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| author | Nick Dyer <nick.dyer@itdev.co.uk> | 2014-09-02 16:37:46 +0100 |
|---|---|---|
| committer | Nick Dyer <nick.dyer@itdev.co.uk> | 2014-09-09 16:27:31 +0100 |
| commit | 513bb8cadf695fe88bb3b101f2398ea2607192a8 (patch) | |
| tree | 44f1316ed6f888fcf2945c72c2ff8cb5ad82737b | |
| parent | b99f70b657dc10cf828ff020cf3904b35d9620f4 (diff) | |
| download | olio-linux-3.10-513bb8cadf695fe88bb3b101f2398ea2607192a8.tar.xz olio-linux-3.10-513bb8cadf695fe88bb3b101f2398ea2607192a8.zip | |
Input: atmel_mxt_ts - don't spam dmesg with warning about empty interrupts
In the case where the chip is not configured in the correct interrupt line
mode, this warning output to dmesg output for each touch cycle. Downgrade the
message to debug, since it is a benign condition.
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
| -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 8eebdfc92f1..93f1c3bf1c1 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -1223,7 +1223,12 @@ 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); |