linux-kernel - Re: [alsa-devel] [PATCH] ASoC: Intel: cht_bsw_rt5645.c: Remove buffer and snprintf calls

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Message-ID: <93914256-4fbd-a17b-c283-7dbad37649d0@redhat.com>
Date:   Mon, 6 May 2019 17:48:17 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Nariman <narimantos@...il.com>, linux-kernel@...r.kernel.org
Cc:     alsa-devel@...a-project.org, tiwai@...e.com,
        yang.jie@...ux.intel.com, liam.r.girdwood@...ux.intel.com,
        broonie@...nel.org, Damian van Soelen <dj.vsoelen@...il.com>
Subject: Re: [alsa-devel] [PATCH] ASoC: Intel: cht_bsw_rt5645.c: Remove buffer
 and snprintf calls

Hi,

On 06-05-19 17:24, Pierre-Louis Bossart wrote:
> On 5/4/19 10:16 AM, Nariman wrote:
>> From: Damian van Soelen <dj.vsoelen@...il.com>
>>
>> The snprintf calls filling cht_rt5645_cpu_dai_name / cht_rt5645_codec_aif_name
>> always fill them with the same string ("ssp0-port" resp "rt5645-aif2") so
>> instead of keeping these buffers around and making the cpu_dai_name /
>> codec_aif_name point to this, simply update the foo_dai_name and foo_aif_name pointers to
>> directly point to a string constant containing the desired string.
>>
>> Signed-off-by: Damian van Soelen <dj.vsoelen@...il.com>
> 
> Need Nariman's Signoff-of-by tag here.

Yes, Nariman can you resend with your S-o-b added once the other part
of this discussion is resolved?

Note you need to pass

--subject-prefix="PATCH v2"

To git send-email when sending out the new version with your S-o-b added
to the 3 patches which you are not the author of.




>> ---
>>   sound/soc/intel/boards/cht_bsw_rt5645.c | 26 ++++---------------------
>>   1 file changed, 4 insertions(+), 22 deletions(-)
>>
>> diff --git a/sound/soc/intel/boards/cht_bsw_rt5645.c b/sound/soc/intel/boards/cht_bsw_rt5645.c
>> index cbc2d458483f..b15459e56665 100644
>> --- a/sound/soc/intel/boards/cht_bsw_rt5645.c
>> +++ b/sound/soc/intel/boards/cht_bsw_rt5645.c
>> @@ -506,8 +506,6 @@ static struct cht_acpi_card snd_soc_cards[] = {
>>   };
>>   static char cht_rt5645_codec_name[SND_ACPI_I2C_ID_LEN];
>> -static char cht_rt5645_codec_aif_name[12]; /*  = "rt5645-aif[1|2]" */
>> -static char cht_rt5645_cpu_dai_name[10]; /*  = "ssp[0|2]-port" */
>>   static bool is_valleyview(void)
>>   {
>> @@ -641,28 +639,12 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
>>       log_quirks(&pdev->dev);
>>       if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) ||
>> -        (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
>> -
>> -        /* fixup codec aif name */
>> -        snprintf(cht_rt5645_codec_aif_name,
>> -            sizeof(cht_rt5645_codec_aif_name),
>> -            "%s", "rt5645-aif2");
>> -
>> -        cht_dailink[dai_index].codec_dai_name =
>> -            cht_rt5645_codec_aif_name;
>> -    }
>> +        (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2))
>> +            cht_dailink[dai_index].codec_dai_name = "rt5645-aif2";
> 
> same, not equivalent. SSP2_AIF2 is not handled.

Same remark from me, and also the same for the 3th patch you've
responded to.

Regards,

Hans


> 
>>       if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) ||
>> -        (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
>> -
>> -        /* fixup cpu dai name name */
>> -        snprintf(cht_rt5645_cpu_dai_name,
>> -            sizeof(cht_rt5645_cpu_dai_name),
>> -            "%s", "ssp0-port");
>> -
>> -        cht_dailink[dai_index].cpu_dai_name =
>> -            cht_rt5645_cpu_dai_name;
>> -    }
>> +        (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2))
>> +            cht_dailink[dai_index].cpu_dai_name = "ssp0-port";
> 
> and same here, SSP0_AIF1 will no longer work.
> 
>>       /* override plaform name, if required */
>>       platform_name = mach->mach_params.platform;
>>
>