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| author | Nick Dyer <nick.dyer@itdev.co.uk> | 2014-09-09 11:24:21 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-09-09 16:52:15 -0700 |
| commit | 651b4608811796ee6ddea5ce33e8db7ef6ea42b1 (patch) | |
| tree | e85df276f1e7b80d133b9130890610bb701c6fa4 /drivers | |
| parent | 31b2b16d3f356b0e463e603643d8b4b047ba2db8 (diff) | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/touchscreen/atmel_mxt_ts.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index db178ed2b47e..d954b81243fe 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -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); |