Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-18 10:01:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: tlv320dac33: Move codec power up to DAPM

Browse Source 
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: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Peter Ujfalusi 2011-03-24 09:11:49 +02:00 committed by Liam Girdwood
parent 333802e90d
commit 4b8ffdb959
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sound/soc/codecs/tlv320dac33.c
View File

@ -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;