[alsa-devel] [PATCH v2 2/8] ASoC: qdsp6: q6afe: add support to pcm ports

Adam Serbinski adam at serbinski.com
Mon Feb 10 15:50:17 CET 2020


On 2020-02-10 08:31, Mark Brown wrote:
> On Sun, Feb 09, 2020 at 10:47:42AM -0500, Adam Serbinski wrote:
> 
>> 
>> +#define AFE_API_VERSION_PCM_CONFIG	0x1
>> +/* Enumeration for the auxiliary PCM synchronization signal
>> + * provided by an external source.
>> + */
>> +
>> +#define AFE_PORT_PCM_SYNC_SRC_EXTERNAL 0x0
>> +/*	Enumeration for the auxiliary PCM synchronization signal
>> + * provided by an internal source.
>> + */
> 
> This is a *weird* commenting style for these #defines and it's not
> consistent within the block, I'm seeing at least 3 different styles.

I will clean up the commenting.


>> +	default:
>> +		break;
>> +	}
> 
> Why is this not returning an error on unsupported values?

Only to be consistent with the pre-existing implementation for i2s 
ports.
I will add an error return.

> 
>> +
>> +	switch (cfg->sample_rate) {
>> +	case 8000:
>> +		pcfg->pcm_cfg.frame_setting = AFE_PORT_PCM_BITS_PER_FRAME_128;
>> +		break;
>> +	case 16000:
>> +		pcfg->pcm_cfg.frame_setting = AFE_PORT_PCM_BITS_PER_FRAME_64;
>> +		break;
>> +	}
> 
> Same here.

I will also add the error return here.


More information about the Alsa-devel mailing list