linux-kernel - Re: [PATCH v2 2/2] ASoC: nau8325: new driver

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Date: Fri, 1 Mar 2024 14:35:51 +0800
From: WTLI <wtli@...oton.com>
To: Mark Brown <broonie@...nel.org>
Cc: lgirdwood@...il.com, alsa-devel@...a-project.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 robh+dt@...nel.org, conor+dt@...nel.org, YHCHuang@...oton.com,
 KCHSU0@...oton.com, CTLIN0@...oton.com, SJLIN0@...oton.com,
 scott6986@...il.com, supercraig0719@...il.com, dardar923@...il.com
Subject: Re: [PATCH v2 2/2] ASoC: nau8325: new driver


Mark Brown 於 2/22/2024 11:47 PM 寫道:
> On Thu, Feb 22, 2024 at 04:38:25PM +0800, Seven Lee wrote:
>
> A few very minor things below but basically this looks good.
>
>> +static int nau8325_clksrc_choose(struct nau8325 *nau8325,
>> +                             const struct nau8325_srate_attr **srate_table,
>> +                             int *n1_sel, int *mult_sel, int *n2_sel)
>> +{
>> +proc_done:
>> +    dev_err(nau8325->dev, "nau8325->fs=%d,range=0x%x, %s, (n1,mu,n2,dmu):(%d,%d,%d), MCLK_SRC=%uHz (%d)",
>> +            nau8325->fs, (*srate_table)->range,
>> +            (*srate_table)->max ? "MAX" : "MIN",
>> +            *n1_sel == CLK_PROC_BYPASS ?
>> +            CLK_PROC_BYPASS : mclk_n1_div[*n1_sel].param,
>> +            *mult_sel == CLK_PROC_BYPASS ?
>> +            CLK_PROC_BYPASS : 1 << mclk_n3_mult[*mult_sel].param,
>> +            1 << mclk_n2_div[*n2_sel].param,
>> +            (*srate_table)->mclk_src[ratio],
>> +            (*srate_table)->mclk_src[ratio] / nau8325->fs);
> This should be a dev_dbg(), dev_err() will be very noisy in normal
> operation.

okay, I will make the correction to dev_dbg().

>
>> +static int nau8325_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
>> +{
>> +    struct snd_soc_component *component = dai->component;
>> +    struct nau8325 *nau8325 = snd_soc_component_get_drvdata(component);
>> +    unsigned int ctrl1_val = 0;
>> +
>> +    switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
>> +    case SND_SOC_DAIFMT_CBS_CFS:
>> +            break;
> Please use the modern _CBC_CFC defines.

okay, I will revise.

>
>> +    ret = regmap_read(nau8325->regmap, NAU8325_R02_DEVICE_ID, &value);
>> +    if (ret) {
>> +            dev_err(dev, "Failed to read device id (%d)", ret);
>> +            goto err;
>> +    }
> Probably a good idea to check that the device ID is what we expected
> too.

okay, thanks.

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