C++ (Cpp) twl6040_get_dl1_gainの例

コード例 #1

ファイル: omap-abe-twl6040.c プロジェクト: robacklin/omap-android

/* set optimum DL1 output path gain for ABE -> McPDM -> twl6040 */
static int omap_abe_set_pdm_dl1_gains(struct snd_soc_dapm_context *dapm)
{
	int gain_dB = 0, gain;
	struct snd_soc_card *card = dapm->card;
	struct omap_abe_data *abe_data = snd_soc_card_get_drvdata(card);
	struct snd_soc_codec *codec = abe_data->twl6040_codec;
	struct snd_soc_platform *platform = abe_data->abe_platform;
	struct omap_abe *abe = snd_soc_platform_get_drvdata(platform);

	if (codec) {
#if !defined(CONFIG_SND_OMAP_SOC_ABE_DL2)
		gain_dB = twl6040_get_dl2_gain(codec);
#endif
		if (!gain_dB)
			gain_dB = twl6040_get_dl1_gain(codec);
	}

	switch (gain_dB) {
	case -8:
		gain = GAIN_M8dB;
		break;
	case -7:
		gain = GAIN_M7dB;
		break;
	case -1:
		gain = GAIN_M1dB;
		break;
	default:
		gain = GAIN_0dB;
		break;
	}
	omap_aess_write_gain(abe->aess, OMAP_AESS_GAIN_DL1_LEFT, gain);
	omap_aess_write_gain(abe->aess, OMAP_AESS_GAIN_DL1_RIGHT, gain);
	return 0;
}

コード例 #2

ファイル: omap-abe-twl6040.c プロジェクト: koh523/kernel-pandaboard-ES-RevB3

/* set optimum DL1 output path gain for ABE -> McPDM -> twl6040 */
static int omap_abe_set_pdm_dl1_gains(struct snd_soc_dapm_context *dapm)
{
	int gain_dB, gain;

	gain_dB = twl6040_get_dl1_gain(dapm->codec);

	switch (gain_dB) {
	case -8:
		gain = GAIN_M8dB;
		break;
	case -1:
		gain = GAIN_M1dB;
		break;
	default:
		gain = GAIN_0dB;
		break;
	}

	abe_write_gain(GAINS_DL1, gain, RAMP_2MS, GAIN_LEFT_OFFSET);
	abe_write_gain(GAINS_DL1, gain, RAMP_2MS, GAIN_RIGHT_OFFSET);
	return 0;
}