linux-kernel - [PATCH] ACPI: resource: Add a quirk for Lenovo Yoga 7 14ARB7

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 28 Jul 2023 13:39:21 -0500
From:   Mario Limonciello <mario.limonciello@....com>
To:     <rafael@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-acpi@...r.kernel.org>,
        <regressions@...ts.linux.dev>,
        Mario Limonciello <mario.limonciello@....com>,
        August Wikerfors <git@...ustwikerfors.se>
Subject: [PATCH] ACPI: resource: Add a quirk for Lenovo Yoga 7 14ARB7

Lenovo Yoga 7 needs to have keyboard interrupt signaling polarity
is incorrect in the MADT and the value from the DSDT should be used.

Reported-by: August Wikerfors <git@...ustwikerfors.se>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217718
Fixes: a9c4a912b7dc ("ACPI: resource: Remove "Zen" specific match and quirks")
Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 drivers/acpi/resource.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 1dd8d5aebf678..1a826419d5837 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -481,6 +481,17 @@ static const struct dmi_system_id lg_laptop[] = {
 	{ }
 };
 
+static const struct dmi_system_id lenovo_laptop[] = {
+	{
+		.ident = "Lenovo Yoga 7 14ARB7",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "82QF"),
+		},
+	},
+	{ }
+};
+
 struct irq_override_cmp {
 	const struct dmi_system_id *system;
 	unsigned char irq;
@@ -494,6 +505,7 @@ static const struct irq_override_cmp override_table[] = {
 	{ medion_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
 	{ asus_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
 	{ lg_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
+	{ lenovo_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 1, false}
 };
 
 static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity,
-- 
2.34.1