From: Sugar Zhang <sugar.zhang@rock-chips.com>
Date: Wed, 20 May 2015 03:01:43 +0000 (+0800)
Subject: ASoC: es8316: reduce standby power consumption around ~uA.
X-Git-Tag: firefly_0821_release~4158^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3fcbca1c7c51ca4d20302e97ea4d4887f2ef3080;p=firefly-linux-kernel-4.4.55.git

ASoC: es8316: reduce standby power consumption around ~uA.

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 100644
new mode 100755
index bac349bbc0f4..0c47ad22bb5f
--- a/sound/soc/codecs/es8316.c
+++ b/sound/soc/codecs/es8316.c
@@ -835,7 +835,8 @@ static void es8316_pcm_shutdown(struct snd_pcm_substream *substream,
 	if (--es8316->pwr_count) {
 		DBG("%s pwr count: %d\n", __func__, es8316->pwr_count);
 	} else {
-		snd_soc_write(codec, ES8316_SYS_PDN_REG0D, 0x26);
+		snd_soc_write(codec, ES8316_SYS_PDN_REG0D, 0x3F);
+		snd_soc_write(codec, ES8316_CLKMGR_CLKSW_REG01, 0xF3);
 		DBG("%s pwr count close ES8316_SYS_PDN_REG0D\n", __func__);
 	}
 }
@@ -1169,10 +1170,10 @@ static int es8316_probe(struct snd_soc_codec *codec)
 			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_SYS_PDN_REG0D, 0x26);
+			snd_soc_write(codec, ES8316_SYS_PDN_REG0D, 0x3F);
 			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_write(codec, ES8316_CLKMGR_CLKSW_REG01, 0xF3);
 			snd_soc_write(codec,
 				      ES8316_ADC_PDN_LINSEL_REG22, 0xc0);
 			es8316_init_reg = 1;