48 lines
1.5 KiB
Diff
48 lines
1.5 KiB
Diff
From: Hector Bujanda <hector.bujanda@digi.com>
|
|
Date: Tue, 14 Apr 2020 15:51:52 -0700
|
|
Subject: [PATCH] gpio: uapi: add userspace support for setting debounce on
|
|
GPIO line
|
|
|
|
Added GPIO_SET_DEBOUNCE_IOCTL define and gpioline_debounce struct.
|
|
This allows calling gpiod_set_debounce() function through char device ioctl to
|
|
gpiolib.
|
|
|
|
https://jira.digi.com/browse/DEL-6425
|
|
|
|
Signed-off-by: Hector Bujanda <hector.bujanda@digi.com>
|
|
Signed-off-by: Javier Viguera <javier.viguera@digi.com>
|
|
---
|
|
include/uapi/linux/gpio.h | 12 ++++++++++++
|
|
1 file changed, 12 insertions(+)
|
|
|
|
diff --git a/include/uapi/linux/gpio.h b/include/uapi/linux/gpio.h
|
|
index eaaea3d8e6b4..638f6dfb6e76 100644
|
|
--- a/include/uapi/linux/gpio.h
|
|
+++ b/include/uapi/linux/gpio.h
|
|
@@ -336,6 +336,17 @@ struct gpioline_info {
|
|
char consumer[GPIO_MAX_NAME_SIZE];
|
|
};
|
|
|
|
+/**
|
|
+ * struct gpioline_debounce - GPIO line debounce
|
|
+ * @line_offset: the local offset on this GPIO device, fill this in when
|
|
+ * requesting the line information from the kernel
|
|
+ * @debounce_usec: debounce in uSeconds to set for this line
|
|
+ */
|
|
+struct gpioline_debounce {
|
|
+ __u32 line_offset;
|
|
+ __u32 debounce_usec;
|
|
+};
|
|
+
|
|
/* Maximum number of requested handles */
|
|
#define GPIOHANDLES_MAX 64
|
|
|
|
@@ -501,6 +512,7 @@ struct gpioevent_data {
|
|
*/
|
|
#define GPIO_GET_CHIPINFO_IOCTL _IOR(0xB4, 0x01, struct gpiochip_info)
|
|
#define GPIO_GET_LINEINFO_UNWATCH_IOCTL _IOWR(0xB4, 0x0C, __u32)
|
|
+#define GPIO_SET_DEBOUNCE_IOCTL _IOW(0xB4, 0xA0, struct gpioline_debounce)
|
|
|
|
/*
|
|
* v2 ioctl()s
|