linux-kernel - Re: [PATCH v2 2/2] ASoC: qcom: SC7280: Add machine driver

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Message-ID: <7e179a64-2fe8-e761-c247-90ba55fcba82@codeaurora.org>
Date:   Wed, 15 Sep 2021 16:35:19 +0530
From:   Srinivasa Rao Mandadapu <srivasam@...eaurora.org>
To:     Stephen Boyd <swboyd@...omium.org>, agross@...nel.org,
        alsa-devel@...a-project.org, bgoswami@...eaurora.org,
        bjorn.andersson@...aro.org, broonie@...nel.org,
        devicetree@...r.kernel.org, judyhsiao@...omium.org,
        lgirdwood@...il.com, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, perex@...ex.cz, plai@...eaurora.org,
        robh+dt@...nel.org, rohitkr@...eaurora.org,
        srinivas.kandagatla@...aro.org, tiwai@...e.com
Subject: Re: [PATCH v2 2/2] ASoC: qcom: SC7280: Add machine driver


On 9/14/2021 1:19 AM, Stephen Boyd wrote:

Thanks for Your time Stephen!!!
> Quoting Srinivasa Rao Mandadapu (2021-09-13 06:17:42)
>> diff --git a/sound/soc/qcom/sc7280.c b/sound/soc/qcom/sc7280.c
>> new file mode 100644
>> index 0000000..906910c
>> --- /dev/null
>> +++ b/sound/soc/qcom/sc7280.c
>> @@ -0,0 +1,343 @@
>> +// SPDX-License-Identifier: GPL-2.0-only
>> +//
>> +// Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
>> +//
>> +// sc7280.c -- ALSA SoC Machine driver for sc7280
>> +
>> +#include <linux/gpio.h>
>> +#include <linux/gpio/consumer.h>
>> +#include <linux/module.h>
>> +#include <linux/of_device.h>
>> +#include <linux/platform_device.h>
>> +#include <sound/core.h>
>> +#include <sound/jack.h>
>> +#include <sound/pcm.h>
>> +#include <sound/soc.h>
>> +#include <uapi/linux/input-event-codes.h>
> Looks like the include should be <linux/input.h> instead. I see that
> practically no other code in the kernel is including the uapi header as
> it's for userspace, not kernel. The uapi header is included in input.h
> though so it's not actually all that different.
Okay Will change accordingly!!!
>
>> +
>> +#include <dt-bindings/sound/sc7180-lpass.h>
>> +#include <dt-bindings/sound/qcom,q6afe.h>
>> +
>> +#include "../codecs/wcd938x.h"
>> +#include "common.h"
>> +#include "lpass.h"
>> +
> [...]
>> +static int sc7280_snd_platform_probe(struct platform_device *pdev)
>> +{
>> +       struct snd_soc_card *card;
>> +       struct sc7280_snd_data *data;
>> +       struct device *dev = &pdev->dev;
>> +       struct snd_soc_dai_link *link;
>> +       int ret, i;
>> +
>> +       /* Allocate the private data */
> This comment is worthless.
Okay. Will remove it.
>
>> +       data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
>> +       if (!data)
>> +               return -ENOMEM;
>> +
>> +       card = &data->card;
>> +       snd_soc_card_set_drvdata(card, data);
>> +
>> +       card->owner = THIS_MODULE;
>> +       card->driver_name = "SC7280";
>> +       card->dev = dev;
>> +
>> +       ret = qcom_snd_parse_of(card);
>> +       if (ret)
>> +               return ret;
>> +
>> +       for_each_card_prelinks(card, i, link) {
>> +               link->init = sc7280_init;
>> +               link->ops = &sc7280_ops;
>> +       }
> Nitpick: Newline here.
Okay.
>
>> +       return devm_snd_soc_register_card(dev, card);
>> +}
>> +

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