Thank you, does that mean I need a device tree overlay that tells the
driver I'm using a mic as well as line in?
Will I need to recompile the kernel to apply this patch?
On Tuesday, 3 June 2014 17:48:15 UTC+1, lisarden wrote:
>
> Hi!
>
> diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c
> index 7ad7b37..e196aa5 100644
> --- a/sound/soc/davinci/davinci-evm.c
> +++ b/sound/soc/davinci/davinci-evm.c
> @@ -117,15 +117,13 @@ static const struct snd_soc_dapm_route audio_map[] = {
> {"Line Out", NULL, "RLOUT"},
>
> /* Mic connected to (MIC3L | MIC3R) */
> - {"MIC3L", NULL, "Mic Bias 2V"},
> - {"MIC3R", NULL, "Mic Bias 2V"},
> - {"Mic Bias 2V", NULL, "Mic Jack"},
> + {"LINE2L", NULL, "Mic Bias 2.5V"},
> + {"LINE2R", NULL, "Mic Bias 2.5V"},
> + {"Mic Bias 2.5V", NULL, "Mic Jack"},
>
> /* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */
> {"LINE1L", NULL, "Line In"},
> - {"LINE2L", NULL, "Line In"},
> {"LINE1R", NULL, "Line In"},
> - {"LINE2R", NULL, "Line In"},
> };
>
>
>
>
> 2014-06-03 20:14 GMT+04:00 Tristan Phillips <[email protected]
> <javascript:>>:
>
>>
>> Hi,
>>
>> I'm wondering how I can set the mic bias voltage level on the Audio Cape,
>> it is currently off and I cannot get my mic to work. Can I do this via
>> alsa or something similar?
>>
>> Thank you,
>>
>> Tris
>>
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>
>
>
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