linux-kernel - Re: [PATCH 13/13] ASoC: ti: davinci-i2s: Opitonally drive DX pin during capture streams

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Message-ID: <106a9957-cf7f-4789-8edc-fdc641cd854a@bootlin.com>
Date: Fri, 29 Mar 2024 14:24:07 +0100
From: Bastien Curutchet <bastien.curutchet@...tlin.com>
To: Péter Ujfalusi <peter.ujfalusi@...il.com>,
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
 Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>
Cc: linux-sound@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, herve.codina@...tlin.com,
 christophercordahi@...ometrics.ca
Subject: Re: [PATCH 13/13] ASoC: ti: davinci-i2s: Opitonally drive DX pin
 during capture streams

Hi Péter,

>> Can you use aplay /dev/zero and a DT property to select T1 framing for
>> the playback? Or that would be too coarse for timing the start of
>> playback and capture?
>>
> 
> That's a good idea, thank you. I'll try this and come back to you.
> 
>

I tried it and it works fine, thank you.

We still need to run some performance tests before fully adopting it but
anyway I'll send a new iteration of the patch series that drops the
drive-dx part and just keeps a DT property to select T1 framing.

Best regards,
Bastien