From a9230ccc0c6f5fca0b94f57729dc61e0a6098a0a Mon Sep 17 00:00:00 2001
From: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Date: Wed, 23 Feb 2022 12:49:35 +0530
Subject: [PATCH] ASoC: amd: vg: update acp init and deinit sequence
Git-commit: a9230ccc0c6f5fca0b94f57729dc61e0a6098a0a
Patch-mainline: v5.18-rc1
References: jsc#PED-850

As part of ACP programming sequence, ACP_CONTROL and ACP_CLKMUX_SEL
registers should be updated during acp init and de-init sequence.
This patch updates register sequence during ACP init and
deinit.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20220223071959.13539-6-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 sound/soc/amd/vangogh/pci-acp5x.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/amd/vangogh/pci-acp5x.c b/sound/soc/amd/vangogh/pci-acp5x.c
index 2b6b9edc36e2..e0df17c88e8e 100644
--- a/sound/soc/amd/vangogh/pci-acp5x.c
+++ b/sound/soc/amd/vangogh/pci-acp5x.c
@@ -92,12 +92,14 @@ static int acp5x_init(void __iomem *acp5x_base)
 		pr_err("ACP5x power on failed\n");
 		return ret;
 	}
+	acp_writel(0x01, acp5x_base + ACP_CONTROL);
 	/* Reset */
 	ret = acp5x_reset(acp5x_base);
 	if (ret) {
 		pr_err("ACP5x reset failed\n");
 		return ret;
 	}
+	acp_writel(0x03, acp5x_base + ACP_CLKMUX_SEL);
 	acp5x_enable_interrupts(acp5x_base);
 	return 0;
 }
@@ -113,6 +115,8 @@ static int acp5x_deinit(void __iomem *acp5x_base)
 		pr_err("ACP5x reset failed\n");
 		return ret;
 	}
+	acp_writel(0x00, acp5x_base + ACP_CLKMUX_SEL);
+	acp_writel(0x00, acp5x_base + ACP_CONTROL);
 	return 0;
 }
 
-- 
2.35.3