[alsa-devel] [PATCH 2/3] ASoC: fsl_sai: Add support for tdm slots operation

[Nicolin Chen]

On Tue, Jan 20, 2015 at 08:21:19PM +0800, Zidan Wang wrote:
> @@ -369,10 +380,25 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
>  	u32 word_width = snd_pcm_format_width(params_format(params));
>  	u32 val_cr4 = 0, val_cr5 = 0;
>  	int ret;
> +	u32 bclk;
> +
> +	if (channels == 1)
> +		channels = 2;
> +
> +	if (!sai->slots || sai->slots % channels)
> +		sai->slots = channels;
> +
> +	sai->slots = sai->slots / channels;
> +
> +	if (sai->slot_width < word_width || sai->is_dsp_mode)
> +		sai->slot_width = word_width;

Could you pls explain a bit what's this overriding for?
Or it might be better to put into a comment.

Nicolin