linux-kernel - Re: [PATCH v3 0/2] ASoC: topology: Improve parsing hw

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Message-ID: <461bbabf-7c36-1361-8f66-5abbe3c7f4d8@linux.intel.com>
Date:   Mon, 2 Apr 2018 19:57:31 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Kirill Marinushkin <k.marinushkin@...il.com>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
        Mark Brown <broonie@...nel.org>,
        Pan Xiuli <xiuli.pan@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH v3 0/2] ASoC: topology: Improve parsing hw_configs



On 04/02/2018 04:17 PM, Kirill Marinushkin wrote:
> Hello Pierre-Louis,
>
> I explicitly clarified with Takashi: to have this patch series merged, we need a
> tag "Reviewed-by" from you.
I am fine with the changes, but maybe while we are at it, we should 
clarify what mclk_direction means?

     __u8 mclk_direction;    /* 0 for input, 1 for output */

This is really awful and might benefit for additional clarity using 
codec-centric conventions.

We also had a discussion internally and can't figure out why the strings 
are different from the fields in the structure, I feel it'd be simpler 
to align config and code to avoid issues but keep existing notation for 
backwards compatibility, e.g.

if (strcmp(id, "mclk_freq") == 0) || strcmp(id, "mclk_rate") == 0) {
         if (snd_config_get_string(n, &val) < 0)
                 return -EINVAL;

             hw_cfg->mclk_rate = atoi(val);
             continue;
}
>
> Patches [2] and [5]:
> You already tested them. May I put a tag "Reviewed-by" with your name into them?
>
> Patches [3] and [6]:
> Those are new for you; I added them to this patch series, because they are
> logically similar to [2] and [5].
> Could you please review these patches?
>
> Best Regards,
> Kirill
>
> [1] [PATCH v3 0/2] ASoC: topology: Improve parsing hw_configs
> [2] [PATCH v3 1/2] ASoC: topology: Fix bclk and fsync inversion in set_link_hw_format()
> [3] [PATCH v3 2/2] ASoC: topology: Add missing clock gating parameter when parsing hw_configs
> [4] [PATCH, alsa-lib, v3 0/2] alsa-lib: ASoC: topology: Improve parsing hw_configs
> [5] [PATCH, alsa-lib, v3 1/2] ASoC: topology: Fix bclk and fsync inversion in set_link_hw_format()
> [6] [PATCH, alsa-lib, v3 2/2] ASoC: topology: Add missing clock gating parameter when parsing hw_configs
>
>
> On 03/27/18 22:56, Kirill Marinushkin wrote:
>> Hello Jaroslav, Takashi, Mark,
>>
>> This patch series is a resend of [1] and [2], rebased on top of the latest
>> head. It was logical to resend them together.
>>
>> It includes 2 patches for linux + 2 patches for alsa-lib.
>>
>> Please have a look.
>>
>> Best Regards,
>> Kirill
>>
>> [1] https://patchwork.kernel.org/patch/10250485/
>> [2] https://patchwork.kernel.org/patch/10230611/
>>
>> Kirill Marinushkin (2):
>>    ASoC: topology: Fix bclk and fsync inversion in set_link_hw_format()
>>    ASoC: topology: Add missing clock gating parameter when parsing
>>      hw_configs
>>
>>   include/uapi/sound/asoc.h | 23 ++++++++++++++++++++---
>>   sound/soc/soc-topology.c  | 19 ++++++++++++++-----
>>   2 files changed, 34 insertions(+), 8 deletions(-)
>>