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Message-ID: <ZcNxuyRJdZCryHU_@hovoldconsulting.com>
Date: Wed, 7 Feb 2024 13:04:11 +0100
From: Johan Hovold <johan@...nel.org>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: Steev Klimaszewski <steev@...i.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sc8280xp-x13s: correct analogue
 microphone route

On Wed, Feb 07, 2024 at 11:05:02AM +0000, Srinivas Kandagatla wrote:
> On 05/02/2024 08:09, Johan Hovold wrote:
> > On Sun, Feb 04, 2024 at 11:30:54PM -0600, Steev Klimaszewski wrote:

> >> I somehow missed that patchset or conversation; As an owner of an
> >> X13s, which is sc8280xp, I can say, neither pre-dts patch, nor post,
> >> seem to do much good.  When I attempt to do a voice chat in armcord,
> >> the responses I get to how I sound when using the mic on the X13s
> >> itself range from "You sound like hot trash" to "You sound like a
> >> robot with hiccups".
> 
> does arecord exhibit same issue?

I only did a quick test by switching from pulseaudio to pipewire and
running parecord. Recording is corrupted (robot with hiccups), while it
works fine with pulseaudio proper.

You can also notice that something is off by looking at the pavucontrol
volume meters which were quite active.

> What is your setup looking like? I would like to reproduce this on my x13s.

I know that Steve is using pipewire (on Kali Linux I assume).

> > That's a separate issue entirely. Both the digital and analog microphone
> > (jack) is working on the X13s as long as you use pulseaudio.
> > 
> > As I've mentioned before, there are problems with both playback and
> > capture when you use pipewire however ("robot with hiccups" one could
> > indeed describe it as).

Johan

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