diff options
| author | Zhang Jiejing <jiejing.zhang@freescale.com> | 2011-04-11 16:02:43 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-01-09 20:07:59 +0800 |
| commit | e041af78bcecb1bbdc8681d977212701d8f0a964 (patch) | |
| tree | 9388f2897442496bcd06ad7de5ad79f3fc5cfcab | |
| parent | 53b9067bcf119ed3403324684caf55cb339fcc83 (diff) | |
ENGR00138130-2 input: max11801: add calibrat function for mx53_ard RevA board
Add calibration for MX53 ARD Rev A board.
Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>
| -rwxr-xr-x[-rw-r--r--] | drivers/input/touchscreen/max11801_ts.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/max11801_ts.c b/drivers/input/touchscreen/max11801_ts.c index 4f2713d92791..ca88d6823a98 100644..100755 --- a/drivers/input/touchscreen/max11801_ts.c +++ b/drivers/input/touchscreen/max11801_ts.c @@ -96,6 +96,13 @@ static int max11801_write_reg(struct i2c_client *client, int addr, int data) return i2c_smbus_write_byte_data(client, addr << 1, data); } +static void calibration_pointer(int *x_orig, int *y_orig) +{ + int y; + y = MAX11801_MAX_Y - *y_orig; + *y_orig = y; +} + static irqreturn_t max11801_ts_interrupt(int irq, void *dev_id) { struct max11801_data *data = dev_id; @@ -136,6 +143,7 @@ static irqreturn_t max11801_ts_interrupt(int irq, void *dev_id) case EVENT_INIT: /* fall through */ case EVENT_MIDDLE: + calibration_pointer(&x, &y); input_report_abs(data->input_dev, ABS_X, x); input_report_abs(data->input_dev, ABS_Y, y); input_event(data->input_dev, EV_KEY, BTN_TOUCH, 1); |