[alsa-devel] [PATCH v3] sound/soc/lapis: add platform driver for ML7213

Tomoya MORINAGA tomoya.rohm at gmail.com
Fri Mar 9 07:26:27 CET 2012

On Thu, Mar 8, 2012 at 8:05 PM, Mark Brown
<broonie at opensource.wolfsonmicro.com> wrote:
>> > You've still not explained the problem you're seeing but this sounds
>> > like something that should work.  Please address the
>> * Faced problem if there are no platform settings.
>> machine driver's hw_params is not called
>> platform_driver's functions(snd_pcm_ops, snd_soc_platform_driver) are
>> not called.
>> As a result, the following message is not showed . (by soc_pcm.c)
>> printk(KERN_INFO "asoc: %s <-> %s mapping ok\n", codec_dai->name,
>>          cpu_dai->name);
> This makes no sense.  Registering a platform device will have *no*
> impact on ASoC, it only cares if the relevant ASoC function drivers have
> come up.  Probably there was some other problem with what you were doing
> but it's hard to say...

I've confirmed that driver detected by ASoC correctly without these
platform functions.
Please check next patch series.

ROHM Co., Ltd.

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