C++ (Cpp) rate_valueの例

コード例 #1

ファイル: max98090.c プロジェクト: 4pao/android_kernel_hardkernel_odroidxu3

static int max98090_dai1_hw_params(struct snd_pcm_substream *substream,
				   struct snd_pcm_hw_params *params,
				   struct snd_soc_dai *dai)
{
	struct snd_soc_codec *codec = dai->codec;
	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
	struct max98090_cdata *cdata;
	unsigned int rate;
	u8 regval;

	cdata = &max98090->dai;
	rate = params_rate(params);

	cdata->rate = rate;

	rate = params_rate(params);

	switch (params_format(params)) {
	case SNDRV_PCM_FORMAT_S16_LE:
		snd_soc_update_bits(codec, M98090_022_DAI_IF_FORMAT,
			M98090_DAI_WS, 0);
		break;
	case SNDRV_PCM_FORMAT_S24_LE:
		snd_soc_update_bits(codec, M98090_022_DAI_IF_FORMAT,
			M98090_DAI_WS, 2);
		break;
	default:
		return -EINVAL;
	}

	if (rate_value(rate, &regval))
		return -EINVAL;

	snd_soc_update_bits(codec, M98090_005_SAMPLERATE_QS,
		M98090_QS_SR_MASK, regval);

	cdata->rate = rate;

	/* Update sample rate mode */
	if (rate < 50000)
		snd_soc_update_bits(codec, M98090_026_FILTER_CONFIG,
			M98090_FILTER_DHF, 0);
	else
		snd_soc_update_bits(codec, M98090_026_FILTER_CONFIG,
			M98090_FILTER_DHF, M98090_FILTER_DHF);

	snd_soc_update_bits(codec, M98090_026_FILTER_CONFIG,
		M98090_FILTER_MODE, 0);

	return 0;
}

コード例 #2

ファイル: max98504.c プロジェクト: LGaljo/android_kernel_samsung_s3ve3g

static int max98504_dai_hw_params(struct snd_pcm_substream *substream,
				   struct snd_pcm_hw_params *params,
				   struct snd_soc_dai *dai)
{
	struct snd_soc_codec *codec = dai->codec;
	struct max98504_priv *max98504 = snd_soc_codec_get_drvdata(codec);
	struct max98504_cdata *cdata;

	unsigned int rate;
	u8 regval;

	msg_maxim("\n");

	cdata = &max98504->dai[0];

	rate = params_rate(params);

	switch (params_format(params)) {
	case SNDRV_PCM_FORMAT_S8:
		snd_soc_update_bits(codec, MAX98504_REG_24_PCM_MODE_CONFIG,
			M98504_PCM_MODE_CFG_CH_SIZE_MASK, M98504_PCM_MODE_CFG_CH_SIZE_8_MASK);
		break;
	case SNDRV_PCM_FORMAT_S16_LE:
		snd_soc_update_bits(codec, MAX98504_REG_24_PCM_MODE_CONFIG,
			M98504_PCM_MODE_CFG_CH_SIZE_MASK, M98504_PCM_MODE_CFG_CH_SIZE_16_MASK);
		break;
	case SNDRV_PCM_FORMAT_S24_LE:
		snd_soc_update_bits(codec, MAX98504_REG_24_PCM_MODE_CONFIG,
			M98504_PCM_MODE_CFG_CH_SIZE_MASK, M98504_PCM_MODE_CFG_CH_SIZE_24_MASK);
		break;
	case SNDRV_PCM_FORMAT_S32_LE:
		snd_soc_update_bits(codec, MAX98504_REG_24_PCM_MODE_CONFIG,
			M98504_PCM_MODE_CFG_CH_SIZE_MASK, M98504_PCM_MODE_CFG_CH_SIZE_32_MASK);
		break;
	default:
		return -EINVAL;
	}

	if (rate_value(rate, &regval))
		return -EINVAL;

	/* Update sample rate mode */
	snd_soc_update_bits(codec, MAX98504_REG_27_PCM_SAMPLE_RATE_SETUP,
		M98504_PCM_SR_SETUP_SPK_SR_MASK, regval<<M98504_PCM_SR_SETUP_SPK_SR_SHIFT);	

	snd_soc_update_bits(codec, MAX98504_REG_27_PCM_SAMPLE_RATE_SETUP,
		M98504_PCM_SR_SETUP_MEAS_SR_MASK, regval<<M98504_PCM_SR_SETUP_MEAS_SR_SHIFT);

	return 0;
}