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From:   Mario Limonciello <mario.limonciello@amd.com>
To:     <rafael@kernel.org>, <linux-kernel@vger.kernel.org>
CC:     <travisghansen@yahoo.com>, <catalin@antebit.com>,
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        Mario Limonciello <mario.limonciello@amd.com>,
        Len Brown <lenb@kernel.org>, <linux-acpi@vger.kernel.org>
Subject: [PATCH v4 6/7] acpi/x86: s2idle: Add a quirk for Lenovo Slim 7 Pro 14ARH7
Date:   Wed, 21 Sep 2022 15:40:53 -0500
Message-ID: <20220921204055.22889-7-mario.limonciello@amd.com>
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Lenovo Slim 7 Pro 14ARH7 has a sporadically non-functional keyboard
when resuming from s2idle.  This is caused by some missing calls to the
EC that don't occur in the AMD codepath but only in the Microsoft codepath.

Add the system to the quirk list to force Microsoft codepath.

Reported-by: Travis Glenn Hansen <travisghansen@yahoo.com>
Reported-by: Sebastian S. <iam@decentr.al>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216473
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216438
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
---
v3->v4:
 * Fix URL for one of the bugzilla links
v2->v3:
 * Adjust prefix to cover multiple systems
 * Add another Link tag
v1->v2:
 * New patch
---
 drivers/acpi/x86/s2idle.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c
index 2cd381f6c002..c811eeed42cd 100644
--- a/drivers/acpi/x86/s2idle.c
+++ b/drivers/acpi/x86/s2idle.c
@@ -428,6 +428,18 @@ static const struct dmi_system_id s2idle_dmi_table[] __initconst = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "ROG Zephyrus G14 GA402"),
 		},
 	},
+	{
+		/*
+		 * Lenovo Yoga Slim 7 Pro X 14ARH7
+		 * https://bugzilla.kernel.org/show_bug.cgi?id=216473 : 82V2
+		 * https://bugzilla.kernel.org/show_bug.cgi?id=216438 : 82TL
+		 */
+		.callback = lps0_prefer_microsoft,
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "82"),
+		},
+	},
 	{}
 };
 
-- 
2.34.1