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

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Message-ID: <20190109183836.GI10405@sirena.org.uk>
Date:   Wed, 9 Jan 2019 18:38:36 +0000
From:   Mark Brown <broonie@...nel.org>
To:     b-ak <anur.bhargav@...il.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: tlv320aic32x4: SND_SOC_DAPM_MICBIAS is deprecated

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!

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