diff options
Diffstat (limited to 'sound/soc/codecs/ak4642.c')
| -rw-r--r-- | sound/soc/codecs/ak4642.c | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c index dde8b49c19ad..13585e88f597 100644 --- a/sound/soc/codecs/ak4642.c +++ b/sound/soc/codecs/ak4642.c @@ -97,6 +97,9 @@ #define PMMP (1 << 2) /* MPWR pin Power Management */ #define MGAIN0 (1 << 0) /* MIC amp gain*/ +/* SG_SL2 */ +#define LOPS (1 << 6) /* Stero Line-out Power Save Mode */ + /* TIMER */ #define ZTM(param) ((param & 0x3) << 4) /* ALC Zero Crossing TimeOut */ #define WTM(param) (((param & 0x4) << 4) | ((param & 0x3) << 2)) @@ -168,6 +171,29 @@ static const struct snd_kcontrol_new ak4642_lout_mixer_controls[] = { SOC_DAPM_SINGLE("DACL", SG_SL1, 4, 1, 0), }; +/* event handlers */ +static int ak4642_lout_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + + switch (event) { + case SND_SOC_DAPM_PRE_PMD: + case SND_SOC_DAPM_PRE_PMU: + /* Power save mode ON */ + snd_soc_update_bits(codec, SG_SL2, LOPS, LOPS); + break; + case SND_SOC_DAPM_POST_PMU: + case SND_SOC_DAPM_POST_PMD: + /* Power save mode OFF */ + mdelay(300); + snd_soc_update_bits(codec, SG_SL2, LOPS, 0); + break; + } + + return 0; +} + static const struct snd_soc_dapm_widget ak4642_dapm_widgets[] = { /* Outputs */ @@ -182,12 +208,15 @@ static const struct snd_soc_dapm_widget ak4642_dapm_widgets[] = { SND_SOC_DAPM_PGA("DACH", MD_CTL4, 0, 0, NULL, 0), - SND_SOC_DAPM_MIXER("LINEOUT Mixer", PW_MGMT1, 3, 0, + SND_SOC_DAPM_MIXER_E("LINEOUT Mixer", PW_MGMT1, 3, 0, &ak4642_lout_mixer_controls[0], - ARRAY_SIZE(ak4642_lout_mixer_controls)), + ARRAY_SIZE(ak4642_lout_mixer_controls), + ak4642_lout_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), /* DAC */ - SND_SOC_DAPM_DAC("DAC", "HiFi Playback", PW_MGMT1, 2, 0), + SND_SOC_DAPM_DAC("DAC", NULL, PW_MGMT1, 2, 0), }; static const struct snd_soc_dapm_route ak4642_intercon[] = { @@ -205,6 +234,8 @@ static const struct snd_soc_dapm_route ak4642_intercon[] = { {"DACH", NULL, "DAC"}, {"LINEOUT Mixer", "DACL", "DAC"}, + + { "DAC", NULL, "Playback" }, }; /* @@ -468,13 +499,13 @@ static struct snd_soc_dai_driver ak4642_dai = { .name = "ak4642-hifi", .playback = { .stream_name = "Playback", - .channels_min = 1, + .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE }, .capture = { .stream_name = "Capture", - .channels_min = 1, + .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE }, |
