[PATCH v0 1/7] ASoC: codecs: ES8389: Modify volatile_register

From: Zhang Yi <[email protected]>

Mark some registers that are not volatile as false

Signed-off-by: Zhang Yi <[email protected]>
---
 sound/soc/codecs/es8389.c | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/es8389.c b/sound/soc/codecs/es8389.c
index 449d9574b03a..9c816491648c 100644
--- a/sound/soc/codecs/es8389.c
+++ b/sound/soc/codecs/es8389.c
@@ -50,10 +50,29 @@ static const char * const es8389_core_supplies[] = {
 static bool es8389_volatile_register(struct device *dev,
 			unsigned int reg)
 {
-	if ((reg  <= 0xff))
-		return true;
-	else
+	switch (reg) {
+	case ES8389_ADC_HPF1:
+	case ES8389_ADC_HPF2:
+	case ES8389_ADCL_VOL:
+	case ES8389_ADCR_VOL:
+	case ES8389_MIC1_GAIN:
+	case ES8389_MIC2_GAIN:
+	case ES8389_DACL_VOL:
+	case ES8389_DACR_VOL:
+	case ES8389_ALC_ON:
+	case ES8389_ALC_CTL:
+	case ES8389_ALC_TARGET:
+	case ES8389_ALC_GAIN:
+	case ES8389_ADC_MUTE:
+	case ES8389_OSR_VOL:
+	case ES8389_DAC_INV:
+	case ES8389_MIX_VOL:
+	case ES8389_DAC_MIX:
+	case ES8389_ADC_RESET:
 		return false;
+	default:
+		return true;
+	}
 }
 
 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9550, 50, 0);
-- 
2.54.0.windows.1