linux-kernel - Re: [PATCH RFC v2 3/6] ASoC: soc: qcom: sc8280xp: add support for I2S clocks

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Message-ID: <60fc5816-e552-4407-bc85-7c1408b4118b@linaro.org>
Date: Thu, 9 Oct 2025 13:44:42 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Alexey Klimov <alexey.klimov@...aro.org>,
 Srinivas Kandagatla <srini@...nel.org>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-sound@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH RFC v2 3/6] ASoC: soc: qcom: sc8280xp: add support for I2S
 clocks

On 10/9/25 13:21, Alexey Klimov wrote:
> On Wed Oct 8, 2025 at 7:56 PM BST, Neil Armstrong wrote:
>> Add support for getting the I2S clocks used for the MI2S
>> interfaces, and enable/disable the clocks on the PCM
>> startup and shutdown card callbacks.
>>
>> The rate can be easily calculated since the card forces 48Hz,
>> 2 channels at 16bit slot size.
> 
> 48 kHz?

Yeah obviously, I'll fix the commit log.

Neil

> 
> 48 Hz rate will result in too narrow analog range to reconstruct anything
> apart from beeps probably.
> 
> Best regards,
> Alexey