diff options
Diffstat (limited to 'drivers/input/touchscreen/stmfts.c')
| -rw-r--r-- | drivers/input/touchscreen/stmfts.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c index 2a123e20a42e..efdb1a75a163 100644 --- a/drivers/input/touchscreen/stmfts.c +++ b/drivers/input/touchscreen/stmfts.c @@ -682,6 +682,14 @@ static int stmfts_probe(struct i2c_client *client, input_set_drvdata(sdata->input, sdata); + /* + * stmfts_power_on expects interrupt to be disabled, but + * at this point the device is still off and I do not trust + * the status of the irq line that can generate some spurious + * interrupts. To be on the safe side it's better to not enable + * the interrupts during their request. + */ + irq_set_status_flags(client->irq, IRQ_NOAUTOEN); err = devm_request_threaded_irq(&client->dev, client->irq, NULL, stmfts_irq_handler, IRQF_ONESHOT, @@ -689,9 +697,6 @@ static int stmfts_probe(struct i2c_client *client, if (err) return err; - /* stmfts_power_on expects interrupt to be disabled */ - disable_irq(client->irq); - dev_dbg(&client->dev, "initializing ST-Microelectronics FTS...\n"); err = stmfts_power_on(sdata); |