The FT5x06 datasheet specifies a minimum reset width of 5ms and a delay between deassertion of reset and start of reporting of 300ms. Adjust the delays to conform to the datasheet. With the original delays I sometimes experienced communication timeouts when initializing the controller. Signed-off-by: Lothar Waßmann <LW@xxxxxxxxxxxxxxxxxxx> --- drivers/input/touchscreen/edt-ft5x06.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 257a1c8..27dccfc 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -652,9 +652,9 @@ static int edt_ft5x06_ts_reset(struct i2c_client *client, return error; } - mdelay(50); + mdelay(5); gpio_set_value(tsdata->reset_pin, 1); - mdelay(100); + msleep(300); } return 0; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
