linux-kernel - Re: [PATCH v5] sound/soc/lapis: add machine driver for ML7213 Carrier Board

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Date:	Tue, 6 Mar 2012 14:49:24 +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 v5] sound/soc/lapis: add machine driver for ML7213 Carrier Board

2012年3月2日22:05 Mark Brown <broonie@...nsource.wolfsonmicro.com>:
> On Thu, Feb 23, 2012 at 02:46:51PM +0900, Tomoya MORINAGA wrote:
>
>>         This option enables support for the AC Link Controllers in ML7213 IOH SoC.
>> +config SND_SOC_ML7213_MACHINE
>> +     tristate "ML7213 IOH ASoC machine driver"
>> +     select SND_SOC_ML7213_PLATFORM
>> +     help
>> +       This is ASoC machine driver for ML7213 IOH
>
> This needs to depend on the CODEC as well, how have you tested?
OK, will add this.

When I test this, I selected "Build all ASoC ...." of Kconfig

> You're also missing a blank line between this and the previous stanza.
Sorry, I can't understand your saying.

>
>> +static struct platform_device *ioh_snd_device;
>> +
>> +
>> +static int __init ioh_i2s_init(void)
>> +{
>> +     int ret;
>> +     ioh_snd_device = platform_device_alloc("soc-audio", -1);
>> +     if (!ioh_snd_device)
>> +             return -ENOMEM;
>
> Use snd_soc_register_card() and a real device.
OK.
As a matter of interest, why do you recommend me to use
snd_soc_register_card() ?
At present, many ASoC drivers use platform_device_alloc.

thanks,
-- 
ROHM Co., Ltd.
tomoya
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