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Input: tsc2007 - make interrupt optional

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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@gmail.com>
Link: https://lore.kernel.org/r/20250824091927.105121-3-clamor95@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Svyatoslav Ryhel 2025-09-03 06:53:24 -07:00 committed by Dmitry Torokhov
parent b0e109a242
commit d504bbda8c
1 changed files with 16 additions and 12 deletions
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28
drivers/input/touchscreen/tsc2007_core.c
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@ -177,7 +177,8 @@ 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)
@ -188,7 +189,8 @@ 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);
@ -361,17 +363,19 @@ 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);