linux-kernel - Re: [alsa-devel] [PATCH 1/2] ASoC: atmel_ssc_dai: move set dma data to startup callback

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Message-ID: <51D3B52D.5020304@gmail.com>
Date:	Wed, 03 Jul 2013 13:22:53 +0800
From:	Bo Shen <bard.shen@...il.com>
To:	Bo Shen <voice.shen@...el.com>
CC:	Lars-Peter Clausen <lars@...afoo.de>, alsa-devel@...a-project.org,
	richard.genoud@...il.com, Nicolas Ferre <nicolas.ferre@...el.com>,
	linux-kernel@...r.kernel.org, linux-sound@...r.kernel.org,
	Mark Brown <broonie@...nel.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [alsa-devel] [PATCH 1/2] ASoC: atmel_ssc_dai: move set dma data
 to startup callback

Hi Lars,

On 7/3/2013 09:20, Bo Shen wrote:
> Hi Lars-Peter,
>
> On 7/2/2013 23:25, Lars-Peter Clausen wrote:
>> On 07/02/2013 11:04 AM, Bo Shen wrote:
>> [...]
>>> +    dma_params->substream = substream;
>>
>> Unrelated to this patch, but having a substream field in the
>> dma_params seems
>> to be redundant, since you need to know the substream to get the
>> dma_params in
>> the first place. Looking at the code it also seems to be unused other
>> than this
>> assignment. Maybe you can send a follow up patch to remove it.
>>
>> [...]
>>
>
> Yes, this is redundant. I will remove it in next version patches.

Sorry for mistake, this substream parameter need by the interrupt for 
PDC transfer, so, I will keep it.

Best Regards,
Bo Shen

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