1 files changed, 34 insertions, 1 deletions

diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h
index 330cfc60e948..223f1c0763bb 100644
--- a/drivers/hwmon/lis3lv02d.h
+++ b/drivers/hwmon/lis3lv02d.h
@@ -23,7 +23,7 @@
  * The actual chip is STMicroelectronics LIS3LV02DL or LIS3LV02DQ that seems to
  * be connected via SPI. There exists also several similar chips (such as LIS302DL or
  * LIS3L02DQ) but not in the HP laptops and they have slightly different registers.
- * They can also be connected via I²C.
+ * They can also be connected via I²C.
  */
 
 #define LIS3LV02DL_ID   0x3A /* Also the LIS3LV02DQ */
@@ -147,3 +147,36 @@ enum lis3lv02d_dd_src {
         DD_SRC_IA       = 0x40,
 };
 
+struct axis_conversion {
+        s8      x;
+        s8      y;
+        s8      z;
+};
+
+struct acpi_lis3lv02d {
+        struct acpi_device      *device;   /* The ACPI device */
+        acpi_status (*init) (acpi_handle handle);
+        acpi_status (*write) (acpi_handle handle, int reg, u8 val);
+        acpi_status (*read) (acpi_handle handle, int reg, u8 *ret);
+
+        struct input_dev        *idev;     /* input device */
+        struct task_struct      *kthread;  /* kthread for input */
+        struct mutex            lock;
+        struct platform_device  *pdev;     /* platform device */
+        atomic_t                count;     /* interrupt count after last read */
+        int                     xcalib;    /* calibrated null value for x */
+        int                     ycalib;    /* calibrated null value for y */
+        int                     zcalib;    /* calibrated null value for z */
+        unsigned char           is_on;     /* whether the device is on or off */
+        unsigned char           usage;     /* usage counter */
+        struct axis_conversion  ac;        /* hw -> logical axis */
+};
+
+int lis3lv02d_init_device(struct acpi_lis3lv02d *dev);
+int lis3lv02d_joystick_enable(void);
+void lis3lv02d_joystick_disable(void);
+void lis3lv02d_poweroff(acpi_handle handle);
+void lis3lv02d_poweron(acpi_handle handle);
+int lis3lv02d_remove_fs(void);
+
+extern struct acpi_lis3lv02d adev;