6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Mingcong Bai jeffbai@aosc.io
commit d0d10eaedcb53740883d7e5d53c5e15c879b48fb upstream.
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@qq.com Tested-by: Fan Yang 804284660@qq.com Co-developed-by: Xi Ruoyao xry111@xry111.site Signed-off-by: Xi Ruoyao xry111@xry111.site Signed-off-by: Mingcong Bai jeffbai@aosc.io Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20250221164825.77315-1-jeffbai@aosc.io Reviewed-by: Ilpo Järvinen ilpo.jarvinen@linux.intel.com Signed-off-by: Ilpo Järvinen ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/platform/x86/thinkpad_acpi.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -9911,6 +9911,7 @@ static const struct tpacpi_quirk battery * 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 */