diff mbox series

[v3,4/5] gpio: sysfs: emit chardev line-state events on active-low changes

Message ID 20241026-gpio-notify-sysfs-v3-4-ad8f127d12f5@linaro.org
State New
Headers show
Series gpio: sysfs: send character device notifications for sysfs class events | expand

Commit Message

Bartosz Golaszewski Oct. 26, 2024, 12:58 p.m. UTC 
From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

The sysfs active_low attribute doesn't go through the usual paths so it
doesn't emit the line-state event. Add the missing call to
gpiod_line_state_notify() to gpio_sysfs_set_active_low().

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 drivers/gpio/gpiolib-sysfs.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c
index e1144d3c7645..c0b7f42a0860 100644
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -307,6 +307,8 @@  static int gpio_sysfs_set_active_low(struct device *dev, int value)
 		status = gpio_sysfs_request_irq(dev, flags);
 	}
 
+	gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_CONFIG);
+
 	return status;
 }