linux-kernel - Re: [PATCH v3 2/5] ASoC: codecs: msm8916-wcd-analog: get micbias voltage from dt

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Message-ID: <20170810152437.ezfhi7cukutyabmt@sirena.org.uk>
Date:   Thu, 10 Aug 2017 16:24:37 +0100
From:   Mark Brown <broonie@...nel.org>
To:     srinivas.kandagatla@...aro.org
Cc:     Banajit Goswami <bgoswami@...eaurora.org>,
        alsa-devel@...a-project.org, damien.riegel@...oirfairelinux.com,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Patrick Lai <plai@...eaurora.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/5] ASoC: codecs: msm8916-wcd-analog: get micbias
 voltage from dt

On Wed, Aug 09, 2017 at 06:49:24PM +0200, srinivas.kandagatla@...aro.org wrote:

> -	snd_soc_write(codec, CDC_A_MICB_1_VAL, MICB_1_VAL_MICB_OUT_VAL_V2P70V);
> -	/*
> -	 * Special headset needs MICBIAS as 2.7V so wait for
> -	 * 50 msec for the MICBIAS to reach 2.7 volts.
> -	 */
> -	msleep(50);
> +	if (wcd->micbias_mv)

We seem to have just completely lost this ramp time handling?

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