linux-kernel - [PATCH 5.10 009/126] ASoC: rt1015: fix i2c communication error

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Date:   Mon,  5 Apr 2021 10:52:51 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jack Yu <jack.yu@...ltek.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 009/126] ASoC: rt1015: fix i2c communication error

From: Jack Yu <jack.yu@...ltek.com>

[ Upstream commit 9e0bdaa9fcb8c64efc1487a7fba07722e7bc515e ]

Remove 0x100 cache re-sync to solve i2c communication error.

Signed-off-by: Jack Yu <jack.yu@...ltek.com>
Link: https://lore.kernel.org/r/20210222090057.29532-1-jack.yu@realtek.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/codecs/rt1015.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/rt1015.c b/sound/soc/codecs/rt1015.c
index 3db07293c70b..2627910060dc 100644
--- a/sound/soc/codecs/rt1015.c
+++ b/sound/soc/codecs/rt1015.c
@@ -209,6 +209,7 @@ static bool rt1015_volatile_register(struct device *dev, unsigned int reg)
 	case RT1015_VENDOR_ID:
 	case RT1015_DEVICE_ID:
 	case RT1015_PRO_ALT:
+	case RT1015_MAN_I2C:
 	case RT1015_DAC3:
 	case RT1015_VBAT_TEST_OUT1:
 	case RT1015_VBAT_TEST_OUT2:
-- 
2.30.1