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[2/5] proximity: vl53l0x: Prefer pre-initialized interrupt flags

Message ID 20220523175344.5845-3-markuss.broks@gmail.com (mailing list archive)
State Accepted
Headers show
Series Add support for ToF sensor on Yoshino platform | expand

Commit Message

Markuss Broks May 23, 2022, 5:53 p.m. UTC
On some boards interrupt type might be different than falling edge,
like hardcoded in driver. Leave interrupt flags as they were pre-configured
from the device-tree. If they're not provided, default to falling edge

Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
 drivers/iio/proximity/vl53l0x-i2c.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
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diff --git a/drivers/iio/proximity/vl53l0x-i2c.c b/drivers/iio/proximity/vl53l0x-i2c.c
index 661a79ea200d..12a3e2eff464 100644
--- a/drivers/iio/proximity/vl53l0x-i2c.c
+++ b/drivers/iio/proximity/vl53l0x-i2c.c
@@ -16,6 +16,7 @@ 
 #include <linux/delay.h>
 #include <linux/i2c.h>
+#include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
@@ -57,11 +58,15 @@  static irqreturn_t vl53l0x_handle_irq(int irq, void *priv)
 static int vl53l0x_configure_irq(struct i2c_client *client,
 				 struct iio_dev *indio_dev)
+	int irq_flags = irq_get_trigger_type(client->irq);
 	struct vl53l0x_data *data = iio_priv(indio_dev);
 	int ret;
+	if (!irq_flags)
+		irq_flags = IRQF_TRIGGER_FALLING;
 	ret = devm_request_irq(&client->dev, client->irq, vl53l0x_handle_irq,
-			IRQF_TRIGGER_FALLING, indio_dev->name, indio_dev);
+			irq_flags, indio_dev->name, indio_dev);
 	if (ret) {
 		dev_err(&client->dev, "devm_request_irq error: %d\n", ret);
 		return ret;