linux-kernel - [PATCH] platform/x86: thinkpad_acpi: Add battery quirk for ThinkPad X131e

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Message-ID: <20250221164825.77315-1-jeffbai@aosc.io>
Date: Sat, 22 Feb 2025 00:48:24 +0800
From: Mingcong Bai <jeffbai@...c.io>
To: linux-kernel@...r.kernel.org,
	platform-driver-x86@...r.kernel.org,
	ibm-acpi-devel@...ts.sourceforge.net
Cc: Kexy Biscuit <kexybiscuit@...c.io>,
	Mingcong Bai <jeffbai@...c.io>,
	Fan Yang <804284660@...com>,
	Xi Ruoyao <xry111@...111.site>,
	Henrique de Moraes Holschuh <hmh@....eng.br>,
	Hans de Goede <hdegoede@...hat.com>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH] platform/x86: thinkpad_acpi: Add battery quirk for ThinkPad X131e

Based on the dmesg messages from the original reporter:

[    4.964073] ACPI: \_SB_.PCI0.LPCB.EC__.HKEY: BCTG evaluated but flagged as error
[    4.964083] thinkpad_acpi: Error probing battery 2

Lenovo ThinkPad X131e also needs this battery quirk.

Reported-by: Fan Yang <804284660@...com>
Tested-by: Fan Yang <804284660@...com>
Co-developed-by: Xi Ruoyao <xry111@...111.site>
Signed-off-by: Xi Ruoyao <xry111@...111.site>
Signed-off-by: Mingcong Bai <jeffbai@...c.io>
---
 drivers/platform/x86/thinkpad_acpi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 1fcb0f99695a7..64765c6939a50 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -9960,6 +9960,7 @@ static const struct tpacpi_quirk battery_quirk_table[] __initconst = {
 	 * Individual addressing is broken on models that expose the
 	 * primary battery as BAT1.
 	 */
+	TPACPI_Q_LNV('G', '8', true),       /* ThinkPad X131e */
 	TPACPI_Q_LNV('8', 'F', true),       /* Thinkpad X120e */
 	TPACPI_Q_LNV('J', '7', true),       /* B5400 */
 	TPACPI_Q_LNV('J', 'I', true),       /* Thinkpad 11e */
-- 
2.48.1