[alsa-devel] [PATCH 2/5] ASoC: rt5645: Modify the headphone depop and calibration function to prevent the pop sound in the booting time
Oder Chiou
oder_chiou at realtek.com
Mon Aug 24 14:32:56 CEST 2015
Remove the original calibration function and modify the depop and
calibration function to prevent the pop sound in the booting time.
Signed-off-by: Oder Chiou <oder_chiou at realtek.com>
---
sound/soc/codecs/rt5645.c | 111 +++++++++++++---------------------------------
1 file changed, 32 insertions(+), 79 deletions(-)
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 4189d5a..828afa2 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -254,6 +254,7 @@ struct rt5645_priv {
int jack_type;
bool en_button_func;
+ bool hp_on;
};
static int rt5645_reset(struct snd_soc_codec *codec)
@@ -1364,15 +1365,23 @@ static void hp_amp_power(struct snd_soc_codec *codec, int on)
if (on) {
if (hp_amp_power_count <= 0) {
if (rt5645->codec_type == CODEC_TYPE_RT5650) {
+ snd_soc_write(codec, RT5645_DEPOP_M2, 0x3100);
snd_soc_write(codec, RT5645_CHARGE_PUMP,
0x0e06);
- snd_soc_write(codec, RT5645_DEPOP_M1, 0x001d);
+ snd_soc_write(codec, RT5645_DEPOP_M1, 0x000d);
+ regmap_write(rt5645->regmap, RT5645_PR_BASE +
+ RT5645_HP_DCC_INT1, 0x9f01);
+ msleep(20);
+ snd_soc_update_bits(codec, RT5645_DEPOP_M1,
+ RT5645_HP_CO_MASK, RT5645_HP_CO_EN);
regmap_write(rt5645->regmap, RT5645_PR_BASE +
0x3e, 0x7400);
snd_soc_write(codec, RT5645_DEPOP_M3, 0x0737);
regmap_write(rt5645->regmap, RT5645_PR_BASE +
RT5645_MAMP_INT_REG2, 0xfc00);
snd_soc_write(codec, RT5645_DEPOP_M2, 0x1140);
+ mdelay(5);
+ rt5645->hp_on = true;
} else {
/* depop parameters */
snd_soc_update_bits(codec, RT5645_DEPOP_M2,
@@ -1586,6 +1595,27 @@ static int rt5645_bst2_event(struct snd_soc_dapm_widget *w,
return 0;
}
+static int rt5650_hp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct rt5645_priv *rt5645 = snd_soc_codec_get_drvdata(codec);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ if (rt5645->hp_on) {
+ msleep(100);
+ rt5645->hp_on = false;
+ }
+ break;
+
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
static const struct snd_soc_dapm_widget rt5645_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("LDO2", RT5645_PWR_MIXER,
RT5645_PWR_LDO2_BIT, 0, NULL, 0),
@@ -1870,6 +1900,7 @@ static const struct snd_soc_dapm_widget rt5645_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("PDM1R"),
SND_SOC_DAPM_OUTPUT("SPOL"),
SND_SOC_DAPM_OUTPUT("SPOR"),
+ SND_SOC_DAPM_POST("DAPM_POST", rt5650_hp_event),
};
static const struct snd_soc_dapm_widget rt5645_specific_dapm_widgets[] = {
@@ -2721,77 +2752,6 @@ static int rt5645_set_bias_level(struct snd_soc_codec *codec,
return 0;
}
-static int rt5650_calibration(struct rt5645_priv *rt5645)
-{
- int val, i;
- int ret = -1;
-
- regcache_cache_bypass(rt5645->regmap, true);
- regmap_write(rt5645->regmap, RT5645_RESET, 0);
- regmap_write(rt5645->regmap, RT5645_GEN_CTRL3, 0x0800);
- regmap_write(rt5645->regmap, RT5645_PR_BASE + RT5645_CHOP_DAC_ADC,
- 0x3600);
- regmap_write(rt5645->regmap, RT5645_PR_BASE + 0x25, 0x7000);
- regmap_write(rt5645->regmap, RT5645_I2S1_SDP, 0x8008);
- /* headset type */
- regmap_write(rt5645->regmap, RT5645_GEN_CTRL1, 0x2061);
- regmap_write(rt5645->regmap, RT5645_CHARGE_PUMP, 0x0006);
- regmap_write(rt5645->regmap, RT5645_PWR_ANLG1, 0x2012);
- regmap_write(rt5645->regmap, RT5645_PWR_MIXER, 0x0002);
- regmap_write(rt5645->regmap, RT5645_PWR_VOL, 0x0020);
- regmap_write(rt5645->regmap, RT5645_JD_CTRL3, 0x00f0);
- regmap_write(rt5645->regmap, RT5645_IN1_CTRL1, 0x0006);
- regmap_write(rt5645->regmap, RT5645_IN1_CTRL2, 0x1827);
- regmap_write(rt5645->regmap, RT5645_IN1_CTRL2, 0x0827);
- msleep(400);
- /* Inline command */
- regmap_write(rt5645->regmap, RT5645_DEPOP_M1, 0x0001);
- regmap_write(rt5645->regmap, RT5650_4BTN_IL_CMD2, 0xc000);
- regmap_write(rt5645->regmap, RT5650_4BTN_IL_CMD1, 0x0008);
- /* Calbration */
- regmap_write(rt5645->regmap, RT5645_GLB_CLK, 0x8000);
- regmap_write(rt5645->regmap, RT5645_DEPOP_M1, 0x0000);
- regmap_write(rt5645->regmap, RT5650_4BTN_IL_CMD2, 0xc000);
- regmap_write(rt5645->regmap, RT5650_4BTN_IL_CMD1, 0x0008);
- regmap_write(rt5645->regmap, RT5645_PWR_DIG2, 0x8800);
- regmap_write(rt5645->regmap, RT5645_PWR_ANLG1, 0xe8fa);
- regmap_write(rt5645->regmap, RT5645_PWR_ANLG2, 0x8c04);
- regmap_write(rt5645->regmap, RT5645_DEPOP_M2, 0x3100);
- regmap_write(rt5645->regmap, RT5645_CHARGE_PUMP, 0x0e06);
- regmap_write(rt5645->regmap, RT5645_BASS_BACK, 0x8a13);
- regmap_write(rt5645->regmap, RT5645_GEN_CTRL3, 0x0820);
- regmap_write(rt5645->regmap, RT5645_DEPOP_M1, 0x000d);
- /* Power on and Calbration */
- regmap_write(rt5645->regmap, RT5645_PR_BASE + RT5645_HP_DCC_INT1,
- 0x9f01);
- msleep(200);
- for (i = 0; i < 5; i++) {
- regmap_read(rt5645->regmap, RT5645_PR_BASE + 0x7a, &val);
- if (val != 0 && val != 0x3f3f) {
- ret = 0;
- break;
- }
- msleep(50);
- }
- pr_debug("%s: PR-7A = 0x%x\n", __func__, val);
-
- /* mute */
- regmap_write(rt5645->regmap, RT5645_PR_BASE + 0x3e, 0x7400);
- regmap_write(rt5645->regmap, RT5645_DEPOP_M3, 0x0737);
- regmap_write(rt5645->regmap, RT5645_PR_BASE + RT5645_MAMP_INT_REG2,
- 0xfc00);
- regmap_write(rt5645->regmap, RT5645_DEPOP_M2, 0x1140);
- regmap_write(rt5645->regmap, RT5645_DEPOP_M1, 0x0000);
- regmap_write(rt5645->regmap, RT5645_GEN_CTRL2, 0x4020);
- regmap_write(rt5645->regmap, RT5645_PWR_ANLG2, 0x0006);
- regmap_write(rt5645->regmap, RT5645_PWR_DIG2, 0x0000);
- msleep(350);
-
- regcache_cache_bypass(rt5645->regmap, false);
-
- return ret;
-}
-
static void rt5645_enable_push_button_irq(struct snd_soc_codec *codec,
bool enable)
{
@@ -3319,13 +3279,6 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
goto err_enable;
}
- if (rt5645->codec_type == CODEC_TYPE_RT5650) {
- ret = rt5650_calibration(rt5645);
-
- if (ret < 0)
- pr_err("calibration failed!\n");
- }
-
regmap_write(rt5645->regmap, RT5645_RESET, 0);
ret = regmap_register_patch(rt5645->regmap, init_list,
--
1.8.1.1.439.g50a6b54
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