Input: cyapa - add acpi device id support

Add acpi device tree support.
acpi device id "CYAP0000" is for old gen3 trackpad devices.
acpi device id "CYAP0001" is for new gen5 trackpad devices.

Signed-off-by: Dudley Du <dudl@cypress.com>
Tested-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c
index f59553f72dfac4ddbe7dcebaec2703bb840d0ca1..64c6128304cf4ba97177415a3228e4477b9e42e5 100644 (file)
--- a/drivers/input/mouse/cyapa.c
+++ b/drivers/input/mouse/cyapa.c
@@ -24,6 +24,7 @@
 #include <linux/slab.h>
 #include <linux/uaccess.h>
 #include <linux/pm_runtime.h>
+#include <linux/acpi.h>
 #include "cyapa.h"
 
 
@@ -1369,11 +1370,21 @@ static const struct i2c_device_id cyapa_id_table[] = {
 };
 MODULE_DEVICE_TABLE(i2c, cyapa_id_table);
 
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id cyapa_acpi_id[] = {
+       { "CYAP0000", 0 },  /* Gen3 trackpad with 0x67 I2C address. */
+       { "CYAP0001", 0 },  /* Gen5 trackpad with 0x24 I2C address. */
+       { }
+};
+MODULE_DEVICE_TABLE(acpi, cyapa_acpi_id);
+#endif
+
 static struct i2c_driver cyapa_driver = {
        .driver = {
                .name = "cyapa",
                .owner = THIS_MODULE,
                .pm = &cyapa_pm_ops,
+               .acpi_match_table = ACPI_PTR(cyapa_acpi_id),
        },
 
        .probe = cyapa_probe,