diff options
Diffstat (limited to 'drivers/input/misc/mma8450.c')
| -rw-r--r-- | drivers/input/misc/mma8450.c | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/input/misc/mma8450.c b/drivers/input/misc/mma8450.c index 4d60080bb5d..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); @@ -167,8 +167,8 @@ static void mma8450_close(struct input_polled_dev *dev) /* * I2C init/probing/exit functions */ -static int __devinit mma8450_probe(struct i2c_client *c, - const struct i2c_device_id *id) +static int mma8450_probe(struct i2c_client *c, + const struct i2c_device_id *id) { struct input_polled_dev *idev; struct mma8450 *m; @@ -204,6 +204,8 @@ static int __devinit mma8450_probe(struct i2c_client *c, goto err_free_mem; } + i2c_set_clientdata(c, m); + return 0; err_free_mem: @@ -212,7 +214,7 @@ err_free_mem: return err; } -static int __devexit mma8450_remove(struct i2c_client *c) +static int mma8450_remove(struct i2c_client *c) { struct mma8450 *m = i2c_get_clientdata(c); struct input_polled_dev *idev = m->idev; @@ -243,21 +245,11 @@ static struct i2c_driver mma8450_driver = { .of_match_table = mma8450_dt_ids, }, .probe = mma8450_probe, - .remove = __devexit_p(mma8450_remove), + .remove = mma8450_remove, .id_table = mma8450_id, }; -static int __init mma8450_init(void) -{ - return i2c_add_driver(&mma8450_driver); -} -module_init(mma8450_init); - -static void __exit mma8450_exit(void) -{ - i2c_del_driver(&mma8450_driver); -} -module_exit(mma8450_exit); +module_i2c_driver(mma8450_driver); MODULE_AUTHOR("Freescale Semiconductor, Inc."); MODULE_DESCRIPTION("MMA8450 3-Axis Accelerometer Driver"); |