[PATCH] Revert "Input: atmel_mxt_ts - disable interrupt for 50ms after reset"

Tom Rini
2016-04-07T22:50:59Z

This reverts commit 885f3fb9fa1f9e185e8a4e905157087495734349 due to this
change breaking the touchpad on the Chromebook Pixel 2015 on resume from
sleep or warm resets.

Cc: Olof Johansson <olof@lixom.net>
Cc: Nick Dyer <nick.dyer@itdev.co.uk>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Henrik Rydberg <rydberg@bitmath.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
---
drivers/input/touchscreen/atmel_mxt_ts.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 2160512..9b92b60 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1098,9 +1098,7 @@ static int mxt_soft_reset(struct mxt_data *data)
struct device *dev = &data->client->dev;
int ret = 0;

- dev_info(dev, "Resetting device\n");
-
- disable_irq(data->irq);
+ dev_info(dev, "Resetting chip\n");

reinit_completion(&data->reset_completion);

@@ -1108,11 +1106,6 @@ static int mxt_soft_reset(struct mxt_data *data)
if (ret)
return ret;

- /* Ignore CHG line for 100ms after reset */
- msleep(100);
-
- enable_irq(data->irq);
-
ret = mxt_wait_for_completion(data, &data->reset_completion,
MXT_RESET_TIMEOUT);
if (ret)
--
1.7.9.5