Input: i8042 - add noloop quirk for Medion Akoya E7225 (MD98857)

Without this the aux port does not get detected, and consequently the touchpad
will not work.

With this patch the touchpad is detected:

$ dmesg | grep -E "(SYN|i8042|serio)"
pnp 00:03: Plug and Play ACPI device, IDs SYN1d22 PNP0f13 (active)
i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
serio: i8042 KBD port at 0x60,0x64 irq 1
serio: i8042 AUX port at 0x60,0x64 irq 12
input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4
psmouse serio1: synaptics: Touchpad model: 1, fw: 8.1, id: 0x1e2b1, caps: 0xd00123/0x840300/0x126800, board id: 2863, fw id: 1473085
input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input6

dmidecode excerpt for this laptop is:

Handle 0x0001, DMI type 1, 27 bytes
System Information
        Manufacturer: Medion
        Product Name: Akoya E7225
        Version: 1.0

Cc: stable@vger.kernel.org
Signed-off-by: Jochen Hein <jochen@jochen.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 764857b4e2682fa5d3ecc74f77d4f41a92eb34bb..c11556563ef0633f746edc9bc9e3ebca80879e8b 100644 (file)
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -151,6 +151,14 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
                        DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
                },
        },
+       {
+               /* Medion Akoya E7225 */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
+                       DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
+               },
+       },
        {
                /* Blue FB5601 */
                .matches = {