linux-kernel - Re: [PATCH v23 32/32] ASoC: doc: Add documentation for SOC USB

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Date: Wed, 12 Jun 2024 19:25:19 +0700
From: Bagas Sanjaya <bagasdotme@...il.com>
To: Wesley Cheng <quic_wcheng@...cinc.com>, srinivas.kandagatla@...aro.org,
	mathias.nyman@...el.com, perex@...ex.cz, conor+dt@...nel.org,
	corbet@....net, broonie@...nel.org, lgirdwood@...il.com,
	krzk+dt@...nel.org, Thinh.Nguyen@...opsys.com, bgoswami@...cinc.com,
	tiwai@...e.com, robh@...nel.org, gregkh@...uxfoundation.org
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-sound@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, linux-doc@...r.kernel.org,
	alsa-devel@...a-project.org
Subject: Re: [PATCH v23 32/32] ASoC: doc: Add documentation for SOC USB

On Mon, Jun 10, 2024 at 04:58:08PM -0700, Wesley Cheng wrote:
> +Overview
> +========
> +In order to leverage the existing USB sound device support in ALSA, the
> +introduction of the ASoC USB APIs, allow for the entities to communicate
> +with one another.
"... ASoC USB APIs are introduced to allow for ..."

> +USB Audio Device Connection Flow
> +--------------------------------
> +USB devices can be hotplugged into the USB root hub at any point in time.
> +The BE DAI link should be aware of the current state of the physical USB
> +port, i.e. if there are any USB devices with audio interface(s) connected.
> +The following callback can be used to notify the BE DAI link of any change:
> +
> +	**connection_status_cb()**
"... connection_status_cb() can be used to ..."

Thanks.

-- 
An old man doll... just what I always wanted! - Clara

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