diff mbox series

[2/4] input: gpio-vibra: Allow to use vcc-supply alone to control the vibrator

Message ID 20200222231428.233621-3-megous@megous.com (mailing list archive)
State New, archived
Headers show
Series Add support for vibrator motor for TBS A711 Tablet | expand

Commit Message

Ondřej Jirman Feb. 22, 2020, 11:14 p.m. UTC 
Make enable-gpio optional to allow using this driver with
boards that have vibrator connected to a power supply without
intermediate gpio based enable circuitry.

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
 drivers/input/misc/gpio-vibra.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/input/misc/gpio-vibra.c b/drivers/input/misc/gpio-vibra.c
index f79f75595dd73..f11877f04b43c 100644
--- a/drivers/input/misc/gpio-vibra.c
+++ b/drivers/input/misc/gpio-vibra.c
@@ -121,7 +121,8 @@  static int gpio_vibrator_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	vibrator->gpio = devm_gpiod_get(&pdev->dev, "enable", GPIOD_OUT_LOW);
+	vibrator->gpio = devm_gpiod_get_optional(&pdev->dev, "enable",
+						 GPIOD_OUT_LOW);
 	err = PTR_ERR_OR_ZERO(vibrator->gpio);
 	if (err) {
 		if (err != -EPROBE_DEFER)