linux-kernel - [PATCH] ASoC: mediatek: mt8186: add AFE_DAC

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Date:   Tue, 10 Jan 2023 17:26:23 +0800
From:   Chunxu Li <chunxu.li@...iatek.com>
To:     <broonie@...nel.org>, <lgirdwood@...il.com>,
        <angelogioacchino.delregno@...labora.com>, <jiaxin.yu@...iatek.com>
CC:     <matthias.bgg@...il.com>, <linux-kernel@...r.kernel.org>,
        <alsa-devel@...a-project.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <project_global_chrome_upstream_group@...iatek.com>,
        Chunxu Li <chunxu.li@...iatek.com>
Subject: [PATCH] ASoC: mediatek: mt8186: add AFE_DAC_CON0 to volatile register list

Mark AFE_DAC_CON0 as volatile since DSP firmware will access this
register too.

Signed-off-by: Chunxu Li <chunxu.li@...iatek.com>
---
 sound/soc/mediatek/mt8186/mt8186-afe-pcm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/mediatek/mt8186/mt8186-afe-pcm.c b/sound/soc/mediatek/mt8186/mt8186-afe-pcm.c
index d7e94e6a19c7..41172a82103e 100644
--- a/sound/soc/mediatek/mt8186/mt8186-afe-pcm.c
+++ b/sound/soc/mediatek/mt8186/mt8186-afe-pcm.c
@@ -2395,6 +2395,7 @@ static bool mt8186_is_volatile_reg(struct device *dev, unsigned int reg)
 	case AUDIO_TOP_CON1:	/* reg bit controlled by CCF */
 	case AUDIO_TOP_CON2:
 	case AUDIO_TOP_CON3:
+	case AFE_DAC_CON0:
 	case AFE_DL1_CUR_MSB:
 	case AFE_DL1_CUR:
 	case AFE_DL1_END:
-- 
2.25.1