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ASoC: es8316: use startup/shutdown to manager power consumption.

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use startup/shutdown to reduce power consumption, every time codec
standby, we shutdown codec. so, there is no need extra operation in
suspend.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
This commit is contained in:
Sugar Zhang
2015-05-21 18:38:13 +08:00
parent cdff984abf
commit bdc58cc10e
2 changed files with 42 additions and 29 deletions
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54
sound/soc/codecs/es8316.c Executable file → Normal file
View File

@@ -767,7 +767,12 @@ static int es8316_pcm_startup(struct snd_pcm_substream *substream,
__func__, __LINE__, es8316->sysclk);
snd_soc_write(codec, ES8316_RESET_REG00, 0xC0);
snd_soc_write(codec, ES8316_SYS_PDN_REG0D, 0x00);
snd_soc_write(codec, ES8316_CLKMGR_CLKSW_REG01, 0x7F);
/* es8316: both playback and capture need dac mclk */
snd_soc_update_bits(codec, ES8316_CLKMGR_CLKSW_REG01,
ES8316_CLKMGR_MCLK_DIV_MASK |
ES8316_CLKMGR_DAC_MCLK_MASK,
ES8316_CLKMGR_MCLK_DIV_NML |
ES8316_CLKMGR_DAC_MCLK_EN);
es8316->pwr_count++;
if (playback) {
@@ -781,11 +786,21 @@ static int es8316_pcm_startup(struct snd_pcm_substream *substream,
snd_soc_write(codec, ES8316_CPHP_PDN1_REG19, 0x02);
snd_soc_write(codec, ES8316_DAC_PDN_REG2F, 0x00);
snd_soc_write(codec, ES8316_CPHP_OUTEN_REG17, 0x66);
snd_soc_update_bits(codec, ES8316_CLKMGR_CLKSW_REG01,
ES8316_CLKMGR_DAC_MCLK_MASK |
ES8316_CLKMGR_DAC_ANALOG_MASK,
ES8316_CLKMGR_DAC_MCLK_EN |
ES8316_CLKMGR_DAC_ANALOG_EN);
msleep(50);
DBG("%s playback\n", __func__);
} else {
snd_soc_update_bits(codec,
ES8316_ADC_PDN_LINSEL_REG22, 0xC0, 0x20);
snd_soc_update_bits(codec, ES8316_CLKMGR_CLKSW_REG01,
ES8316_CLKMGR_ADC_MCLK_MASK |
ES8316_CLKMGR_ADC_ANALOG_MASK,
ES8316_CLKMGR_ADC_MCLK_EN |
ES8316_CLKMGR_ADC_ANALOG_EN);
DBG("%s capture\n", __func__);
}
@@ -825,10 +840,17 @@ static void es8316_pcm_shutdown(struct snd_pcm_substream *substream,
snd_soc_write(codec, ES8316_SYS_PDN_REG0D, 0x00);
snd_soc_write(codec, ES8316_SYS_LP1_REG0E, 0xFF);
snd_soc_write(codec, ES8316_SYS_LP2_REG0F, 0xFF);
snd_soc_write(codec, ES8316_CLKMGR_CLKSW_REG01, 0xFF);
snd_soc_update_bits(codec, ES8316_CLKMGR_CLKSW_REG01,
ES8316_CLKMGR_DAC_ANALOG_MASK,
ES8316_CLKMGR_DAC_ANALOG_DIS);
DBG("%s playback\n", __func__);
} else {
snd_soc_write(codec, ES8316_ADC_PDN_LINSEL_REG22, 0xc0);
snd_soc_update_bits(codec, ES8316_CLKMGR_CLKSW_REG01,
ES8316_CLKMGR_ADC_MCLK_MASK |
ES8316_CLKMGR_ADC_ANALOG_MASK,
ES8316_CLKMGR_ADC_MCLK_DIS |
ES8316_CLKMGR_ADC_ANALOG_DIS);
DBG("%s capture\n", __func__);
}
@@ -1035,7 +1057,7 @@ static int es8316_init_regs(struct snd_soc_codec *codec)
snd_soc_write(codec, ES8316_RESET_REG00, 0x00);
snd_soc_write(codec, ES8316_SYS_VMIDSEL_REG0C, 0xFF);
msleep(30);
snd_soc_write(codec, ES8316_CLKMGR_CLKSEL_REG02, 0x09);
snd_soc_write(codec, ES8316_CLKMGR_CLKSEL_REG02, 0x08);
snd_soc_write(codec, ES8316_CLKMGR_ADCOSR_REG03, 0x20);
snd_soc_write(codec, ES8316_CLKMGR_ADCDIV1_REG04, 0x11);
snd_soc_write(codec, ES8316_CLKMGR_ADCDIV2_REG05, 0x00);
@@ -1094,37 +1116,11 @@ static int es8316_init_regs(struct snd_soc_codec *codec)
static int es8316_suspend(struct snd_soc_codec *codec)
{
snd_soc_write(codec, ES8316_CPHP_OUTEN_REG17, 0x00);
snd_soc_write(codec, ES8316_DAC_PDN_REG2F, 0x11);
snd_soc_write(codec, ES8316_CPHP_LDOCTL_REG1B, 0x03);
snd_soc_write(codec, ES8316_CPHP_PDN2_REG1A, 0x22);
snd_soc_write(codec, ES8316_CPHP_PDN1_REG19, 0x06);
snd_soc_write(codec, ES8316_HPMIX_SWITCH_REG14, 0x00);
snd_soc_write(codec, ES8316_HPMIX_PDN_REG15, 0x33);
snd_soc_write(codec, ES8316_HPMIX_VOL_REG16, 0x00);
snd_soc_write(codec, ES8316_ADC_PDN_LINSEL_REG22, 0xC0);
snd_soc_write(codec, ES8316_SYS_PDN_REG0D, 0x3F);
snd_soc_write(codec, ES8316_SYS_LP1_REG0E, 0x3F);
snd_soc_write(codec, ES8316_SYS_LP2_REG0F, 0x1F);
snd_soc_write(codec, ES8316_RESET_REG00, 0x00);
return 0;
}
static int es8316_resume(struct snd_soc_codec *codec)
{
snd_soc_write(codec, ES8316_RESET_REG00, 0xC0);
snd_soc_write(codec, ES8316_SYS_PDN_REG0D, 0x00);
snd_soc_write(codec, ES8316_SYS_LP1_REG0E, 0x3F);
snd_soc_write(codec, ES8316_SYS_LP2_REG0F, 0x1F);
snd_soc_write(codec, ES8316_HPMIX_SWITCH_REG14, 0x88);
snd_soc_write(codec, ES8316_HPMIX_PDN_REG15, 0x88);
snd_soc_write(codec, ES8316_HPMIX_VOL_REG16, 0xbb);
snd_soc_write(codec, ES8316_CPHP_PDN1_REG19, 0x02);
snd_soc_write(codec, ES8316_CPHP_PDN2_REG1A, 0x10);
snd_soc_write(codec, ES8316_CPHP_LDOCTL_REG1B, 0x30);
snd_soc_write(codec, ES8316_DAC_PDN_REG2F, 0x11);
snd_soc_write(codec, ES8316_ADC_PDN_LINSEL_REG22, 0xc0);
snd_soc_write(codec, ES8316_CPHP_OUTEN_REG17, 0x00);
return 0;
}

17
sound/soc/codecs/es8316.h
View File

@@ -114,4 +114,21 @@
#define ES8316_REGNUM 84
/* REGISTER 0X01 CLOCK MANAGER */
#define ES8316_CLKMGR_MCLK_DIV_MASK (0X1<<7)
#define ES8316_CLKMGR_MCLK_DIV_NML (0X0<<7)
#define ES8316_CLKMGR_MCLK_DIV_1 (0X1<<7)
#define ES8316_CLKMGR_ADC_MCLK_MASK (0X1<<3)
#define ES8316_CLKMGR_ADC_MCLK_EN (0X1<<3)
#define ES8316_CLKMGR_ADC_MCLK_DIS (0X0<<3)
#define ES8316_CLKMGR_DAC_MCLK_MASK (0X1<<2)
#define ES8316_CLKMGR_DAC_MCLK_EN (0X1<<2)
#define ES8316_CLKMGR_DAC_MCLK_DIS (0X0<<2)
#define ES8316_CLKMGR_ADC_ANALOG_MASK (0X1<<1)
#define ES8316_CLKMGR_ADC_ANALOG_EN (0X1<<1)
#define ES8316_CLKMGR_ADC_ANALOG_DIS (0X0<<1)
#define ES8316_CLKMGR_DAC_ANALOG_MASK (0X1<<0)
#define ES8316_CLKMGR_DAC_ANALOG_EN (0X1<<0)
#define ES8316_CLKMGR_DAC_ANALOG_DIS (0X0<<0)
#endif