hwmon: (applesmc) Skip sensor mapping
The special motion sensor mapping is unnecessary; remove it.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 2cde9ec..0162f55 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -96,10 +96,6 @@
#define APPLESMC_INPUT_FUZZ 4 /* input event threshold */
#define APPLESMC_INPUT_FLAT 4
-#define SENSOR_X 0
-#define SENSOR_Y 1
-#define SENSOR_Z 2
-
#define to_index(attr) (to_sensor_dev_attr(attr)->index & 0xffff)
#define to_option(attr) (to_sensor_dev_attr(attr)->index >> 16)
@@ -432,30 +428,19 @@
}
/*
- * applesmc_read_motion_sensor - Read motion sensor (X, Y or Z).
+ * applesmc_read_s16 - Read 16-bit signed big endian register
*/
-static int applesmc_read_motion_sensor(int index, s16 *value)
+static int applesmc_read_s16(const char *key, s16 *value)
{
u8 buffer[2];
int ret;
- switch (index) {
- case SENSOR_X:
- ret = applesmc_read_key(MOTION_SENSOR_X_KEY, buffer, 2);
- break;
- case SENSOR_Y:
- ret = applesmc_read_key(MOTION_SENSOR_Y_KEY, buffer, 2);
- break;
- case SENSOR_Z:
- ret = applesmc_read_key(MOTION_SENSOR_Z_KEY, buffer, 2);
- break;
- default:
- ret = -EINVAL;
- }
+ ret = applesmc_read_key(key, buffer, 2);
+ if (ret)
+ return ret;
*value = ((s16)buffer[0] << 8) | buffer[1];
-
- return ret;
+ return 0;
}
/*
@@ -624,8 +609,8 @@
*/
static void applesmc_calibrate(void)
{
- applesmc_read_motion_sensor(SENSOR_X, &rest_x);
- applesmc_read_motion_sensor(SENSOR_Y, &rest_y);
+ applesmc_read_s16(MOTION_SENSOR_X_KEY, &rest_x);
+ applesmc_read_s16(MOTION_SENSOR_Y_KEY, &rest_y);
rest_x = -rest_x;
}
@@ -634,9 +619,9 @@
struct input_dev *idev = dev->input;
s16 x, y;
- if (applesmc_read_motion_sensor(SENSOR_X, &x))
+ if (applesmc_read_s16(MOTION_SENSOR_X_KEY, &x))
return;
- if (applesmc_read_motion_sensor(SENSOR_Y, &y))
+ if (applesmc_read_s16(MOTION_SENSOR_Y_KEY, &y))
return;
x = -x;
@@ -659,13 +644,13 @@
int ret;
s16 x, y, z;
- ret = applesmc_read_motion_sensor(SENSOR_X, &x);
+ ret = applesmc_read_s16(MOTION_SENSOR_X_KEY, &x);
if (ret)
goto out;
- ret = applesmc_read_motion_sensor(SENSOR_Y, &y);
+ ret = applesmc_read_s16(MOTION_SENSOR_Y_KEY, &y);
if (ret)
goto out;
- ret = applesmc_read_motion_sensor(SENSOR_Z, &z);
+ ret = applesmc_read_s16(MOTION_SENSOR_Z_KEY, &z);
if (ret)
goto out;