Re: Dell Studio 14, internal mic

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Matt,

Thanks for the reply.

Please have a look at the alsa-info output I sent (attached to the
previous email). It includes the amixer output which shows no simple
mixer control that provides a "cenum" capability. The only input
control thats available is the "Digital" control which has a
"cvolume". This would indicate (I'd think) that there's probably an
alsa mismatch with the chipset since its not recognizing all the
capabilities of the board. Perhaps not surprising since the Studio 14
has only been around for a few months.

Any further suggestions?

Alistair

<<<< alsa-info snippet >>>>
!!Amixer output
!!-------------

!!-------Mixer controls for card 0 [NVidia]

Card hw:0 'NVidia'/'HDA NVidia at 0xf0980000 irq 17'
  Mixer name	: 'Nvidia MCP7A HDMI'
  Components	: 'HDA:111d7604,102802ba,00100302 HDA:10de0007,102802ba,00100100'
  Controls      : 8
  Simple ctrls  : 4
Simple mixer control 'Master',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 127
  Mono:
  Front Left: Playback 79 [62%] [-36.00dB] [on]
  Front Right: Playback 79 [62%] [-36.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Digital',0
  Capabilities: cvolume
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 120
  Front Left: Capture 60 [50%] [0.00dB]
  Front Right: Capture 60 [50%] [0.00dB]


On Mon, Aug 10, 2009 at 10:46 AM, Matt Zagrabelny<mzagrabe@xxxxxxxxx> wrote:
> Run:
>
> % amixer | less
>
> Here is a snippet from my Dell Inspiron:
>
> Simple mixer control 'Input Source',0
>  Capabilities: cenum
>  Items: 'Mic' 'Front Mic'
>  Item0: 'Mic'
> Simple mixer control 'Input Source',1
>  Capabilities: cenum
>  Items: 'Mic' 'Front Mic'
>  Item0: 'Mic'
>
> 'Front Mic' is the built-in mic and 'Mic' is the external, for me.

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