linux-kernel - Re: [alsa-devel] [RFC][PATCH 21/26] alsa: ASoC: Add JZ4740 ASoC support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4C07F0F3.4090201@boundarydevices.com>
Date:	Thu, 03 Jun 2010 11:14:11 -0700
From:	Troy Kisky <troy.kisky@...ndarydevices.com>
To:	Liam Girdwood <lrg@...mlogic.co.uk>
Cc:	Lars-Peter Clausen <lars@...afoo.de>, linux-mips@...ux-mips.org,
	alsa-devel@...a-project.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	linux-kernel@...r.kernel.org, Ralf Baechle <ralf@...ux-mips.org>
Subject: Re: [alsa-devel] [RFC][PATCH 21/26] alsa: ASoC: Add JZ4740 ASoC	support

Liam Girdwood wrote:
> On Thu, 2010-06-03 at 19:16 +0200, Lars-Peter Clausen wrote:
>> Liam Girdwood wrote:
>>> On Thu, 2010-06-03 at 18:50 +0200, Lars-Peter Clausen wrote:
>>>   
>>>>>> +    config = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai,
>>>>>>         
>>>> substream);
>>>>     
>>>>>> +    if (!prtd->dma) {
>>>>>> +            const char *dma_channel_name;
>>>>>> +            if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
>>>>>> +                    dma_channel_name = "PCM Playback";
>>>>>> +            else
>>>>>> +                    dma_channel_name = "PCM Capture";
>>>>>> +
>>>>>> +            prtd->dma = jz4740_dma_request(substream,
>>>>>>         
>>>> dma_channel_name);
>>>>     
>>>>>>     
>>>>>>         
>>>>> dma_channel_name variable is not required here. Just use the const
>>>>>       
>>>> char
>>>>     
>>>>> * directly.
>>>>>
>>>>>   
>>>>>       
>>>> I actually had it like that before, but I think it is much more readable
>>>> in its current form.
>>>>     
>>> I disagree, having the char pointer here just adds an extra level of
>>> indirection and costs an extra two lines of code. 
>>>
>>> Liam 
>>>   
>> Hi
>>
>> Could you give an concrete example of how you would code it?
>>
> 
> Sure,
> 
> if (!prtd->dma) {
>           if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
>                    prtd->dma = jz4740_dma_request(substream, "PCM Playback");
>           else
>                    prtd->dma = jz4740_dma_request(substream, "PCM Capture");
> }
> 
> Liam
> 
or,

if (!prtd->dma)
	prtd->dma = jz4740_dma_request(substream, (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
		 "PCM Playback" : "PCM Capture");

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/