diff --git a/local/recipes/system/redbear-quirks/source/quirks.d/50-system.toml b/local/recipes/system/redbear-quirks/source/quirks.d/50-system.toml
index 2b3a2ba5cf..831c0905c6 100644
--- a/local/recipes/system/redbear-quirks/source/quirks.d/50-system.toml
+++ b/local/recipes/system/redbear-quirks/source/quirks.d/50-system.toml
@@ -51,16 +51,55 @@ match.board_name = "X570 AORUS MASTER"
 # match.product_name = "Example Model"
 
 # LG Gram 16 (2025) / Intel Arrow Lake-H. Modern Standby (S0ix) is
-# preferred over S3. Disable legacy ACPI S5 reset path that conflicts
-# with the LG firmware's Modern Standby implementation.
+# preferred over S3 (the firmware does not advertise \_S3 at all on
+# this model; all sleep goes through s2idle). Disable the legacy
+# ACPI S5 reset path that conflicts with the LG firmware's Modern
+# Standby implementation.
+#
+# Flags here are ported from the Linux 7.1 reference tree:
+#   force_s2idle            — Linux acpi/sleep.c has no LG entry
+#                             (s2idle is the default on all LG Gram
+#                             models; the flag is explicit for
+#                             documentation + future-proofing if a
+#                             BIOS update adds S3)
+#   acpi_irq1_skip_override — Linux drivers/acpi/resource.c
+#                             irq1_level_low_skip_override[]
+#                             (lines 522-534). Without this the ACPI
+#                             core rewrites the DSDT's ActiveLow to
+#                             ActiveHigh and the i8042 keyboard IRQ
+#                             stops firing.
+#   kbd_deactivate_fixup    — Linux drivers/input/keyboard/atkbd.c
+#                             line 1913-1917. Prevents spurious
+#                             keyboard ACK / dropped keys on LG.
+#   no_legacy_pm1b          — Single-PM1a hardware (LG firmware does
+#                             not implement PM1b_CNT). Tells acpid
+#                             to skip the SLP_TYPb write path.
 [[dmi_system_quirk]]
-flags = ["force_s2idle"]
+flags = ["force_s2idle", "acpi_irq1_skip_override", "kbd_deactivate_fixup", "no_legacy_pm1b"]
 match.sys_vendor = "LG Electronics"
 match.product_name = "16Z90TR"
 
 # LG Gram 16T90SP (2026 Panther Lake). Same modern-standby
-# preference; same S0ix SLP hint handling.
+# preference; same keyboard/ACPI quirk set as the 16Z90TR.
+# The 16T90SP is already in Linux's
+# irq1_level_low_skip_override[] (commit 53f1a90, Oct 2024).
 [[dmi_system_quirk]]
-flags = ["force_s2idle"]
+flags = ["force_s2idle", "acpi_irq1_skip_override", "kbd_deactivate_fixup", "no_legacy_pm1b"]
 match.sys_vendor = "LG Electronics"
 match.product_name = "16T90SP"
+
+# LG Gram 17U70P (17 inch, 2020 Comet Lake). Also in Linux's
+# irq1_level_low_skip_override[] (resource.c:522-527). No
+# force_s2idle (older LG Gram still has working S3).
+[[dmi_system_quirk]]
+flags = ["acpi_irq1_skip_override", "kbd_deactivate_fixup"]
+match.sys_vendor = "LG Electronics"
+match.product_name = "17U70P"
+
+# All LG Electronics: keyboard deactivate fixup (Linux atkbd.c
+# matches on sys_vendor only, no product_name filter). This is
+# the catch-all for older LG laptops that don't have specific
+# model entries above.
+[[dmi_system_quirk]]
+flags = ["kbd_deactivate_fixup"]
+match.sys_vendor = "LG Electronics"
diff --git a/local/sources/kernel b/local/sources/kernel
index 24fd0a083d..7a38664253 160000
--- a/local/sources/kernel
+++ b/local/sources/kernel
@@ -1 +1 @@
-Subproject commit 24fd0a083d9ddf4ffa5800943a2bcf54fa0fd3e0
+Subproject commit 7a38664253df61d2121945e959ff590f6bd862b7