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Commit 4b8ffdb9 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Liam Girdwood
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ASoC: tlv320dac33: Move codec power up to DAPM 



Move the codec power on (in reg 0x01, bit 4) from
set_bias_level:SND_SOC_BIAS_ON to a DAPM supply.
In this way we can be sure, that all the things within
the codec is powered before the external amp is
going to be enabled.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent 333802e9

sound/soc/codecs/tlv320dac33.c

+6 −3
Original line number Diff line number Diff line
@@ -583,6 +583,9 @@ static const struct snd_soc_dapm_widget dac33_dapm_widgets[] = { 
	SND_SOC_DAPM_SUPPLY("Right DAC Power",

			    DAC33_RDAC_PWR_CTRL, 2, 0, NULL, 0),



	SND_SOC_DAPM_SUPPLY("Codec Power",

			    DAC33_PWR_CTRL, 4, 0, NULL, 0),



	SND_SOC_DAPM_PRE("Pre Playback", dac33_playback_event),

	SND_SOC_DAPM_POST("Post Playback", dac33_playback_event),

};
@@ -615,6 +618,9 @@ static const struct snd_soc_dapm_route audio_map[] = { 
	/* output */

	{"LEFT_LO", NULL, "Output Left Amplifier"},

	{"RIGHT_LO", NULL, "Output Right Amplifier"},



	{"LEFT_LO", NULL, "Codec Power"},

	{"RIGHT_LO", NULL, "Codec Power"},

};



static int dac33_add_widgets(struct snd_soc_codec *codec)
@@ -632,13 +638,10 @@ static int dac33_add_widgets(struct snd_soc_codec *codec) 
static int dac33_set_bias_level(struct snd_soc_codec *codec,

				enum snd_soc_bias_level level)

{

	struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);

	int ret;



	switch (level) {

	case SND_SOC_BIAS_ON:

		if (!dac33->substream)

			dac33_soft_power(codec, 1);

		break;

	case SND_SOC_BIAS_PREPARE:

		break;