[PATCH] ASoC: AMD Renoir - add DMI entry for Lenovo 2020 AMD platforms

Mark Pearson markpearson at lenovo.com
Wed Jun 2 19:11:48 CEST 2021


More laptops identified where the AMD ACP bridge needs to be blocked
or the microphone will not work when connected to HDMI.

Use DMI to block the microphone PCM device for these platforms.

Suggested-by: Gabriel Craciunescu <nix.or.die at gmail.com>
Signed-off-by: Mark Pearson <markpearson at lenovo.com>
---
 sound/soc/amd/renoir/rn-pci-acp3x.c | 35 +++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/sound/soc/amd/renoir/rn-pci-acp3x.c b/sound/soc/amd/renoir/rn-pci-acp3x.c
index 19438da5dfa5..c9fb1c8fbf8c 100644
--- a/sound/soc/amd/renoir/rn-pci-acp3x.c
+++ b/sound/soc/amd/renoir/rn-pci-acp3x.c
@@ -199,6 +199,41 @@ static const struct dmi_system_id rn_acp_quirk_table[] = {
 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "20NLCTO1WW"),
 		}
 	},
+	{
+		/* Lenovo ThinkPad P14s Gen 1 (20Y1) */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_BOARD_NAME, "20Y1"),
+		}
+	},
+	{
+		/* Lenovo ThinkPad T14s Gen1 */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_BOARD_NAME, "20UH"),
+		}
+	},
+	{
+		/* Lenovo ThinkPad T14s Gen1 Campus */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_BOARD_NAME, "20UJ"),
+		}
+	},
+	{
+		/* Lenovo ThinkPad T14 Gen 1*/
+		.matches = {
+			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_BOARD_NAME, "20UD"),
+		}
+	},
+	{
+		/* Lenovo ThinkPad X13 Gen 1*/
+		.matches = {
+			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_BOARD_NAME, "20UF"),
+		}
+	},
 	{}
 };
 
-- 
2.31.1



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