Re: [PATCH 1/2] ASoC: wcd9335: fix order of Slimbus unprepare/disable

From: Krzysztof Kozlowski
Date: Wed Sep 21 2022 - 11:08:09 EST


On 21/09/2022 17:06, Krzysztof Kozlowski wrote:
> On 21/09/2022 17:05, Pierre-Louis Bossart wrote:
>>> diff --git a/sound/soc/codecs/wcd9335.c b/sound/soc/codecs/wcd9335.c
>>> index 06c6adbe5920..d2548fdf9ae5 100644
>>> --- a/sound/soc/codecs/wcd9335.c
>>> +++ b/sound/soc/codecs/wcd9335.c
>>> @@ -1972,8 +1972,8 @@ static int wcd9335_trigger(struct snd_pcm_substream *substream, int cmd,
>>> case SNDRV_PCM_TRIGGER_STOP:
>>> case SNDRV_PCM_TRIGGER_SUSPEND:
>>> case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
>>> - slim_stream_unprepare(dai_data->sruntime);
>>> slim_stream_disable(dai_data->sruntime);
>>> + slim_stream_unprepare(dai_data->sruntime);
>>
>> This looks logical but different from what the kernel doc says:
>>
>> /**
>> * slim_stream_disable() - Disable a SLIMbus Stream
>> *
>> * @stream: instance of slim stream runtime to disable
>> *
>> * This API will disable all the ports and channels associated with
>> * SLIMbus stream
>> *
>> * Return: zero on success and error code on failure. From ASoC DPCM
>> framework,
>> * this state is linked to trigger() pause operation.
>> */
>>
>> /**
>> * slim_stream_unprepare() - Un-prepare a SLIMbus Stream
>> *
>> * @stream: instance of slim stream runtime to unprepare
>> *
>> * This API will un allocate all the ports and channels associated with
>> * SLIMbus stream
>
> You mean this piece of doc? Indeed looks inaccurate. I'll update it.

Wait, no, this is correct. Please point to what is wrong in kernel doc.
I don't see it. :(

Best regards,
Krzysztof