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path: root/drivers/input/mouse/elan_i2c.h
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Diffstat (limited to 'drivers/input/mouse/elan_i2c.h')
-rw-r--r--drivers/input/mouse/elan_i2c.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
index 9b2dc015f20c..6d5f8a4c1748 100644
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -25,6 +25,7 @@
#define ETP_ENABLE_CALIBRATE 0x0002
#define ETP_DISABLE_CALIBRATE 0x0000
#define ETP_DISABLE_POWER 0x0001
+#define ETP_PRESSURE_OFFSET 25
/* IAP Firmware handling */
#define ETP_FW_NAME "elan_i2c.bin"
@@ -79,6 +80,8 @@ struct elan_transport_ops {
struct completion *reset_done);
int (*get_report)(struct i2c_client *client, u8 *report);
+ int (*get_pressure_adjustment)(struct i2c_client *client,
+ int *adjustment);
};
extern const struct elan_transport_ops elan_smbus_ops, elan_i2c_ops;