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From:   Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
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Subject: [PATCH] ASoC: SOF: amd: Add pci revision id check
Date:   Tue, 23 May 2023 12:50:01 +0530
Message-ID: <20230523072009.2379198-1-venkataprasad.potturu@amd.com>
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Add pci revision id check for renoir and rembrandt platforms.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
---
 sound/soc/sof/amd/acp.h     | 3 +++
 sound/soc/sof/amd/pci-rmb.c | 3 +++
 sound/soc/sof/amd/pci-rn.c  | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h
index 1c535cc6c3a9..dc624f727aa3 100644
--- a/sound/soc/sof/amd/acp.h
+++ b/sound/soc/sof/amd/acp.h
@@ -55,6 +55,9 @@
 
 #define ACP_DSP_TO_HOST_IRQ			0x04
 
+#define ACP_RN_PCI_ID				0x01
+#define ACP_RMB_PCI_ID				0x6F
+
 #define HOST_BRIDGE_CZN				0x1630
 #define HOST_BRIDGE_RMB				0x14B5
 #define ACP_SHA_STAT				0x8000
diff --git a/sound/soc/sof/amd/pci-rmb.c b/sound/soc/sof/amd/pci-rmb.c
index eaf70ea6e556..58b3092425f1 100644
--- a/sound/soc/sof/amd/pci-rmb.c
+++ b/sound/soc/sof/amd/pci-rmb.c
@@ -65,6 +65,9 @@ static int acp_pci_rmb_probe(struct pci_dev *pci, const struct pci_device_id *pc
 {
 	unsigned int flag;
 
+	if (pci->revision != ACP_RMB_PCI_ID)
+		return -ENODEV;
+
 	flag = snd_amd_acp_find_config(pci);
 	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
 		return -ENODEV;
diff --git a/sound/soc/sof/amd/pci-rn.c b/sound/soc/sof/amd/pci-rn.c
index 4809cb644152..7409e21ce5aa 100644
--- a/sound/soc/sof/amd/pci-rn.c
+++ b/sound/soc/sof/amd/pci-rn.c
@@ -65,6 +65,9 @@ static int acp_pci_rn_probe(struct pci_dev *pci, const struct pci_device_id *pci
 {
 	unsigned int flag;
 
+	if (pci->revision != ACP_RN_PCI_ID)
+		return -ENODEV;
+
 	flag = snd_amd_acp_find_config(pci);
 	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
 		return -ENODEV;
-- 
2.25.1