ASoC: rt1308: add silence detection and manual PDB control

We enable the silence detection function in initial settings.
PDB control changes to manual mode, hence the driver could
fully control the AMP output on/off.

Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20190719063249.18806-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt1308.c b/sound/soc/codecs/rt1308.c
index 19d255e01827df0ca4bffeefa92f452e154e1267..cf3d72f997054cb49ef048a5a1616bf4eef5e284 100755 (executable)
--- a/sound/soc/codecs/rt1308.c
+++ b/sound/soc/codecs/rt1308.c
@@ -40,10 +40,10 @@ static const struct reg_sequence init_list[] = {
        { RT1308_VREF,                  0x18100000 },
        { RT1308_IV_SENSE,              0x87010000 },
        { RT1308_DUMMY_REG,             0x00000200 },
-       { RT1308_SIL_DET,               0x61c30000 },
+       { RT1308_SIL_DET,               0xe1c30000 },
        { RT1308_DC_CAL_2,              0x00ffff00 },
        { RT1308_CLK_DET,               0x01000000 },
-       { RT1308_POWER_STATUS,          0x00800000 },
+       { RT1308_POWER_STATUS,          0x08800000 },
        { RT1308_DAC_SET,               0xafaf0700 },
 
 };
@@ -308,12 +308,13 @@ static int rt1308_classd_event(struct snd_soc_dapm_widget *w,
        case SND_SOC_DAPM_POST_PMU:
                msleep(30);
                snd_soc_component_update_bits(component, RT1308_POWER_STATUS,
-                       RT1308_POW_PDB_REG_BIT, RT1308_POW_PDB_REG_BIT);
+                       RT1308_POW_PDB_REG_BIT | RT1308_POW_PDB_MN_BIT,
+                       RT1308_POW_PDB_REG_BIT | RT1308_POW_PDB_MN_BIT);
                msleep(40);
                break;
        case SND_SOC_DAPM_PRE_PMD:
                snd_soc_component_update_bits(component, RT1308_POWER_STATUS,
-                       RT1308_POW_PDB_REG_BIT, 0);
+                       RT1308_POW_PDB_REG_BIT | RT1308_POW_PDB_MN_BIT, 0);
                usleep_range(150000, 200000);
                break;