On 10/01/2010 12:59 PM, Naveen Kumar G wrote:
[...]
> +static int bu21013_do_touch_report(struct bu21013_ts_data *data)
> +{
> + u8 buf[LENGTH_OF_BUFFER];
> + unsigned int pos_x[2], pos_y[2];
> + bool has_x_sensors, has_y_sensors;
> + int finger_down_count = 0;
> + int i;
> +
> + if (data == NULL)
> + return -EINVAL;
> +
> + if (bu21013_read_block_data(data, buf) < 0)
> + return -EINVAL;
> +
> + has_x_sensors = hweight32(buf[0] & BU21013_SENSORS_EN_0_7);
> + has_y_sensors = hweight32(((buf[1] & BU21013_SENSORS_EN_8_15) |
> + ((buf[2] & BU21013_SENSORS_EN_16_23) << SHIFT_8)) >> SHIFT_2);
> + if (!has_x_sensors || !has_y_sensors)
> + return 0;
I believe this line will lead to fingers stuck in the down position.
Henrik
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