diff options
Diffstat (limited to 'drivers/input/touchscreen/max11801_ts.c')
| -rwxr-xr-x | drivers/input/touchscreen/max11801_ts.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/input/touchscreen/max11801_ts.c b/drivers/input/touchscreen/max11801_ts.c index 48ee3600a03b..a1ac2d204295 100755 --- a/drivers/input/touchscreen/max11801_ts.c +++ b/drivers/input/touchscreen/max11801_ts.c @@ -106,6 +106,7 @@ struct max11801_data { }; struct i2c_client *max11801_client; unsigned int max11801_workmode; +u8 aux_buf[AUX_BUFSIZE]; static int max11801_dcm_write_command(struct i2c_client *client, int command) { @@ -115,7 +116,6 @@ static int max11801_dcm_write_command(struct i2c_client *client, int command) static u32 max11801_dcm_sample_aux(struct i2c_client *client) { u8 temp_buf; - u8 aux_buf[AUX_BUFSIZE]; int ret; int aux = 0; u32 sample_data = 0; @@ -124,15 +124,17 @@ static u32 max11801_dcm_sample_aux(struct i2c_client *client) mdelay(5); ret = i2c_smbus_read_i2c_block_data(client, FIFO_RD_AUX_MSB, 1, &temp_buf); - aux_buf[0] = temp_buf; if (ret < 1) printk(KERN_DEBUG "FIFO_RD_AUX_MSB read fails\n"); + else + aux_buf[0] = temp_buf; mdelay(5); ret = i2c_smbus_read_i2c_block_data(client, FIFO_RD_AUX_LSB, 1, &temp_buf); - aux_buf[1] = temp_buf; if (ret < 1) printk(KERN_DEBUG "FIFO_RD_AUX_LSB read fails\n"); + else + aux_buf[1] = temp_buf; aux = (aux_buf[0] << 4) + (aux_buf[1] >> 4); /* |