[alsa-devel] [PATCH 2/6] ASoC: max98088: Add DT bindings

[Andreas Färber]

Hi,

Am 18.02.2015 um 20:08 schrieb Sergei Shtylyov:
> On 02/18/2015 09:25 PM, Andreas Färber wrote:
> 
>> "maxim,max98089" will be used for the Spring Chromebook.
> 
>> Signed-off-by: Andreas Färber <afaerber at suse.de>
>> ---
>>   sound/soc/codecs/max98088.c | 8 ++++++++
>>   1 file changed, 8 insertions(+)
> 
>> diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c
>> index 805b3f8cd39d..69a21d1946e3 100644
>> --- a/sound/soc/codecs/max98088.c
>> +++ b/sound/soc/codecs/max98088.c
>> @@ -2009,10 +2009,18 @@ static const struct i2c_device_id
>> max98088_i2c_id[] = {
>>   };
>>   MODULE_DEVICE_TABLE(i2c, max98088_i2c_id);
>>
>> +static const struct of_device_id max98088_of_match[] = {
> 
>    If I don't mistake, gcc will complain about this variable being
> unused if CONFIG_OF=n.

I assume there will be no warning because of the "const".
For just "static" you would be right.

>> +    { .compatible = "maxim,max98088" },
>> +    { .compatible = "maxim,max98089" },
>> +    { }
>> +};
>> +MODULE_DEVICE_TABLE(of, max98088_of_match);
>> +
>>   static struct i2c_driver max98088_i2c_driver = {
>>       .driver = {
>>           .name = "max98088",
>>           .owner = THIS_MODULE,
>> +        .of_match_table = of_match_ptr(max98088_of_match),
> 
>    You probably don;t need of_match_ptr(). Either that or do something
> with the match table, like enclosing into #ifdef or annotating with
> '__maybe_unused'.

This was copied from max98090 and max98095.

Cheers,
Andreas

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