diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 95fe0452dae48e809d4c7c6db9dab80fae57d127..6c6a09b1c0fed5f116ccddd4ab39de971c08e5a4 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -879,6 +879,14 @@ static unsigned int atkbd_hp_zv6100_forced_release_keys[] = {
 	0xae, 0xb0, -1U
 };
 
+/*
+ * Perform fixup for HP (Compaq) Presario R4000 R4100 R4200 that don't generate
+ * release for their volume buttons
+ */
+static unsigned int atkbd_hp_r4000_forced_release_keys[] = {
+	0xae, 0xb0, -1U
+};
+
 /*
  * Samsung NC10,NC20 with Fn+F? key release not working
  */
@@ -1536,6 +1544,33 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
 		.callback = atkbd_setup_forced_release,
 		.driver_data = atkbd_hp_zv6100_forced_release_keys,
 	},
+	{
+		.ident = "HP Presario R4000",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"),
+		},
+		.callback = atkbd_setup_forced_release,
+		.driver_data = atkbd_hp_r4000_forced_release_keys,
+	},
+	{
+		.ident = "HP Presario R4100",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"),
+		},
+		.callback = atkbd_setup_forced_release,
+		.driver_data = atkbd_hp_r4000_forced_release_keys,
+	},
+	{
+		.ident = "HP Presario R4200",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"),
+		},
+		.callback = atkbd_setup_forced_release,
+		.driver_data = atkbd_hp_r4000_forced_release_keys,
+	},
 	{
 		.ident = "Inventec Symphony",
 		.matches = {
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index ae04d8a494e56e4e6e47f16922879177a6a13283..ccbf23ece8e370cc2e59fa4fef47d8cfd9ed5a09 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -382,6 +382,14 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
 		},
 	},
+	{
+		.ident = "Acer Aspire 5536",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
+		},
+	},
 	{ }
 };