linux-kernel - Re: [PATCH v6] sound/soc/codecs: add LAPIS Semiconductor ML26124

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Date:	Tue, 6 Mar 2012 19:49:16 +0900
From:	Tomoya MORINAGA <tomoya.rohm@...il.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Liam Girdwood <lrg@...com>, Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.de>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, qi.wang@...el.com,
	yong.y.wang@...el.com, joel.clark@...el.com, kok.howg.ewe@...el.com
Subject: Re: [PATCH v6] sound/soc/codecs: add LAPIS Semiconductor ML26124

On Tue, Mar 06, 2012　19:00 Mark Brown <broonie@...nsource.wolfsonmicro.com>:
> This is not the case.  As I have *REPEATEDLY* told you you should be
> sumbitting code against current development versions of the subsystem.
You are right. v3.3-rc6 uses it. sorry for inconvenience.

>> >> +static int ml26124_update_bits(struct snd_soc_codec *codec, unsigned short reg,
>> >> +                             unsigned int mask, unsigned int value)
>> > Why are you open coding this in your driver?  There is no point in
>> > replicating subsystem functionality.
>>
>> For ML26124 spec, it's necessary.
>> Because the codec's register read-address and write-address is not the same.
>> E.G.
>> Sampling Rate Register
>> R: offset=0
>> W: offset=1
>
> This is not what the above prototype says, the above prototype has only
> one register in it.  You need to make this *much* clearer for the
> registers it's affecting.
Sorry, I couldn't understand your saying / concern.
Do you mean I shouldn't use ml26124_update_bits() but snd_soc_update_bits() ?

thanks,
-- 
ROHM Co., Ltd.
tomoya
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