In case tsc2007 is used as an ADC sensor there will be no interrupt
provided at all, so set up an interrupt only if one is present.
Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
---
drivers/input/touchscreen/tsc2007_core.c | 28 ++++++++++++++----------
1 file changed, 16 insertions(+), 12 deletions(-)
diff --git a/drivers/input/touchscreen/tsc2007_core.c b/drivers/input/touchscreen/tsc2007_core.c
index 17c82baf87df..4b169200e689 100644
--- a/drivers/input/touchscreen/tsc2007_core.c
+++ b/drivers/input/touchscreen/tsc2007_core.c
@@ -178,7 +178,8 @@ static void tsc2007_stop(struct tsc2007 *ts)
mb();
wake_up(&ts->wait);
- disable_irq(ts->irq);
+ if (ts->irq)
+ disable_irq(ts->irq);
}
static int tsc2007_open(struct input_dev *input_dev)
@@ -189,7 +190,8 @@ static int tsc2007_open(struct input_dev *input_dev)
ts->stopped = false;
mb();
- enable_irq(ts->irq);
+ if (ts->irq)
+ enable_irq(ts->irq);
/* Prepare for touch readings - power down ADC and enable PENIRQ */
err = tsc2007_xfer(ts, PWRDOWN);
@@ -362,17 +364,19 @@ static int tsc2007_probe(struct i2c_client *client)
pdata->init_platform_hw();
}
- err = devm_request_threaded_irq(&client->dev, ts->irq,
- NULL, tsc2007_soft_irq,
- IRQF_ONESHOT,
- client->dev.driver->name, ts);
- if (err) {
- dev_err(&client->dev, "Failed to request irq %d: %d\n",
- ts->irq, err);
- return err;
- }
+ if (ts->irq) {
+ err = devm_request_threaded_irq(&client->dev, ts->irq,
+ NULL, tsc2007_soft_irq,
+ IRQF_ONESHOT,
+ client->dev.driver->name, ts);
+ if (err) {
+ dev_err(&client->dev, "Failed to request irq %d: %d\n",
+ ts->irq, err);
+ return err;
+ }
- tsc2007_stop(ts);
+ tsc2007_stop(ts);
+ }
/* power down the chip (TSC2007_SETUP does not ACK on I2C) */
err = tsc2007_xfer(ts, PWRDOWN);
--
2.43.0
