linux-kernel - Re: [PATCH] ASoC: tlv320aic32x4: SND_SOC_DAPM

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Message-ID: <20190109185124.GA15153@Ideapad-330S>
Date:   Thu, 10 Jan 2019 00:21:24 +0530
From:   b-ak <anur.bhargav@...il.com>
To:     Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: tlv320aic32x4: SND_SOC_DAPM_MICBIAS is deprecated

On Wed, Jan 09, 2019 at 06:38:36PM +0000, Mark Brown wrote:
> On Wed, Jan 09, 2019 at 10:41:21PM +0530, b-ak wrote:
> > SND_SOC_DAPM_MICBIAS is deprecated, replace it with SND_SOC_DAPM_SUPPLY.
> > 
> > MICBIAS voltage wasn't supplied to the microphone with the older
> > SND_SOC_DAPM_MICBIAS widget, hence the microphone wouldn't work.
> > 
> > This patch fixes the problem.
> 
> Note that the reason we've not done that already for everything is that
> the DAPM graph needs updating for the new routing in machine drivers as
> the two widgets are wired differently.  However this is fine here as
> there aren't any in tree users I can see so I'll apply, thanks!

Hello Mark,

Thank you so much for that.

And can you please point me to some documentation of the new updates talking about the
differences in the routing?

- Bhargav