diff options
| -rw-r--r-- | drivers/input/touchscreen/ili210x.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c index a6feae5ce887..6861ac4355b2 100644 --- a/drivers/input/touchscreen/ili210x.c +++ b/drivers/input/touchscreen/ili210x.c @@ -8,6 +8,7 @@ #include <linux/interrupt.h> #include <linux/module.h> #include <linux/of_device.h> +#include <linux/sizes.h> #include <linux/slab.h> #include <asm/unaligned.h> @@ -31,6 +32,7 @@ struct ili2xxx_chip { unsigned int *x, unsigned int *y); bool (*continue_polling)(const u8 *data, bool touch); unsigned int max_touches; + unsigned int resolution; }; struct ili210x { @@ -160,6 +162,7 @@ static const struct ili2xxx_chip ili211x_chip = { .parse_touch_data = ili211x_touchdata_to_coords, .continue_polling = ili211x_decline_polling, .max_touches = 10, + .resolution = 2048, }; static int ili251x_read_reg(struct i2c_client *client, @@ -336,6 +339,7 @@ static int ili210x_i2c_probe(struct i2c_client *client, struct gpio_desc *reset_gpio; struct input_dev *input; int error; + unsigned int max_xy; dev_dbg(dev, "Probing for ILI210X I2C Touschreen driver"); @@ -386,8 +390,9 @@ static int ili210x_i2c_probe(struct i2c_client *client, input->id.bustype = BUS_I2C; /* Multi touch */ - input_set_abs_params(input, ABS_MT_POSITION_X, 0, 0xffff, 0, 0); - input_set_abs_params(input, ABS_MT_POSITION_Y, 0, 0xffff, 0, 0); + max_xy = (chip->resolution ?: SZ_64K) - 1; + input_set_abs_params(input, ABS_MT_POSITION_X, 0, max_xy, 0, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, 0, max_xy, 0, 0); touchscreen_parse_properties(input, true, &priv->prop); error = input_mt_init_slots(input, priv->chip->max_touches, |