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Commit f83fba8b authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Add debug trace for bias level transitions 



A standard way of making sure we know when the bias level changes.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 452c5eaa

sound/soc/soc-dapm.c

+18 −0
Original line number Original line Diff line number Diff line
@@ -110,6 +110,24 @@ static int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev, 
	struct snd_soc_codec *codec = socdev->card->codec;

	struct snd_soc_codec *codec = socdev->card->codec;

	int ret = 0;

	int ret = 0;





	switch (level) {

	case SND_SOC_BIAS_ON:

		dev_dbg(socdev->dev, "Setting full bias\n");

		break;

	case SND_SOC_BIAS_PREPARE:

		dev_dbg(socdev->dev, "Setting bias prepare\n");

		break;

	case SND_SOC_BIAS_STANDBY:

		dev_dbg(socdev->dev, "Setting standby bias\n");

		break;

	case SND_SOC_BIAS_OFF:

		dev_dbg(socdev->dev, "Setting bias off\n");

		break;

	default:

		dev_err(socdev->dev, "Setting invalid bias %d\n", level);

		return -EINVAL;

	}



	if (card->set_bias_level)

	if (card->set_bias_level)

		ret = card->set_bias_level(card, level);

		ret = card->set_bias_level(card, level);

	if (ret == 0 && codec->set_bias_level)

	if (ret == 0 && codec->set_bias_level)