From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Hong Xu <hong.xu@atmel.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: [PATCH] ASoC: Add MICBIAS routing information for WM8904
Date: Fri, 16 Mar 2012 19:04:53 +0000 [thread overview]
Message-ID: <20120316190450.GE3158@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1331888098-28717-1-git-send-email-hong.xu@atmel.com>
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On Fri, Mar 16, 2012 at 04:54:58PM +0800, Hong Xu wrote:
> static const struct snd_soc_dapm_route adc_intercon[] = {
> + { "MICBIAS", NULL, "IN1L" },
> + { "MICBIAS", NULL, "IN1R" },
> +
> + { "Left Capture Mux", NULL, "MICBIAS" },
> + { "Right Capture Mux", NULL, "MICBIAS" },
> + { "Left Capture Inverting Mux", NULL, "MICBIAS" },
> + { "Right Capture Inverting Mux", NULL, "MICBIAS" },
> +
No, this is not something that the CODEC driver should do - the machine
driver should add connections for MICBIAS as this is something that's
determined by the board design. The board could for example use some or
all of the inputs as simple line inputs (no bias needed), or it could
use an external MICBIAS for some reason.
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next prev parent reply other threads:[~2012-03-16 19:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-16 8:54 [PATCH] ASoC: Add MICBIAS routing information for WM8904 Hong Xu
2012-03-16 19:04 ` Mark Brown [this message]
2012-03-19 1:15 ` Xu, Hong
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