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Fix: clear the "PuPu" noise at the very beginning of playback

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This commit is contained in:
Peter.Yang 2018-03-13 03:40:16 +00:00
parent d6744a76d2
commit 9dce807fb7
1 changed files with 24 additions and 11 deletions
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35
ac101.c
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@ -260,16 +260,17 @@ static int ac101_headphone_event(struct snd_soc_codec* codec, int event) {
/*open*/
AC101_DBG("post:open:%s,line:%d\n", __func__, __LINE__);
ac101_update_bits(codec, OMIXER_DACA_CTRL, (0xf<<HPOUTPUTENABLE), (0xf<<HPOUTPUTENABLE));
ac101_update_bits(codec, HPOUT_CTRL, (0x1<<HPPA_EN), (0x1<<HPPA_EN));
msleep(10);
ac101_update_bits(codec, HPOUT_CTRL, (0x1<<HPPA_EN), (0x1<<HPPA_EN));
ac101_update_bits(codec, HPOUT_CTRL, (0x3<<LHPPA_MUTE), (0x3<<LHPPA_MUTE));
break;
case SND_SOC_DAPM_PRE_PMD:
/*close*/
AC101_DBG("pre:close:%s,line:%d\n", __func__, __LINE__);
ac101_update_bits(codec, HPOUT_CTRL, (0x1<<HPPA_EN), (0x0<<HPPA_EN));
ac101_update_bits(codec, OMIXER_DACA_CTRL, (0xf<<HPOUTPUTENABLE), (0x0<<HPOUTPUTENABLE));
ac101_update_bits(codec, HPOUT_CTRL, (0x3<<LHPPA_MUTE), (0x0<<LHPPA_MUTE));
msleep(10);
ac101_update_bits(codec, OMIXER_DACA_CTRL, (0xf<<HPOUTPUTENABLE), (0x0<<HPOUTPUTENABLE));
ac101_update_bits(codec, HPOUT_CTRL, (0x1<<HPPA_EN), (0x0<<HPPA_EN));
break;
}
return 0;
@ -521,22 +522,29 @@ int ac101_aif_mute(struct snd_soc_dai *codec_dai, int mute)
ac101_write(codec, DAC_VOL_CTRL, mute? 0: 0xA0A0);
if (!mute) {
#if _MASTER_MULTI_CODEC != _MASTER_AC101
/* enable global clock */
ac101_aif1clk(static_ac10x->codec, SND_SOC_DAPM_PRE_PMU);
#endif
late_enable_dac(codec, SND_SOC_DAPM_PRE_PMU);
ac101_headphone_event(codec, SND_SOC_DAPM_POST_PMU);
if (drc_used) {
drc_enable(codec, 1);
}
/* Enable Left & Right Speaker */
ac101_update_bits(codec, SPKOUT_CTRL, (0x1 << LSPK_EN) | (0x1 << RSPK_EN), (0x1 << LSPK_EN) | (0x1 << RSPK_EN));
if (ac10x->gpiod_spk_amp_gate) {
gpiod_set_value(ac10x->gpiod_spk_amp_gate, 1);
}
#if _MASTER_MULTI_CODEC != _MASTER_AC101
/* enable global clock */
ac101_aif1clk(static_ac10x->codec, SND_SOC_DAPM_PRE_PMU);
#endif
} else {
if (ac10x->gpiod_spk_amp_gate) {
gpiod_set_value(ac10x->gpiod_spk_amp_gate, 0);
gpiod_set_value(ac10x->gpiod_spk_amp_gate, 1);
}
/* Disable Left & Right Speaker */
ac101_update_bits(codec, SPKOUT_CTRL, (0x1 << LSPK_EN) | (0x1 << RSPK_EN), (0x0 << LSPK_EN) | (0x0 << RSPK_EN));
if (drc_used) {
drc_enable(codec, 0);
}
@ -578,6 +586,11 @@ static int ac101_set_pll(struct snd_soc_dai *codec_dai, int pll_id, int source,
AC101_DBG("%s, line:%d, pll_id:%d\n", __func__, __LINE__, pll_id);
/* select aif1 clk srouce from mclk1 */
ac101_update_bits(codec, SYSCLK_CTRL, (0x3<<AIF1CLK_SRC), (0x0<<AIF1CLK_SRC));
/* disable pll */
ac101_update_bits(codec, PLL_CTRL2, (0x1<<PLL_EN), (0<<PLL_EN));
if (!freq_out)
return 0;
if ((freq_in < 128000) || (freq_in > 24576000)) {
@ -612,14 +625,14 @@ static int ac101_set_pll(struct snd_soc_dai *codec_dai, int pll_id, int source,
break;
}
}
/*config pll m*/
/* config pll m */
if (m == 64) m = 0;
ac101_update_bits(codec, PLL_CTRL1, (0x3f<<PLL_POSTDIV_M), (m<<PLL_POSTDIV_M));
/*config pll n*/
/* config pll n */
ac101_update_bits(codec, PLL_CTRL2, (0x3ff<<PLL_PREDIV_NI), (n_i<<PLL_PREDIV_NI));
ac101_update_bits(codec, PLL_CTRL2, (0x7<<PLL_POSTDIV_NF), (n_f<<PLL_POSTDIV_NF));
/* enable pll */
ac101_update_bits(codec, PLL_CTRL2, (0x1<<PLL_EN), (1<<PLL_EN));
/*enable pll_enable*/
ac101_update_bits(codec, SYSCLK_CTRL, (0x1<<PLLCLK_ENA), (0x1<<PLLCLK_ENA));
ac101_update_bits(codec, SYSCLK_CTRL, (0x3<<AIF1CLK_SRC), (0x3<<AIF1CLK_SRC));