-kernel@...r.kernel.org, Jaroslav Kysela <perex@...e.cz>,
	Takashi Iwai <tiwai@...e.de>
Subject: Re: [ASoC] Mic record is not working with wm9713 ASoC driver

On Wed, 9 May 2007 14:48:54 +0530 "Nobin Mathew" <nobin.mathew@...il.com> wrote:

> I am trying to record mic with AsoC wm9713 driver. My Mic is connected "Mic 1".
> 
> My settings
> 
> 'Mic A Source' -> "Mic 1"
> 'Mic Boost (+20dB)' [on]
> 'Capture' [on]
> 'Left Capture Source' "Mic 1"
> 'Right Capture Source' "Mic 1"
> 
> 
> i am issuing following command to record
> "arecord -M -f S16_LE sound.wav"
> 
> But what i found is driver is not enabling "Mic bias" and "Mic A PGA"
> 
> this dump of /sys/devices/platform/soc-audio/dapm_widget while
> "arecord" is running is given below
> 
> 
> Mic Bias: Off
> Mic B Pre Amp: Off
> Mic A Pre Amp: On
> Mic B PGA: Off
> Mic A PGA: Off
> Mono In: Off
> Right Line In: Off
> Left Line In: Off
> Mono Out: Off
> Out 4: Off
> Out 3: Off
> Right Speaker: Off
> Left Speaker: Off
> Right Headphone: Off
> Left Headphone: Off
> Right ADC: On
> Left ADC: On
> Aux DAC: Off
> Voice DAC: Off
> Capture Mixer: Off
> HP Mixer: Off
> AC97 Mixer: Off
> Right DAC: Off
> Left DAC: Off
> Speaker Mixer: Off
> Mono Mixer: Off
> Right HP Mixer: Off
> Left HP Mixer: Off
> PM State: D0
> 
> In idea why this is happening?
> what is going wrong with my settings?
> 

(maintainers cc'ed)
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