Input: atmel_mxt_ts - read whole message to make CHG low
Read the whole message, as reading just the first byte isn't always
guaranteed to clear the message.
Signed-off-by: Iiro Valkonen <iiro.valkonen@atmel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 5dca78a..162a3bf 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -823,16 +823,16 @@
static int mxt_make_highchg(struct mxt_data *data)
{
struct device *dev = &data->client->dev;
+ struct mxt_message message;
int count = 10;
int error;
- u8 val;
/* Read dummy message to make high CHG pin */
do {
- error = mxt_read_object(data, MXT_GEN_MESSAGE, 0, &val);
+ error = mxt_read_message(data, &message);
if (error)
return error;
- } while ((val != 0xff) && --count);
+ } while (message.reportid != 0xff && --count);
if (!count) {
dev_err(dev, "CHG pin isn't cleared\n");