linux-kernel - Re: [PATCH v6 5/6] ASoC: codecs: wcd938x: add mux control support for hp audio mux

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Message-ID: <f7tgzuapeb7pwg6ygp4kpxoziuwb5jjcix5o33aoehd3dixcog@4nzt3tgcfca2>
Date: Thu, 27 Mar 2025 14:13:17 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: srinivas.kandagatla@...aro.org
Cc: peda@...ntia.se, broonie@...nel.org, andersson@...nel.org,
        krzk+dt@...nel.org, ivprusov@...utedevices.com,
        luca.ceresoli@...tlin.com, zhoubinbin@...ngson.cn,
        paulha@...nsource.cirrus.com, lgirdwood@...il.com, robh@...nel.org,
        conor+dt@...nel.org, konradybcio@...nel.org, perex@...ex.cz,
        tiwai@...e.com, linux-sound@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, johan+linaro@...nel.org,
        Christopher Obbard <christopher.obbard@...aro.org>
Subject: Re: [PATCH v6 5/6] ASoC: codecs: wcd938x: add mux control support
 for hp audio mux

On Thu, Mar 27, 2025 at 10:06:32AM +0000, srinivas.kandagatla@...aro.org wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> 
> On some platforms to minimise pop and click during switching between
> CTIA and OMTP headset an additional HiFi mux is used. Most common
> case is that this switch is switched on by default, but on some
> platforms this needs a regulator enable.
> 
> move to using mux control to enable both regulator and handle gpios,
> deprecate the usage of gpio.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> Tested-by: Christopher Obbard <christopher.obbard@...aro.org>
> ---
>  sound/soc/codecs/Kconfig   |  1 +
>  sound/soc/codecs/wcd938x.c | 55 ++++++++++++++++++++++++++++++--------
>  2 files changed, 45 insertions(+), 11 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>

-- 
With best wishes
Dmitry