[alsa-devel] [PATCH] ALSA: HDA: Fix front mic on Dell Precision M6500

David Henningsson david.henningsson at canonical.com
Fri Sep 3 05:43:57 CEST 2010

2010-08-31 11:10, Takashi Iwai skrev:
> At Tue, 31 Aug 2010 11:01:40 +0200,
> David Henningsson wrote:
>> 2010-08-30 18:58, Takashi Iwai skrev:
>>> At Thu, 26 Aug 2010 12:22:42 +0200,
>>> I wrote:
>>>> At Mon, 23 Aug 2010 21:25:55 +0200,
>>>> David Henningsson wrote:
>>>>> I admit that the best thing would be to make the driver support all
>>>>> three mics, but at this point, the alsa driver can only support two, one
>>>>> called "mic" and one called "front mic". I believe the best choice is to
>>>>> select the internal mic as "front mic" and the mic jack on the laptop as
>>>>> "mic", thus leaving the docking station mic jack non-functional.
>>>>> The behavior without this patch is to select the mic jack on the laptop
>>>>> as "mic" and the mic on the docking station as "front mic", thus leaving
>>>>> the internal mic non-functional in all cases, and that regardless of you
>>>>> have a docking station or not.
>>>> OK, here is a test patch for fixing more intensively.  (I just did
>>>> build-test, totally untested with real machines :)
>>>> It basically extends the config parser to allow multiple input pins
>>>> assigned for a single type.  The old input_pins field is kept for
>>>> other drivers, so that it won't give regressions.  It'll be removed
>>>> in future.
>>> As my tests with hda-emu through all codec data passed well, I
>>> committed the fixes to sound git tree now.
>>> Give the latest alsa-driver snapshot try.
>> Thanks, I'll try to get someone to test it :-)
> Great, thanks.

Got a response saying: "Working, had to select microphone 2."

David Henningsson, Canonical Ltd.

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