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Input: atmel_mxt_ts - downgrade warning about empty interrupts 

In the case where the CHG/interrupt line mode is not configured correctly,
this warning is output to dmesg output for each interrupt. Downgrade the
message to debug.

Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
hifive-unleashed-5.1
Nick Dyer 2014-09-09 11:24:21 -07:00 committed by Dmitry Torokhov
parent 31b2b16d3f
commit 651b460881
1 changed files with 6 additions and 1 deletions
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7
drivers/input/touchscreen/atmel_mxt_ts.c
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@ -837,7 +837,12 @@ static irqreturn_t mxt_process_messages_t44(struct mxt_data *data)
count = data->msg_buf[0];
if (count == 0) {
dev_warn(dev, "Interrupt triggered but zero messages\n");
/*
* This condition is caused by the CHG line being configured
* in Mode 0. It results in unnecessary I2C operations but it
* is benign.
*/
dev_dbg(dev, "Interrupt triggered but zero messages\n");
return IRQ_NONE;
} else if (count > data->max_reportid) {
dev_err(dev, "T44 count %d exceeded max report id\n", count);