On Fri, Jun 03, 2016 at 12:56:17PM +0800, Garlic Tseng wrote:
> + /*enable agent*/
Lots of comments with missing spaces in them, there's quite a few
examples of that in here.
> +EXPORT_SYMBOL(mtk_afe_fe_startup);
All the ASoC and regmap APIs are _GPL(), you really shouldn't export new
interfaces based on them without it - the point with the _GPL() is that
non-GPL code shouldn't be able to use the APIs.
> +EXPORT_SYMBOL(mtk_afe_fe_hw_params);
Do you need to export the individual ops rather than just the ops
structure?
> +int mtk_afe_fe_trigger(struct snd_pcm_substream *substream, int cmd,
> + struct snd_soc_dai *dai)
> +{
> + struct snd_soc_pcm_runtime *rtd = substream->private_data;
> + struct snd_pcm_runtime * const runtime = substream->runtime;
> + struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
> + struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
> + struct mtk_base_afe_irq *irqs = &afe->irqs[memif->irq_usage];
> + const struct mtk_base_irq_data *irq_data = irqs->irq_data;
> + unsigned int counter = runtime->period_size;
> + int fs;
> +
> + dev_info(afe->dev, "%s %s cmd=%d\n", __func__, memif->data->name, cmd);
That's way too noisy, dev_dbg() at most.
> +static DEFINE_MUTEX(irqs_lock);
> +int mtk_dynamic_irq_acquire(struct mtk_base_afe *afe)
> +{
> + int i;
> +
> + mutex_lock(&irqs_lock);
> + for (i = 0; i < afe->irqs_size; ++i) {
Why is the lock global and not part of the AFE struct?
> +void mtk_simple_isr(struct mtk_base_afe *afe, struct mtk_base_afe_memif *memif)
> +{
> + snd_pcm_period_elapsed(memif->substream);
> +}
> +EXPORT_SYMBOL(mtk_simple_isr);
Is this really worth it over just calling _period_elapsed() directly?
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