// Sets up channel input parameters.
//
// Parameters:
// index the input channel index
// format the sample format code
void
brutefir::setup_input(int index,
int format)
{
struct buffer_format_t *bf;
bfconf->inputs[index].intname = index;
bf = &bfconf->inputs[index].bf;
setup_sample_format(format, &bf->sf, true);
bf->byte_offset = index * bf->sf.bytes;
bf->sample_spacing = bfconf->n_channels;
}
// Sets up channel output parameters.
//
// Parameters:
// index the output channel index
// format the sample format code
// apply_dither true to apply dither (integer type samples only)
void
brutefir::setup_output(int index,
int format,
bool apply_dither)
{
struct buffer_format_t *bf;
bfconf->outputs[index].intname = index;
bfconf->outputs[index].apply_dither = apply_dither;
bf = &bfconf->outputs[index].bf;
setup_sample_format(format, &bf->sf, false);
bf->byte_offset = index * bf->sf.bytes;
bf->sample_spacing = bfconf->n_channels;
}
static int tscs42xx_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *codec_dai)
{
struct snd_soc_codec *codec = codec_dai->codec;
int ret;
ret = setup_sample_format(codec, params_format(params));
if (ret < 0) {
dev_err(codec->dev, "Failed to setup sample format (%d)\n",
ret);
return ret;
}
ret = setup_sample_rate(codec, params_rate(params));
if (ret < 0) {
dev_err(codec->dev, "Failed to setup sample rate (%d)\n", ret);
return ret;
}
return 0;
}
