diff options
| author | Svyatoslav Ryhel <clamor95@gmail.com> | 2025-09-03 06:53:24 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-09-03 06:59:13 -0700 |
| commit | d504bbda8ca689585bdf663514a187dd3c9f0226 (patch) | |
| tree | b37b21a5e56ef2f438456546a47772a03e415bdb /drivers/input/touchscreen | |
| parent | Input: tsc2007 - change warning to debug message if pen GPIO is not defined (diff) | |
| download | linux-d504bbda8ca689585bdf663514a187dd3c9f0226.tar.gz linux-d504bbda8ca689585bdf663514a187dd3c9f0226.zip | |
Input: tsc2007 - make interrupt optional
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>
Diffstat (limited to 'drivers/input/touchscreen')
| -rw-r--r-- | drivers/input/touchscreen/tsc2007_core.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/input/touchscreen/tsc2007_core.c b/drivers/input/touchscreen/tsc2007_core.c index 9fda83acccb1..05e00a084c88 100644 --- a/drivers/input/touchscreen/tsc2007_core.c +++ b/drivers/input/touchscreen/tsc2007_core.c @@ -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); |