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path: root/drivers/input/misc/mma8450.c
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Diffstat (limited to 'drivers/input/misc/mma8450.c')
-rw-r--r--drivers/input/misc/mma8450.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/input/misc/mma8450.c b/drivers/input/misc/mma8450.c
index 480557f14f2..59d4dcddf6d 100644
--- a/drivers/input/misc/mma8450.c
+++ b/drivers/input/misc/mma8450.c
@@ -123,9 +123,9 @@ static void mma8450_poll(struct input_polled_dev *dev)
if (ret < 0)
return;
- x = ((buf[1] << 4) & 0xff0) | (buf[0] & 0xf);
- y = ((buf[3] << 4) & 0xff0) | (buf[2] & 0xf);
- z = ((buf[5] << 4) & 0xff0) | (buf[4] & 0xf);
+ x = ((int)(s8)buf[1] << 4) | (buf[0] & 0xf);
+ y = ((int)(s8)buf[3] << 4) | (buf[2] & 0xf);
+ z = ((int)(s8)buf[5] << 4) | (buf[4] & 0xf);
input_report_abs(dev->input, ABS_X, x);
input_report_abs(dev->input, ABS_Y, y);
@@ -168,7 +168,7 @@ static void mma8450_close(struct input_polled_dev *dev)
* I2C init/probing/exit functions
*/
static int mma8450_probe(struct i2c_client *c,
- const struct i2c_device_id *id)
+ const struct i2c_device_id *id)
{
struct input_polled_dev *idev;
struct mma8450 *m;
@@ -204,6 +204,8 @@ static int mma8450_probe(struct i2c_client *c,
goto err_free_mem;
}
+ i2c_set_clientdata(c, m);
+
return 0;
err_free_mem: