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 | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 04d0665..cc5185a 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -635,7 +635,7 @@ static int edt_ft5x06_ts_reset(struct i2c_client *client,
return error;
}
- mdelay(5);
+ msleep(5);
gpio_set_value(tsdata->wake_pin, 1);
}
if (gpio_is_valid(tsdata->reset_pin)) {
@@ -650,9 +650,9 @@ static int edt_ft5x06_ts_reset(struct i2c_client *client,
return error;
}
- mdelay(50);
+ msleep(5);
gpio_set_value(tsdata->reset_pin, 1);
- mdelay(100);
+ msleep(300);
}
return 0;
--
1.7.10.4
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