Received-SPF: pass (google.com: domain of linux-kernel+bounces-173286-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) client-ip=2604:1380:40f1:3f00::1;
Message-ID: <507953f7-c4da-499b-bcd7-76be0e04b766@linux.intel.com>
Date: Tue, 7 May 2024 15:26:10 -0500
Precedence: bulk
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Subject: Re: [PATCH v21 07/39] ASoC: Add SOC USB APIs for adding an USB
 backend
To: Wesley Cheng <quic_wcheng@quicinc.com>, srinivas.kandagatla@linaro.org,
 mathias.nyman@intel.com, perex@perex.cz, conor+dt@kernel.org,
 corbet@lwn.net, lgirdwood@gmail.com, andersson@kernel.org,
 krzk+dt@kernel.org, gregkh@linuxfoundation.org, Thinh.Nguyen@synopsys.com,
 broonie@kernel.org, bgoswami@quicinc.com, tiwai@suse.com,
 bagasdotme@gmail.com, robh@kernel.org, konrad.dybcio@linaro.org
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
 linux-sound@vger.kernel.org, linux-usb@vger.kernel.org,
 linux-arm-msm@vger.kernel.org, linux-doc@vger.kernel.org,
 alsa-devel@alsa-project.org
References: <20240507195116.9464-1-quic_wcheng@quicinc.com>
 <20240507195116.9464-8-quic_wcheng@quicinc.com>
Content-Language: en-US
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
In-Reply-To: <20240507195116.9464-8-quic_wcheng@quicinc.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit


> +const char *snd_soc_usb_get_components_tag(bool playback)
> +{
> +	if (playback)
> +		return "usbplaybackoffload: 1";
> +	else
> +		return "usbcaptureoffload : 1";

why are there different spaces and do we need spaces in the first place?

> +int snd_soc_usb_add_port(struct snd_soc_usb *usb)
> +{
> +	mutex_lock(&ctx_mutex);
> +	list_add_tail(&usb->list, &usb_ctx_list);
> +	mutex_unlock(&ctx_mutex);
> +
> +	return 0;

make the function return void?

> +int snd_soc_usb_remove_port(struct snd_soc_usb *usb)
> +{
> +	struct snd_soc_usb *ctx, *tmp;
> +
> +	mutex_lock(&ctx_mutex);
> +	list_for_each_entry_safe(ctx, tmp, &usb_ctx_list, list) {
> +		if (ctx == usb) {
> +			list_del(&ctx->list);
> +			break;
> +		}
> +	}
> +	mutex_unlock(&ctx_mutex);
> +
> +	return 0;

make this return void?