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

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>

diff --git a/sound/soc/codecs/es8316.c b/sound/soc/codecs/es8316.c
old mode 100755 (executable)
new mode 100644 (file)
index 0c47ad2..40971f7
--- a/sound/soc/codecs/es8316.c
+++ b/sound/soc/codecs/es8316.c
@@ -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;
 }
 

diff --git a/sound/soc/codecs/es8316.h b/sound/soc/codecs/es8316.h
index 586bac3b8fa2d6948c3dc65e490a110d22c6a54a..aa1cc905188847d7179b893bf89c92d13e215ab8 100644 (file)
--- a/sound/soc/codecs/es8316.h
+++ b/sound/soc/codecs/es8316.h
@@ -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